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学者姓名:李浩宏

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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
Elevation from Binary to Ternary Resistive Switching Behaviors by Graphitizing Transformation from Nanodiamond to Onion-like Carbon in Their Chitosan Composites SCIE
期刊论文 | 2025 , 16 (29) , 7322-7330 | JOURNAL OF PHYSICAL CHEMISTRY LETTERS
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The development of green high-density memristors is urgent for the coming big-data era. In this work, the graphitization degree of the nanodiamond (ND) was modulated by thermal annealing at different temperatures. Consequently, the graphitizing transformation from the ND structure to partial onion-like carbon (OLC-1) and complete OLC-2 was achieved, which has been validated by increased sp2/sp3 ratios and carbonyl contents. Furthermore, these carbon materials were encapsulated into chitosan (CS) to prepare ND or OLCs@CS biocomposites, which were further fabricated as memory devices. For ND-based memristors, only binary resistive switching (RS) behavior was detected, and the doping amount of 16% OLC-1 into CS resulted in ternary RS performance (ON1/OFF ratio of 3.12 x 104, ON2/OFF ratio of 1.38 x 106, and V Set1 and V Set2 of 0.89 and 1.58 V, respectively). Comparably, for OLC-2, only a 4% doping concentration presented excellent ternary RS performance, and the optimal RS parameters were achieved at a doping concentration of 12% (ON1/OFF ratio of 4.20 x 104, ON2/OFF ratio of 2.46 x 106, V Set1 and V Set2 of 0.70 and 1.97 V, respectively, and ternary yield of 62%). RS mechanisms have been explained as follows. In OLC-2, the disappearance of hydroxyl/carboxyl and the higher carbonyl content rendered weaker O-H center dot center dot center dot O=C hydrogen bonds, which facilitated the trap filling limiting (TFL) process. The larger conjugated degree of quasi-spherical graphitic layers enhanced the charge trapping capacity in the space charge limiting conduction (SCLC) process. The modulation rules of carbon materials will provide a theoretical guide for the construction of new green high-density memristors.

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GB/T 7714 Ren, Gengbiao , Zhu, Liang , Liang, Junwei et al. Elevation from Binary to Ternary Resistive Switching Behaviors by Graphitizing Transformation from Nanodiamond to Onion-like Carbon in Their Chitosan Composites [J]. | JOURNAL OF PHYSICAL CHEMISTRY LETTERS , 2025 , 16 (29) : 7322-7330 .
MLA Ren, Gengbiao et al. "Elevation from Binary to Ternary Resistive Switching Behaviors by Graphitizing Transformation from Nanodiamond to Onion-like Carbon in Their Chitosan Composites" . | JOURNAL OF PHYSICAL CHEMISTRY LETTERS 16 . 29 (2025) : 7322-7330 .
APA Ren, Gengbiao , Zhu, Liang , Liang, Junwei , Yi, Hongmei , Liu, Yuanzheng , Chen, Jingjing et al. Elevation from Binary to Ternary Resistive Switching Behaviors by Graphitizing Transformation from Nanodiamond to Onion-like Carbon in Their Chitosan Composites . | JOURNAL OF PHYSICAL CHEMISTRY LETTERS , 2025 , 16 (29) , 7322-7330 .
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Elevation from Binary to Ternary Resistive Switching Behaviors by Graphitizing Transformation from Nanodiamond to Onion-like Carbon in Their Chitosan Composites Scopus
期刊论文 | 2025 , 7322-7330 | Journal of Physical Chemistry Letters
Photoluminescence Properties and Stable Bipolar Resistive Switching Behavior of Two Eu(III)-Doped Hexameric Selenotungstates SCIE
期刊论文 | 2025 | INORGANIC CHEMISTRY
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Abstract :

Due to their structural versatility, selenotungstates have emerged as a prominent research focus in polyoxometalate (POT) chemistry. Two Eu(III)-doped hexameric selenotungstates with distinct architectures were synthesized via a one-pot synthetic strategy. Detailed structural investigations were prompted by their remarkable photoluminescence lifetimes of 759.8 mu s (1) and 722.8 mu s (2), significantly surpassing those of most reported Eu(III)-doped polyoxotungstates. Comparative analysis with literature precedents revealed a strong correlation between the luminescent behavior and the coordination environment of the Eu(III) centers. Furthermore, the compounds exhibited exceptional resistive switching performance at ambient conditions, with switching ratios of 1.03 x 103 (1) and 3.67 x 103 (2) that exceed most reported values for oligomeric POT-based systems. This work systematically investigates the structure-property relationships among molecular architectures, luminescent characteristics, and resistive switching behavior, providing experimental evidence for the design of new luminescent materials and molecular storage devices.

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GB/T 7714 Mi, Wen-Jun , Zhou, Xue-Ru , Ke, Guang-Qu et al. Photoluminescence Properties and Stable Bipolar Resistive Switching Behavior of Two Eu(III)-Doped Hexameric Selenotungstates [J]. | INORGANIC CHEMISTRY , 2025 .
MLA Mi, Wen-Jun et al. "Photoluminescence Properties and Stable Bipolar Resistive Switching Behavior of Two Eu(III)-Doped Hexameric Selenotungstates" . | INORGANIC CHEMISTRY (2025) .
APA Mi, Wen-Jun , Zhou, Xue-Ru , Ke, Guang-Qu , Chen, Yi-Ping , Li, Hao-Hong . Photoluminescence Properties and Stable Bipolar Resistive Switching Behavior of Two Eu(III)-Doped Hexameric Selenotungstates . | INORGANIC CHEMISTRY , 2025 .
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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
Enhancing the performance of polyoxometalate-based memristors in harsh environments based on hydrogen bonding and cooperative π-conjugation interactions SCIE
期刊论文 | 2025 , 12 (8) , 3186-3195 | INORGANIC CHEMISTRY FRONTIERS
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Abstract :

Polyoxometalates (POMs), as a class of structurally well-defined compounds with excellent charge trapping and releasing capabilities, are ideal candidates for high-performance memory devices. However, their performance optimization in conventional environments remains limited. Here, three water-soluble organic-inorganic hybridized POM-based nonvolatile memory devices are proposed. Pure inorganic vanadoborates clusters are assembled with organic ligands by electrostatic and covalent interactions. This approach modulates the hydrophilicity and stability of the resulting compounds. Structural analysis and two-dimensional correlation infrared (2D-COS-IR) spectroscopy reveal that hydrogen bonding and pi-conjugation interactions may influence the performance of POM-based memristors. The resistive switching (RS) mechanism could be controlled by the synergistic effect of space-charge-limited current and oxygen vacancies. Notably, FTO/VB3/Ag, modified with hydrogen bonding and constructed with Li+, exhibits rewritable RS behavior and a high ON/OFF current ratio of 2.62 x 104, even at 270 degrees C and various harsh environments. Additionally, this study represents the first example of using 2D-COS-IR to investigate the dynamic evolution of weak intermolecular interactions within the device during heating, and elucidating the mechanisms that memristors enable stable operation at high temperatures. This work explores the relationship between the structure and RS performance of the material, proposes a method for designing and enhancing memristor performance at the molecular level, and offers a theoretical foundation for the development of high-performance memory devices for extreme environments.

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GB/T 7714 Meng, Ming-Ze , Gao, Yi-Qun , Chen, Yi-Ping et al. Enhancing the performance of polyoxometalate-based memristors in harsh environments based on hydrogen bonding and cooperative π-conjugation interactions [J]. | INORGANIC CHEMISTRY FRONTIERS , 2025 , 12 (8) : 3186-3195 .
MLA Meng, Ming-Ze et al. "Enhancing the performance of polyoxometalate-based memristors in harsh environments based on hydrogen bonding and cooperative π-conjugation interactions" . | INORGANIC CHEMISTRY FRONTIERS 12 . 8 (2025) : 3186-3195 .
APA Meng, Ming-Ze , Gao, Yi-Qun , Chen, Yi-Ping , Li, Hao-Hong , Huang, Xiao-Hui . Enhancing the performance of polyoxometalate-based memristors in harsh environments based on hydrogen bonding and cooperative π-conjugation interactions . | INORGANIC CHEMISTRY FRONTIERS , 2025 , 12 (8) , 3186-3195 .
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Enhancing the performance of polyoxometalate-based memristors in harsh environments based on hydrogen bonding and cooperative π-conjugation interactions Scopus
期刊论文 | 2025 , 12 (8) , 3186-3195 | Inorganic Chemistry Frontiers
Enhancing the performance of polyoxometalate-based memristors in harsh environments based on hydrogen bonding and cooperative π-conjugation interactions EI
期刊论文 | 2025 , 12 (8) , 3186-3195 | Inorganic Chemistry Frontiers
Enhancing the performance of polyoxometalate-based memristors in harsh environments based on hydrogen bonding and cooperative π-conjugation interactions Scopus
期刊论文 | 2025 , 12 (8) , 3186-3195 | Inorganic Chemistry Frontiers
Optimization of the synthesis of Bis(fluorosulfonyl)imide triethylamine and mechanistic clarification through capturing the SuFEx intermediate SCIE
期刊论文 | 2025 , 45 | MATERIALS TODAY CHEMISTRY
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Abstract :

Bis(fluorosulfonyl)imide triethylamine salt (FSI-HNEt3) is a crucial intermediate for the synthesis of next-generation electrolyte lithium bis(fluorosulfonyl)imide (LiFSI). The NH3-SO2F2-NEt3 route represents a promising approach for LiFSI production but faces challenges, including low efficiency and obscure reaction mechanisms. In this study, we optimize the synthesis of FSI-HNEt3 using NH3-SO2F2-NEt3 route and propose a new process. By capturing the sulfur-fluorine exchange (SuFEx) reaction intermediate with a novel molecular sieve-based method, we clarify the reaction mechanism with direct evidence. The primary mechanism involves a two-step SuFEx process, and we establish the complete pathways for both main and side reactions. Our study further reveals that hydrolysis and self-polymerization reactions during synthesis significantly reduce the yield of FSI-HNEt3. Density functional theory (DFT) calculations demonstrate how triethylamine (NEt3) enhances the nucleophilicity of reactants, confirming the two-step SuFEx mechanism and providing insights into the overall reaction system. These findings offer valuable guidance for the safe and efficient synthesis of FSI-HNEt3.

Keyword :

DFT calculations DFT calculations FSI-HNEt3 FSI-HNEt3 Nucleophilicity Nucleophilicity Reaction mechanism Reaction mechanism SuFEx process SuFEx process

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GB/T 7714 Xia, Chengxuan , Wang, Shang , Ren, Fengjiao et al. Optimization of the synthesis of Bis(fluorosulfonyl)imide triethylamine and mechanistic clarification through capturing the SuFEx intermediate [J]. | MATERIALS TODAY CHEMISTRY , 2025 , 45 .
MLA Xia, Chengxuan et al. "Optimization of the synthesis of Bis(fluorosulfonyl)imide triethylamine and mechanistic clarification through capturing the SuFEx intermediate" . | MATERIALS TODAY CHEMISTRY 45 (2025) .
APA Xia, Chengxuan , Wang, Shang , Ren, Fengjiao , Zhou, Shouquan , Zhang, Siyu , Wu, Bin et al. Optimization of the synthesis of Bis(fluorosulfonyl)imide triethylamine and mechanistic clarification through capturing the SuFEx intermediate . | MATERIALS TODAY CHEMISTRY , 2025 , 45 .
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Optimization of the synthesis of Bis(fluorosulfonyl)imide triethylamine and mechanistic clarification through capturing the SuFEx intermediate Scopus
期刊论文 | 2025 , 45 | Materials Today Chemistry
Optimization of the synthesis of Bis(fluorosulfonyl)imide triethylamine and mechanistic clarification through capturing the SuFEx intermediate EI
期刊论文 | 2025 , 45 | Materials Today Chemistry
Intermittent ultrasound-assisted anti-solvent crystallization for sucralose production with ultra-low aspect ratio and larger crystal size SCIE
期刊论文 | 2025 , 27 (21) , 3492-3501 | CRYSTENGCOMM
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Abstract :

The simultaneous achievements of lower aspect ratio and larger crystal size is urgent for the production of high-quality sucralose. In this work, non-toxic ethanol-based anti-solvent crystallization (ASC) of sucralose was conducted, during which carboxylic acids bearing different alkyl lengths (isovaleric acid (IVA), hexanoic acid (HNA), octanoic acid (ONA), decanoic acid (DNA)) were used as anti-solvents. The longer alkyl lengths of carboxylic acids can render higher sucralose yield because the better flexibility can provide larger free void spaces with facilitation of emulsion shrinking, resulting in higher crystallization ratio and rate. Also, the ASC conditions have been optimized, based on which low aspect ratio (1.5585) and small particle size (15.755 mu m) can be obtained using ONA as an anti-solvent. Based on single-crystal structure analysis, the ONA-treated product bearing relatively weaker O-H & ctdot;O/C-H & ctdot;Cl hydrogen bonds was adopted for further ultrasound-assisted ASC process. Interestingly, upon the intermittent sonication mode, the sucralose product with ultra-low aspect ratio (1.244) and larger crystal size (42.722 mu m) can be obtained, which is attributed to the relatively stronger sp3-C-H & ctdot;Cl0 hydrogen bonds on the {011} face than O-H & ctdot;O bonds on the {101}/{110} faces. This work will provide a theoretical guide for the production of high-quality sucralose.

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GB/T 7714 Zhou, Dongyu , Li, Yongshang , Jie, Huimin et al. Intermittent ultrasound-assisted anti-solvent crystallization for sucralose production with ultra-low aspect ratio and larger crystal size [J]. | CRYSTENGCOMM , 2025 , 27 (21) : 3492-3501 .
MLA Zhou, Dongyu et al. "Intermittent ultrasound-assisted anti-solvent crystallization for sucralose production with ultra-low aspect ratio and larger crystal size" . | CRYSTENGCOMM 27 . 21 (2025) : 3492-3501 .
APA Zhou, Dongyu , Li, Yongshang , Jie, Huimin , Lei, Jiayan , Chen, Zi'ang , Chen, Xiaoping et al. Intermittent ultrasound-assisted anti-solvent crystallization for sucralose production with ultra-low aspect ratio and larger crystal size . | CRYSTENGCOMM , 2025 , 27 (21) , 3492-3501 .
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Intermittent ultrasound-assisted anti-solvent crystallization for sucralose production with ultra-low aspect ratio and larger crystal size Scopus
期刊论文 | 2025 , 27 (21) , 3492-3501 | CrystEngComm
Intermittent ultrasound-assisted anti-solvent crystallization for sucralose production with ultra-low aspect ratio and larger crystal size EI
期刊论文 | 2025 , 27 (21) , 3492-3501 | CrystEngComm
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
WoS CC Cited Count: 2
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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
Spherical micro-heterostructured Bi2MoO6/Mo-Bi2O3 with interfacial oxygen vacancies enabling efficient photocatalytic NH3 production from N2 and H2O SCIE
期刊论文 | 2025 , 15 (18) , 5480-5490 | CATALYSIS SCIENCE & TECHNOLOGY
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Photocatalytic nitrogen fixation under mild conditions remains an open challenge due to the low carrier separation efficiency and discrete active sites of conventional photocatalysts. Defect engineering and heterojunctions have emerged as effective strategies to address these issues by enhancing charge carrier mobility and increasing the number of active sites for nitrogen activation. In this study, spherical Bi2MoO6/Mo-Bi2O3 composite photocatalysts with different Mo/Bi ratios are reported to be photocatalytically active for ammonia synthesis from N2 and H2O under full-spectrum light. Bi2MoO6/Mo-Bi2O3 with a Mo/Bi ratio of 24/100 shows the highest activity, with an ammonia production rate as high as 141.93 mu mol g-1 h-1. This high photocatalytic activity is attributed to the formation of a micro-heterojunction of Bi2MoO6 on Mo-doped Bi2O3 and the presence of oxygen vacancies (Ov) at the interfacial surface between two phases. The Ov enhances the adsorption and activation of N2 and H2O molecules, while the micro-heterojunction improves separation efficiency of photogenerated charges. More importantly, N2 molecules and H2O molecules could be adsorbed at Bi3+ and Mo5+ sites at two sides of the Ov at the interfacial surface between Bi2MoO6 and Mo-Bi2O3 to form a N2/Bi-OV-Mo/H2O cyclic transition state. Upon illumination, the photogenerated electrons and holes transfer to the Bi and Mo sites, where they are captured by N2 and H2O molecules, respectively. In this way, N2 and H2O are transformed step by step into NH3 and O2. This work underscores the synergistic roles of the micro-heterojunction and oxygen vacancies of Bi2MoO6/Bi2O3 for enhancing photocatalytic nitrogen fixation. The proposed mechanism offers valuable insights for designing high-performance photocatalysts for photocatalytic ammonia production.

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GB/T 7714 Wu, Dan , Hong, Lu , Gu, Xin et al. Spherical micro-heterostructured Bi2MoO6/Mo-Bi2O3 with interfacial oxygen vacancies enabling efficient photocatalytic NH3 production from N2 and H2O [J]. | CATALYSIS SCIENCE & TECHNOLOGY , 2025 , 15 (18) : 5480-5490 .
MLA Wu, Dan et al. "Spherical micro-heterostructured Bi2MoO6/Mo-Bi2O3 with interfacial oxygen vacancies enabling efficient photocatalytic NH3 production from N2 and H2O" . | CATALYSIS SCIENCE & TECHNOLOGY 15 . 18 (2025) : 5480-5490 .
APA Wu, Dan , Hong, Lu , Gu, Xin , Liu, Yanan , Li, Haohong , Shen, Jinni et al. Spherical micro-heterostructured Bi2MoO6/Mo-Bi2O3 with interfacial oxygen vacancies enabling efficient photocatalytic NH3 production from N2 and H2O . | CATALYSIS SCIENCE & TECHNOLOGY , 2025 , 15 (18) , 5480-5490 .
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Spherical micro-heterostructured Bi2MoO6/Mo-Bi2O3 with interfacial oxygen vacancies enabling efficient photocatalytic NH3 production from N2 and H2O EI
期刊论文 | 2025 , 15 (18) , 5480-5490 | Catalysis Science and Technology
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: 7
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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
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