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学者姓名:李浩宏

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Engineering Titanium Dioxide/Titanocene-Polysulfide Interface for Flexible, Optical-Modulated, and Thermal-Tolerant Multilevel Memristor SCIE
期刊论文 | 2025 , 25 (7) , 2741-2748 | NANO LETTERS
WoS CC Cited Count: 1
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Abstract :

Multifunctional memristors with a high memory density, low power consumption, flexibility, programmability, and environmental robustness are essential for next-generation memories. In this work, a titanocene-polysulfide complex (Cp2TiS5) with strong SS interactions and hydrogen bonds was synthesized and integrated with TiO2 to create a novel Cu/TiO2/Cp2TiS5/Ag memristor. This device shows bipolar nonvolatile memory performance with a remarkable ON/OFF ratio (104.8), low switching voltages (V SET, -0.16 V; V RESET, +0.15 V), and low power consumption (2.7 x 10-4 mu W). It exhibits multilevel memory behavior, flexibility, optical modulation (V SET decreases from -1.35 to -0.17 V with decreasing irradiation wavelength), and thermal tolerance (up to 200 degrees C). The electron-rich Cp2TiS5 layer protects the Ag-CFs, while TiO2's oxygen vacancies and unsaturated Ti atoms interact with sulfur from Cp2TiS5, lowering the Schottky barrier and facilitating charge transport. This work offers promising opportunities in flexible memristive devices for neuromorphic computing under extreme conditions.

Keyword :

flexible memory flexible memory interfacial engineering interfacial engineering memristor memristor multilevel memory multilevel memory titanocene-polysulfide titanocene-polysulfide

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GB/T 7714 Zhou, Panke , Lin, Xi , Gao, Yiqun et al. Engineering Titanium Dioxide/Titanocene-Polysulfide Interface for Flexible, Optical-Modulated, and Thermal-Tolerant Multilevel Memristor [J]. | NANO LETTERS , 2025 , 25 (7) : 2741-2748 .
MLA Zhou, Panke et al. "Engineering Titanium Dioxide/Titanocene-Polysulfide Interface for Flexible, Optical-Modulated, and Thermal-Tolerant Multilevel Memristor" . | NANO LETTERS 25 . 7 (2025) : 2741-2748 .
APA Zhou, Panke , Lin, Xi , Gao, Yiqun , Lin, Xiaoli , Zeng, Tao , Li, Haohong et al. Engineering Titanium Dioxide/Titanocene-Polysulfide Interface for Flexible, Optical-Modulated, and Thermal-Tolerant Multilevel Memristor . | NANO LETTERS , 2025 , 25 (7) , 2741-2748 .
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Engineering Titanium Dioxide/Titanocene-Polysulfide Interface for Flexible, Optical-Modulated, and Thermal-Tolerant Multilevel Memristor Scopus
期刊论文 | 2025 , 25 (7) , 2741-2748 | Nano Letters
Engineering Titanium Dioxide/Titanocene-Polysulfide Interface for Flexible, Optical-Modulated, and Thermal-Tolerant Multilevel Memristor EI
期刊论文 | 2025 , 25 (7) , 2741-2748 | Nano Letters
Ternary resistive switching memory of copper-organic complex/iodocuprate/sulfur hybrid enabled by π-π interactions and S8 relaxation SCIE
期刊论文 | 2025 , 27 (10) , 1439-1445 | CRYSTENGCOMM
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Abstract :

A multi-level memristor, implemented with inexpensive precursors and well-defined mechanisms, will be significant for the development of high-density memory in the coming big data era. Sulfur, a cheap element extracted from petroleum and natural gas, holds fascinating potential for use in information memory. In this work, a three-component hybrid, [Cu(Phen)2I]2Cu2I4S8 (Phen = 1,10-phenanthroline), was synthesized. In this structure, strong pi-pi stacking interactions among Phen ligands, cuprophilic interactions in (Cu2I4)2- anions, and C-H & ctdot;I/S hydrogen bonds contributed to the formation of a quasi-3D network. A FTO/hybrid/Ag memristor was fabricated, exhibiting ternary memory performance with a high ON2/ON1/OFF current ratio (104.50/101.47/1) and a ternary yield of 68%. The memristor could operate at a high temperature of 185 degrees C. Based on the structural characteristics of the hybrid, FIB-SEM measurements on the Ag/hybrid/Ag model device, double logarithm analysis of the I-V curve, memory performance of the three individual precursors, and external voltage-dependent PXRD, its ternary resistive switching performance could be explained as follows: upon continuous external voltages, the transition OFF -> ON1 was driven by enhanced pi-pi stacking interactions among the Phen ligands, and the current jump ON1 -> ON2 resulted from the formation of a conductive S8/(Cu2I4)2- layer bearing cuprophilic interactions via S8 relaxation. This works extends the strategy of sulfur relaxation in multi-level memories from coordinated polysulfides to uncoordinated ones. The use of inexpensive precursors, combined with the distinct structure-property correlation, provides a promising avenue for implementing novel high-density memristors.

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GB/T 7714 Li, Huifang , Gao, Yiqun , Lin, Xi et al. Ternary resistive switching memory of copper-organic complex/iodocuprate/sulfur hybrid enabled by π-π interactions and S8 relaxation [J]. | CRYSTENGCOMM , 2025 , 27 (10) : 1439-1445 .
MLA Li, Huifang et al. "Ternary resistive switching memory of copper-organic complex/iodocuprate/sulfur hybrid enabled by π-π interactions and S8 relaxation" . | CRYSTENGCOMM 27 . 10 (2025) : 1439-1445 .
APA Li, Huifang , Gao, Yiqun , Lin, Xi , Li, Ke , Lin, Xiaoli , Li, Haohong et al. Ternary resistive switching memory of copper-organic complex/iodocuprate/sulfur hybrid enabled by π-π interactions and S8 relaxation . | CRYSTENGCOMM , 2025 , 27 (10) , 1439-1445 .
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Ternary resistive switching memory of copper- organic complex/iodocuprate/sulfur hybrid enabled by π-π Interactions and S8 relaxation Scopus
期刊论文 | 2025 , 27 (10) , 1439-1445 | CrystEngComm
Ternary resistive switching memory of copper-organic complex/iodocuprate/sulfur hybrid enabled by π-π interactions and S8 relaxation EI
期刊论文 | 2025 , 27 (10) , 1439-1445 | CrystEngComm
Mutual promotion of CoP/CNT/Ni2P by heterojunction structural design and intrinsic activity coupling for water splitting SCIE
期刊论文 | 2025 , 382 | FUEL
WoS CC Cited Count: 3
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Abstract :

The design of highly stable and active bifunctional catalysts for electrolytic water remains a significant challenge. In this study, self-supported CoP/CNT/Ni2P bifunctional catalysts with three-phase heterojunction nano- structures were constructed by a multi-step electrodeposition and phosphorylation strategy. X-ray diffraction analysis and transmission electron microscope showed that CoP/CNT/Ni2P was a three-phase heterojunction nanostructure, and scanning electron microscope results of CoP/CNT/Ni2P suggested the successful introduction of carbon nanotube (CNT). The X-ray photoelectron spectroscopy results indicate a shift in the elemental binding energy in CoP/CNT/Ni2P, which is believed to contribute to the electrocatalytic reaction. The incorporation of CNT enhances charge transfer within the multiphase catalyst and maximizes the exposure of catalytically active sites, achieving an increase in catalyst performance. As anticipated, the CoP/CNT/Ni2P catalyst displays high catalytic activity for both the hydrogen evolution reaction (61 mV at 10 mA cm_ 2 ) and the oxygen evolution reaction (342 mV at 100 mA cm_ 2 ), in addition to exhibiting long-term stability at a current density of 10 mA cm_ 2 over 40 h. The electrolyzer comprising CoP/CNT/Ni2P(+,_) necessitates a modest operating voltage of 1.52 V to attain 10 mA cm_ 2 during alkaline water splitting, thereby outperforming the commercial catalyst Pt/C|| IrO2 and earlier reports. This study provides guidance for the development of ultra-high activity and durability catalysts for water splitting.

Keyword :

Bifunctional electrocatalysts Bifunctional electrocatalysts CNT CNT Hydrogen evolution reaction Hydrogen evolution reaction Overall water splitting Overall water splitting

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GB/T 7714 Yu, Guo , Zhao, Jiaxiang , Hou, Songjia et al. Mutual promotion of CoP/CNT/Ni2P by heterojunction structural design and intrinsic activity coupling for water splitting [J]. | FUEL , 2025 , 382 .
MLA Yu, Guo et al. "Mutual promotion of CoP/CNT/Ni2P by heterojunction structural design and intrinsic activity coupling for water splitting" . | FUEL 382 (2025) .
APA Yu, Guo , Zhao, Jiaxiang , Hou, Songjia , Han, Haoyang , Zhou, Qing , Yan, Zuoyi et al. Mutual promotion of CoP/CNT/Ni2P by heterojunction structural design and intrinsic activity coupling for water splitting . | FUEL , 2025 , 382 .
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Mutual promotion of CoP/CNT/Ni2P by heterojunction structural design and intrinsic activity coupling for water splitting Scopus
期刊论文 | 2025 , 382 | Fuel
Mutual promotion of CoP/CNT/Ni2P by heterojunction structural design and intrinsic activity coupling for water splitting EI
期刊论文 | 2025 , 382 | Fuel
Breaking separation bottleneck in sucralose production: Clarifying the obscure mechanism and pre-embedding second solvents for highly selective separation of chlorinated product SCIE
期刊论文 | 2025 , 504 | CHEMICAL ENGINEERING JOURNAL
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Abstract :

In the burgeoning sucralose (TGS) production, the separation bottleneck has hindered its further technology upgrading. In this work, the crystal structural of sucrose-6-acetate chlorination product 4,1 ',6 '-trichlorosucrose-6- acetate hydrate (TSA-6.2H2O) from multi-step recrystallization has been determined, thus the bad separation efficiency of the chlorination process was assigned to the easy incorporation of by-products into the cavities or local defects of the respirable TSA-6.2H2O network. Based on this mechanism, the second cheap organic solvents have been pre-embedded into TSA-6.2H2O to generate stable ternary solvates, i. e. TSA-6.H2Osecond solvent (second solvent = DMF (N,N'-dimethylformamide), DMAc (N, N'-dimethylacetamide), and NMP (N-methyl-2pyrrolidone)). Their cellular-type compacted arrangements were constructed from strong hydrogen bonding interactions between H2O.second solvent guests and TSA-6 networks. Consequently, the free space or local defects for the encapsulation of impurities could be inhibited completely. Upon the optimization of the crystallized process (H2O: NMP = 7: 3, solvent: TSA-6 = 12: 1, operating temperature: 288.2 K), high TSA-6 purity (99.74 % wt) and low sum of alpha x (0.023) can be achieved. Furthermore, under the guidance of ternary phase diagrams (TPD), the second solvents could be facilely removed by modulating the H2O/second solvent ratio (TSA-6 purity: 99.91 % wt in 0.5 h). In all, the clarification on the obscure mechanism and the strategy of pre-embedding second solvents have broken the separation bottleneck in TGS production, which can also be applied in other relative glycosyl halides industries.

Keyword :

1 ' 1 ' 6 ' -trichlorosucrose-6-acetate 6 ' -trichlorosucrose-6-acetate Hydrogen bond framework Hydrogen bond framework Selective separation by solvation-induced Selective separation by solvation-induced Separation mechanism Separation mechanism Ternary phase diagrams Ternary phase diagrams

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GB/T 7714 Chen, Xiaoping , Lei, Jiayan , Lv, Zhoulin et al. Breaking separation bottleneck in sucralose production: Clarifying the obscure mechanism and pre-embedding second solvents for highly selective separation of chlorinated product [J]. | CHEMICAL ENGINEERING JOURNAL , 2025 , 504 .
MLA Chen, Xiaoping et al. "Breaking separation bottleneck in sucralose production: Clarifying the obscure mechanism and pre-embedding second solvents for highly selective separation of chlorinated product" . | CHEMICAL ENGINEERING JOURNAL 504 (2025) .
APA Chen, Xiaoping , Lei, Jiayan , Lv, Zhoulin , Chen, Zi'ang , Lin, Shitong , Guo, Zhenming et al. Breaking separation bottleneck in sucralose production: Clarifying the obscure mechanism and pre-embedding second solvents for highly selective separation of chlorinated product . | CHEMICAL ENGINEERING JOURNAL , 2025 , 504 .
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Breaking separation bottleneck in sucralose production: Clarifying the obscure mechanism and pre-embedding second solvents for highly selective separation of chlorinated product Scopus
期刊论文 | 2025 , 504 | Chemical Engineering Journal
Breaking separation bottleneck in sucralose production: Clarifying the obscure mechanism and pre-embedding second solvents for highly selective separation of chlorinated product EI
期刊论文 | 2025 , 504 | Chemical Engineering Journal
Antimicrobial activity and applications in PMMA of a novel benzpyrole derivant/iodocuprate hybrid (TMBI)2(Cu2I4) SCIE
期刊论文 | 2025 , 156 | BIOORGANIC CHEMISTRY
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Abstract :

Among individuals who wear removable dentures, there is a significant likelihood, reaching up to 70 %, of experiencing a condition known as denture-induced stomatitis. To address this issue, a commonly used method involves soaking dentures in denture cleansers to eliminate microorganisms. However, the prolonged use of this cleaning method has resulted in the emergence of drug resistance. Composite antibacterial nanomaterials possess excellent chemical, physical, and antibacterial properties, not only allowing the individual components to function but sometimes also leading to synergistic effects that enhance antibacterial performance. In this study, we have successfully synthesized a new benzpyrole derivant/iodocuprate bio-nanomaterial, (TMBI)2(Cu2I4) (TMBI = 1,1,2,3-Tetramethyl-1H-benzo[e]indolium cation), that demonstrates remarkable resistance to Candida albicans, Streptococcus mutans, and dental plaque biofilm. It can effectively clean the surfaces of denture bases by removing Candida albicans, Streptococcus mutans, and dental plaque biofilm. Prolonged immersion in this material does not significantly affect the common mechanical properties of polymethyl methacrylate (PMMA) denture bases. At effective antibacterial concentrations, this nanomaterial (TMBI)2(Cu2I4) demonstrates no residual cytotoxicity on PMMA denture bases after immersion and maintains excellent hemocompatibility. These findings indicate that (TMBI)2(Cu2I4) has the potential to be a promising denture cleanser.

Keyword :

Benzpyrole/iodocuprate hybrid Benzpyrole/iodocuprate hybrid Candida albicans Candida albicans Dental plaque Dental plaque Denture cleaner Denture cleaner Mechanical properties Mechanical properties PMMA PMMA Streptococcus mutans Streptococcus mutans

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GB/T 7714 Ruan, Chenglu , Huang, Xuanhao , Li, Ke et al. Antimicrobial activity and applications in PMMA of a novel benzpyrole derivant/iodocuprate hybrid (TMBI)2(Cu2I4) [J]. | BIOORGANIC CHEMISTRY , 2025 , 156 .
MLA Ruan, Chenglu et al. "Antimicrobial activity and applications in PMMA of a novel benzpyrole derivant/iodocuprate hybrid (TMBI)2(Cu2I4)" . | BIOORGANIC CHEMISTRY 156 (2025) .
APA Ruan, Chenglu , Huang, Xuanhao , Li, Ke , Fang, Lijuan , Li, Haohong , Zheng, Dali et al. Antimicrobial activity and applications in PMMA of a novel benzpyrole derivant/iodocuprate hybrid (TMBI)2(Cu2I4) . | BIOORGANIC CHEMISTRY , 2025 , 156 .
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Antimicrobial activity and applications in PMMA of a novel benzpyrole derivant/iodocuprate hybrid (TMBI)2(Cu2I4) Scopus
期刊论文 | 2025 , 156 | Bioorganic Chemistry
Enhanced mixing characteristics of unbaffled U-shaped microreactor coupled oscillatory flow SCIE
期刊论文 | 2024 , 205 | CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION
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Abstract :

The Microscale Oscillatory Flow Reactor (MOFR) can achieve good plug flow and micromixing performance simultaneously at laminar net flow conditions. An unbaffled U-shaped microreactor coupled with oscillating flow technology was designed to study the macro and micromixing performance. Firstly, the influence of oscillations on the flow performance was studied to reveal the formation rule of vortex. The simulation results showed that the continuous formation and destruction of periodic vortexes occurred in the microreactor with oscillation. With the increase of oscillation intensity, the vortex size in the radial direction first gradually increased and then becomes stable, and gradually moved axially, resulting in axial diffusion. Secondly, the effect of oscillation on the macromixing and micromixing performance were investigated. The results showed that the coupling oscillation could greatly improve the macromixing and micromixing performance. The macromixing and micromixing performance were promoted simultaneously at lower oscillation intensity and then tended to be flat due to the axial diffusion at high oscillation intensity. When phi>6.05, the minimum micromixing time and the maximum number of tanks can be achieved at the same time. At a velocity ratio of about 23, FoM reached a maximum of about 3.5.

Keyword :

CFD CFD Macromixing Macromixing Micromixing Micromixing MOFR MOFR Vortex Vortex

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GB/T 7714 Yu, Liping , Zheng, Meiqin , Wang, Jiawei et al. Enhanced mixing characteristics of unbaffled U-shaped microreactor coupled oscillatory flow [J]. | CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION , 2024 , 205 .
MLA Yu, Liping et al. "Enhanced mixing characteristics of unbaffled U-shaped microreactor coupled oscillatory flow" . | CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION 205 (2024) .
APA Yu, Liping , Zheng, Meiqin , Wang, Jiawei , Yan, Zuoyi , Yao, Wei , Li, Haohong et al. Enhanced mixing characteristics of unbaffled U-shaped microreactor coupled oscillatory flow . | CHEMICAL ENGINEERING AND PROCESSING-PROCESS INTENSIFICATION , 2024 , 205 .
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Enhanced mixing characteristics of unbaffled U-shaped microreactor coupled oscillatory flow EI
期刊论文 | 2024 , 205 | Chemical Engineering and Processing - Process Intensification
Enhanced mixing characteristics of unbaffled U-shaped microreactor coupled oscillatory flow Scopus
期刊论文 | 2024 , 205 | Chemical Engineering and Processing - Process Intensification
Anti-Microbial Effect of AgBr-NP@CTMAB on Streptococcus Mutans and Assessment of Surface Roughness Hardness and Flexural Strength of PMMA SCIE
期刊论文 | 2024 , 19 , 1273-1285 | INTERNATIONAL JOURNAL OF NANOMEDICINE
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Abstract :

Purpose: To investigate the inhibition of Streptococcus mutans (S.mutans) and its biofilm by AgBr-nanoparticles (NP) @CTMAB (cetyltrimethyl-ammonium bromide) and evaluate the changes in Polymethyl methacrylate (PMMA)'s surface roughness (Ra), microhardness, and flexural strength during prolonged immersion in AgBr-NP@CTMAB for application in the denture cleaning industry. Patients and Methods: The antibacterial activity of AgBr-NP@CTMAB against S.mutans was measured colony formation assay, OD600 and laser confocal microscopy. Changes in the specimens' values for surface roughness, microhardness, and flexural strength (MPa) were measured after immersion solutions for 180 or 360 days. Results: The AgBr-NP@CTMAB solution exhibited a robust antibacterial effect on planktonic S. mutans, with a minimum bactericidal concentration of 5 mu g/mL. The 10 mu g/mL AgBr-NP@CTMAB solution efficiently inhibited S. mutans biofilm formation. (2) No significant difference in surface roughness after immersion in AgBr-NP@CTMAB (10 mu g/mL and 20 mu g/mL) comparing with distilled water (P > 0.05) and Polident had significantly higher than distilled water (P < 0.05). There was a significant decrease in the surface hardness of the PMMA specimens that were immersed in the Polident compared with those in distilled water (P < 0.05). While, no significant differences in surface hardness after immersion in the AgBr-NP@CTMAB (P > 0.05). The result of flexural strength suggested that there was no statistically significant difference (P < 0.05) between AgBr-NP@CTMAB as well as Polident and water. Conclusion: AgBrNP@CTMAB can efficiently inhibit the growth of plankton S.mutans and biofilm formation, without affecting the flexural strength, microhardness, or surface roughness of PMMA. Therefore, AgBrNP@CTMAB holds promise as a new denture cleaning agent.

Keyword :

AgBr-NP@CTMAB AgBr-NP@CTMAB biofilm biofilm denture cleanser denture cleanser polymethyl methacrylate polymethyl methacrylate S.mutans S.mutans

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GB/T 7714 Huang, Jing-Jing , Jia, Lin , Zhang, Qiao-Jun et al. Anti-Microbial Effect of AgBr-NP@CTMAB on Streptococcus Mutans and Assessment of Surface Roughness Hardness and Flexural Strength of PMMA [J]. | INTERNATIONAL JOURNAL OF NANOMEDICINE , 2024 , 19 : 1273-1285 .
MLA Huang, Jing-Jing et al. "Anti-Microbial Effect of AgBr-NP@CTMAB on Streptococcus Mutans and Assessment of Surface Roughness Hardness and Flexural Strength of PMMA" . | INTERNATIONAL JOURNAL OF NANOMEDICINE 19 (2024) : 1273-1285 .
APA Huang, Jing-Jing , Jia, Lin , Zhang, Qiao-Jun , Li, Hao-Hong , Zheng, Da-Li , Zheng, Ming . Anti-Microbial Effect of AgBr-NP@CTMAB on Streptococcus Mutans and Assessment of Surface Roughness Hardness and Flexural Strength of PMMA . | INTERNATIONAL JOURNAL OF NANOMEDICINE , 2024 , 19 , 1273-1285 .
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Anti-Microbial Effect of AgBr-NP@CTMAB on Streptococcus Mutans and Assessment of Surface Roughness Hardness and Flexural Strength of PMMA Scopus
期刊论文 | 2024 , 19 , 1273-1285 | International Journal of Nanomedicine
Role of Molecular Packing in Solvent-Mediated Ellagic AcidPhenazine Co-Crystals Toward Biological Activity Enhancement and Rational Drug Design SCIE
期刊论文 | 2024 , 24 (21) , 8829-8837 | CRYSTAL GROWTH & DESIGN
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Ellagic acid (EA), a biologically active polyphenol abundant in various natural plants, has been widely applied in diverse pharmacological systems. This study investigates cocrystals formed by EA with common pharmaceutical intermediates, yielding crucial insights into their atomic-level biological performance. Three novel cocrystals of EAPhenazine were synthesized in different solvents (cocrystal 1: EAPhenazine; cocrystal 2: EAPhenazine2MeOH; cocrystal 3: EAPhenazine2H(2)O). In addition, their structures are characterized using single-crystal X-ray diffraction. Co-crystal 1 without lattice solvent and cocrystal 3 containing lattice H2O, exhibited intriguing EA-EA and phenazine-phenazine pi-pi stacking interactions. Conversely, cocrystal 2 bearing methanol can illustrate robust interligand EA/phenazine pi-pi stacking interactions. Thus, cocrystal 2 displayed a wider absorption range and a more negative oxidation potential, indicative of enhanced functional performance. The superior properties of cocrystal 2 were attributed to the lower energy level of the lowest unoccupied molecular orbital, particularly the p-pi* antibonding orbitals of phenazine, owing to the potent pi-pi interactions, as unveiled by theoretical calculations. In summary, the presence of interligand interactions emerges as a pivotal factor in augmenting the biological activities of cocrystals, with the extent of enhancement contingent on specific packing modes. This structure-property relationship allows a profound understanding of the polymorphism observed in drug molecules.

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GB/T 7714 Chen, Jianghu , Qiu, Chunhua , Li, Haohong et al. Role of Molecular Packing in Solvent-Mediated Ellagic AcidPhenazine Co-Crystals Toward Biological Activity Enhancement and Rational Drug Design [J]. | CRYSTAL GROWTH & DESIGN , 2024 , 24 (21) : 8829-8837 .
MLA Chen, Jianghu et al. "Role of Molecular Packing in Solvent-Mediated Ellagic AcidPhenazine Co-Crystals Toward Biological Activity Enhancement and Rational Drug Design" . | CRYSTAL GROWTH & DESIGN 24 . 21 (2024) : 8829-8837 .
APA Chen, Jianghu , Qiu, Chunhua , Li, Haohong , Zheng, Xiaochun . Role of Molecular Packing in Solvent-Mediated Ellagic AcidPhenazine Co-Crystals Toward Biological Activity Enhancement and Rational Drug Design . | CRYSTAL GROWTH & DESIGN , 2024 , 24 (21) , 8829-8837 .
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Role of Molecular Packing in Solvent-Mediated Ellagic Acid·Phenazine Co-Crystals Toward Biological Activity Enhancement and Rational Drug Design EI
期刊论文 | 2024 , 24 (21) , 8829-8837 | Crystal Growth and Design
Role of Molecular Packing in Solvent-Mediated Ellagic Acid·Phenazine Co-Crystals Toward Biological Activity Enhancement and Rational Drug Design Scopus
期刊论文 | 2024 , 24 (21) , 8829-8837 | Crystal Growth and Design
Membrane-free sequential paired electrosynthesis of 1,4-hydroquinone from phenol over a self-supported electrocatalytic electrode
期刊论文 | 2024 | INDUSTRIAL CHEMISTRY & MATERIALS
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Sequential paired electrosynthesis capable of the production of organic chemicals through a series of electrochemical reactions that occur consecutively and in pairs are of high significance. Herein, a three-dimensional porous carbon felt-loaded PbO2 electrode (PbO2/CF) with a self-supported nanostructure was fabricated using a double-cathode electrodeposition method, which served as an efficient electrocatalyst enabling the unique sequential paired electrosynthesis of 1,4-hydroquinone (1,4-HQ) from phenol in a membrane-free electrolytic cell. In such an exotic paired electrolysis system, phenol is first oxidized to p-benzoquinone at the anode, which is subsequently reduced to 1,4-HQ at the cathode. The as-obtained PbO2/CF electrode exhibited a remarkable electrochemical performance, achieving impressive conversion and selectivity of 94.5% and 72.1%, respectively, for the conversion of phenol to 1,4-HQ. This exceptional performance can be attributed to the open porous self-supported structure of the PbO2/CF electrode, which improves the active site exposure and substrate adsorption capability and reduces mass and charge transfer resistance. Furthermore, the catalyst electrode well maintained its structure integrity even after 140 hours of long-term use, further highlighting its promising application for the electrosynthesis of 1,4-HQ. Moreover, this sequential paired electrosynthesis strategy can be further extended to other substrates with electron-withdrawing/donating groups over the PbO2/CF electrode. The proof of concept in this innovative sequential paired electrosynthesis could provide a sustainable and efficient way to produce various desired organic compounds.Keywords: Phenol; 1,4-Hydroquinone; Electrocatalysis; Sequential paired electrosynthesis; Self-supported electrodes.

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GB/T 7714 Zhang, Wei-Ling , Li, Ya-Jing , He, Yingchun et al. Membrane-free sequential paired electrosynthesis of 1,4-hydroquinone from phenol over a self-supported electrocatalytic electrode [J]. | INDUSTRIAL CHEMISTRY & MATERIALS , 2024 .
MLA Zhang, Wei-Ling et al. "Membrane-free sequential paired electrosynthesis of 1,4-hydroquinone from phenol over a self-supported electrocatalytic electrode" . | INDUSTRIAL CHEMISTRY & MATERIALS (2024) .
APA Zhang, Wei-Ling , Li, Ya-Jing , He, Yingchun , Zhang, Shao , Li, Haohong , Zheng, Huidong et al. Membrane-free sequential paired electrosynthesis of 1,4-hydroquinone from phenol over a self-supported electrocatalytic electrode . | INDUSTRIAL CHEMISTRY & MATERIALS , 2024 .
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Graphene derivant@chitosan composite-based biomemorizers: The effect of functional groups on the resistive switching performances and their thermal/irradiative stabilities SCIE
期刊论文 | 2024 , 146 | DIAMOND AND RELATED MATERIALS
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Abstract :

In the field of biomemorizers, the simultaneous enhancement of resistive switching (RS) performance and environmental robustness, and the understanding the RS mechanism involving interfacial interaction is still challengeable. Herein, the bio-composites by encapsulating graphene (GR), graphene oxide (GO) and reduced graphene oxide (RGO) into chitosan (CS) have been fabricated as memory devices with the structure of FTO/biocomposite/Ag. Among them, FTO/GO@CS(12 %)/Ag biomemorizer exhibits the best RS performance with high ON/OFF ratio (10 5.92 ), and it possesses good thermal (170 degrees C) and irradiation stabilities (UV exposure for 96 h). The RS mechanism is due to the migration of oxygen vacancies accompanied by formation of Ag conducting filaments in the bio-composite films. Therefore, the enhanced resistive switching performance after encapsulating into CS can be explained as the increment of defects, the higher current densities and quenched radicals. Specially, for the first time we find the presence of voltage -induced packing mode changes in GO@CS composite, which can facilitate the migration of oxygen vacancies and render its best RS performance. In all, the more carboxyl groups can strengthen the GO -CS interfacial interactions through the formation of stable hydrogen bonding network and covalent bonds, which can enhance the stabilities and makes the composites be more sensitive to electrical stimulus. The rules drawn in this work will be significant for the construction of new biomemorizers with good environmental robustness.

Keyword :

Biomemorizer Biomemorizer Chitosan Chitosan Environmental robustness Environmental robustness Graphene derivant Graphene derivant Resistive switching mechanism Resistive switching mechanism

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GB/T 7714 Zheng, Mei -Qin , Yi, Hong -Mei , Yu, Guo et al. Graphene derivant@chitosan composite-based biomemorizers: The effect of functional groups on the resistive switching performances and their thermal/irradiative stabilities [J]. | DIAMOND AND RELATED MATERIALS , 2024 , 146 .
MLA Zheng, Mei -Qin et al. "Graphene derivant@chitosan composite-based biomemorizers: The effect of functional groups on the resistive switching performances and their thermal/irradiative stabilities" . | DIAMOND AND RELATED MATERIALS 146 (2024) .
APA Zheng, Mei -Qin , Yi, Hong -Mei , Yu, Guo , Wang, Jia-Wei , Lv, Zhou -Lin , Li, Hui -Fang et al. Graphene derivant@chitosan composite-based biomemorizers: The effect of functional groups on the resistive switching performances and their thermal/irradiative stabilities . | DIAMOND AND RELATED MATERIALS , 2024 , 146 .
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Graphene derivant@chitosan composite-based biomemorizers: The effect of functional groups on the resistive switching performances and their thermal/irradiative stabilities EI
期刊论文 | 2024 , 146 | Diamond and Related Materials
Graphene derivant@chitosan composite-based biomemorizers: The effect of functional groups on the resistive switching performances and their thermal/irradiative stabilities Scopus
期刊论文 | 2024 , 146 | Diamond and Related Materials
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