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学者姓名:于岩
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High-temperature photothermal response functional materials are an important branch of advanced photothermal materials. However, pure organic high-temperature photothermal materials are currently relatively scarce, and their molecular design and synthesis are challenging. In this research, a highly efficient [2 + 2] cycloaddition-retroelectrocyclization reaction has been carried out between the precursor molecule containing N,N-diphenyl-4-(phenylethynyl)aniline and piperazine-2,5-dione units (TP) and the typical electron-deficient unit 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane (4F-TCNQ), and a rigid and twisted high-temperature photothermal organic material (named TTP) has been successfully designed and synthesized. This material is easy to synthesize and solution-processable, has broad spectral absorption (320-1900 nm), and can be triggered for high-temperature (similar to 400 degrees C) photothermal response by a near-infrared region II (NIR-II) laser (1064 nm). It has also been successfully applied to laser ignition, the construction of high-temperature shape memory actuators, and photowelding of metals with a 1064 nm laser, demonstrating the attractive potential for high-temperature NIR-II photothermal applications.
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GB/T 7714 | Yang, Huaxin , Wang, Weifang , Deng, Ping et al. Exceptional Second Near-Infrared Window Organic Photothermal Material for High-Temperature Applications Activated by a 1064 nm Laser [J]. | ACS MATERIALS LETTERS , 2025 , 7 (3) : 1060-1069 . |
MLA | Yang, Huaxin et al. "Exceptional Second Near-Infrared Window Organic Photothermal Material for High-Temperature Applications Activated by a 1064 nm Laser" . | ACS MATERIALS LETTERS 7 . 3 (2025) : 1060-1069 . |
APA | Yang, Huaxin , Wang, Weifang , Deng, Ping , Yu, Yan . Exceptional Second Near-Infrared Window Organic Photothermal Material for High-Temperature Applications Activated by a 1064 nm Laser . | ACS MATERIALS LETTERS , 2025 , 7 (3) , 1060-1069 . |
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Aqueous zinc-ion batteries (AZIBs) have demonstrated considerable potential for utilization in large-scale energy storage applications, driven by their environmental sustainability, inherent safety and cost-effectiveness. Nonetheless, the growth of Zn dendrites and side reactions, resulting in degraded cycling stability, poses a substantial obstacle to the practical implementation of AZIBs. Herein, it is demonstrated that creatinine (Cre), a metabolite derived from muscle, serves as a multifunctional electrolyte additive that enhances the performance of AZIBs. Both experimental and theoretical analyses reveal that Cre, when used as an electrolyte additive, fulfills three key roles: it disrupts the solvation structure of Zn2+ by carbonyl group; it forms a water-deficient electric double layer, thereby reducing the likelihood of interfacial water decomposition; and it promotes the deposition of Zn2+ on the (002) planes, facilitating the uniform deposition. The Zn||Zn symmetric cell utilizing a 1 M ZnSO4 electrolyte with the addition of 0.3 M Cre exhibits stable cycling for 900 h under the condition of 1 mA cm-2 and 1 mAh cm-2, representing an over 11-fold increase in lifespan. Furthermore, the Zn||VO2 full cell demonstrates a capacity retention of approximate to 105 mAh g-1 after 300 cycles at a rate of 10 C.
Keyword :
(002) crystal planes (002) crystal planes adsorption modulation adsorption modulation aqueous zinc-ion batteries aqueous zinc-ion batteries human metabolites human metabolites solvation structure solvation structure
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GB/T 7714 | Lu, Yusheng , Jiang, Yaming , Yi, Jinlan et al. Creatinine: A Muscle Metabolite as a Multifunctional Electrolyte Additive for Aqueous Zinc-Ion Batteries [J]. | SMALL METHODS , 2025 . |
MLA | Lu, Yusheng et al. "Creatinine: A Muscle Metabolite as a Multifunctional Electrolyte Additive for Aqueous Zinc-Ion Batteries" . | SMALL METHODS (2025) . |
APA | Lu, Yusheng , Jiang, Yaming , Yi, Jinlan , Wei, Yang , Wang, Fei , Zhong, Shenghong et al. Creatinine: A Muscle Metabolite as a Multifunctional Electrolyte Additive for Aqueous Zinc-Ion Batteries . | SMALL METHODS , 2025 . |
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Conventional multimetallic catalysts, often characterized by randomly mixed metals, tend to exhibit competing interactions and ambiguously defined active sites due to poorly understood synergistic effects. Herein, this challenge is surmounted through atomic compartmentalization, achieving precise organization of Co, Cu, Mn, and Fe into role-specific atomic niches within ultrathin (8 nm) single-crystalline nanocages. Advanced characterization reveals a hierarchical synergy: Co serves as the primary CO2 reduction site, while Fe stabilizes the framework via robust Fe & horbar;CN & horbar;Co coordination. Cu functions as an atomic electron shuttle, elevating the Co oxidation state to enhance charge transfer and CO2 activation, while Mn induces lattice strain and nanocage formation, optimizing CO2 binding and active-site exposure. This synergistic design yields a higher syngas production rate of VCO = 35.77 mmolg-1 h-1, VH2 = 33.96 mmol g-1 h-1 (CO/H2 approximate to 1), outperforming many reported Co-based catalysts, while maintaining stability in cycling test. The work redefines multimetallic catalyst design, demonstrating that atomic-level precision fosters unparalleled functional complementarity.
Keyword :
atomic metal compartmentalization atomic metal compartmentalization CO2 photoreduction, metal-organic framework CO2 photoreduction, metal-organic framework multi-metallic catalysts multi-metallic catalysts single-crystal nanocage single-crystal nanocage
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GB/T 7714 | Zheng, Yanting , Zeng, Yurong , Lu, Shuqi et al. Atomic Compartmentalization of Quaternary Metals in Thin Single-Crystal PBA Nanocages Enables Superior CO2-to-Syngas Photoreduction [J]. | SMALL , 2025 . |
MLA | Zheng, Yanting et al. "Atomic Compartmentalization of Quaternary Metals in Thin Single-Crystal PBA Nanocages Enables Superior CO2-to-Syngas Photoreduction" . | SMALL (2025) . |
APA | Zheng, Yanting , Zeng, Yurong , Lu, Shuqi , Huang, Haoyang , Zhuang, Zanyong , Yu, Yan . Atomic Compartmentalization of Quaternary Metals in Thin Single-Crystal PBA Nanocages Enables Superior CO2-to-Syngas Photoreduction . | SMALL , 2025 . |
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Hydrogels possess significant potential for the development of multifunctional soft materials in smart sensors and wearable devices, attributed to their distinctive properties of softness, conductivity, and biocompatibility. Nevertheless, their widespread application is frequently limited by inadequate mechanical strength and strain capacity. This study introduces a meticulously engineered hydrogel system, LM/SA/P(AAM-co-BMA), which integrates eutectic gallium-indium alloy (EGaIn) as both a polymerization initiator and a flexible filler. The resultant hydrogel demonstrates remarkable tensile strain capabilities of up to 2800% and a tensile strength of 2.3 MPa, achieved through a synergistic interplay of ionic coordination, hydrogen bonding, and physical polymer interactions. Furthermore, the hydrogel exhibits outstanding biocompatibility, recyclability, and stable long-term storage, rendering it an ideal candidate for the continuous monitoring of high-intensity physical activities.
Keyword :
Hydrogel Hydrogel Liquid metal Liquid metal Mechanical properties Mechanical properties Strain sensor Strain sensor
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GB/T 7714 | Liu, Mengchen , Zhang, Yufei , Xiao, Yi et al. High stretchability and toughness of liquid metal reinforced conductive biocompatible hydrogels for flexible strain sensors [J]. | CHINESE JOURNAL OF STRUCTURAL CHEMISTRY , 2025 , 44 (3) . |
MLA | Liu, Mengchen et al. "High stretchability and toughness of liquid metal reinforced conductive biocompatible hydrogels for flexible strain sensors" . | CHINESE JOURNAL OF STRUCTURAL CHEMISTRY 44 . 3 (2025) . |
APA | Liu, Mengchen , Zhang, Yufei , Xiao, Yi , Wei, Yang , Bi, Meichen , Jiang, Huaide et al. High stretchability and toughness of liquid metal reinforced conductive biocompatible hydrogels for flexible strain sensors . | CHINESE JOURNAL OF STRUCTURAL CHEMISTRY , 2025 , 44 (3) . |
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In this work, cation vacancies induced the tetrahedral distortion, enhancing the second harmonic generation (SHG) response in the diamond-like (DL) structure compounds. Concretely, the high valence and electronegativity of P5+ were introduced to substitute the Ge4+ in Cd4GeS6, which shows a general SHG response of 1.1 x AgGaS2 (AGS) at 2050 nm. Thus, the isomorphic defective DL Cd3.5PS6 was obtained with inherent Cd2+ vacancies, leading to an 8.5-fold increase in [CdS4] tetrahedral distortion degree than Cd4GeS6. As a result, Cd3.5PS6 has a high SHG response of 2 x AGS at 2050 nm and a laser-induced damage threshold (LIDT) of 9.4 x AGS. Furthermore, equivalent Hg2+ substitution concentrates Cd2+ vacancies at the Cd(2) site, leading to a 2.66-fold [CdS4] tetrahedral distortion degree than Cd3.5PS6. Consequently, Hg0.5Cd3PS6 possesses a high SHG response of 2.73 x AGS at 2050 nm and LIDT of 5 x AGS with a birefringence of 0.076@2050 nm. The results indicate that the cation vacancies and radius scale of mixed atoms provide effective ways to design high-performance nonlinear optical crystals.
Keyword :
cation vacancies cation vacancies diamond-like structure diamond-like structure distortion degree distortion degree mid-infrared nonlinear optical mid-infrared nonlinear optical polarizability polarizability
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GB/T 7714 | Guo, Weiping , Zhang, Yongjia , Cui, Hong-Hua et al. Vacancy-driven tetrahedral distortion leading to exceptional second harmonic generation [J]. | SCIENCE CHINA-MATERIALS , 2025 . |
MLA | Guo, Weiping et al. "Vacancy-driven tetrahedral distortion leading to exceptional second harmonic generation" . | SCIENCE CHINA-MATERIALS (2025) . |
APA | Guo, Weiping , Zhang, Yongjia , Cui, Hong-Hua , Li, Xin-Xiong , Li, Lingyun , Yu, Yan et al. Vacancy-driven tetrahedral distortion leading to exceptional second harmonic generation . | SCIENCE CHINA-MATERIALS , 2025 . |
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Achieving high-stability thermoelectric materials with excellent average power factor and figure of merit is crucial for maximizing the output power density and conversion efficiency of thermoelectric devices. In this study, GaSb is added to PbSe as an n-type dopant to form stable solid solutions. Doping with GaSb flattens the conduction band and reduces the energy difference between the Sigma and L conduction bands, thereby significantly improving the Seebeck coefficient. Herein, the Ga and Sb atoms co-occupy the vacant Pb sites, unlike in the case of traditional single-element doping, as is verified by density functional theory calculations. The resultant structural distortion is confirmed via transmission electron microscopy. This local structure distortion caused by GaSb doping reduces the lattice thermal conductivity. Consequently, the Pb-0.99875(GaSb)(0.00125)Se sample exhibits a record-high average power factor of similar to 22.37 mu W cm(-1) K-2 and a high average figure of merit of similar to 0.94 in the temperature range of 300-873 K. Furthermore, the introduction of interstitial Cu and discordant Zn atoms further reduces the lattice thermal conductivity. The Pb-0.99875(GaSb)(0.00125)Zn0.01Se1.01-0.3%Cu sample exhibits a low lattice thermal conductivity of similar to 0.4 W m(-1) K-1 at 873 K and a record-high average figure of merit of similar to 1.01 in the temperature range of 300-873 K.
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GB/T 7714 | Zhou, Jing , Cui, Hong-Hua , Liu, Yukun et al. Conduction band convergence and local structure distortion for superior thermoelectric performance of GaSb-doped n-type PbSe thermoelectrics [J]. | NATURE COMMUNICATIONS , 2025 , 16 (1) . |
MLA | Zhou, Jing et al. "Conduction band convergence and local structure distortion for superior thermoelectric performance of GaSb-doped n-type PbSe thermoelectrics" . | NATURE COMMUNICATIONS 16 . 1 (2025) . |
APA | Zhou, Jing , Cui, Hong-Hua , Liu, Yukun , Ming, Hongwei , Yu, Yan , Dravid, Vinayak P. et al. Conduction band convergence and local structure distortion for superior thermoelectric performance of GaSb-doped n-type PbSe thermoelectrics . | NATURE COMMUNICATIONS , 2025 , 16 (1) . |
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Poly(ether ketone) (PEEK) is an engineering polymer that can be used as load-bearing structures in automotive and aerospace fields, and the systematic study of its properties at different environments is crucial for the design of PEEK-based materials. In this study, a meta-model of PEEK based on molecular dynamics (MD) theory has been built, and the relevant properties (i.e., density, Young's modulus, and Poisson's ratio) have been carefully studied. Specifically, Young's modulus and Poisson's ratio values of PEEK have been obtained through tensile simulation process, and the meta-model of PEEK sample has been creatively constructed over 100-500 K and 0.5-10 atm using the Gaussian regression process algorithm. The effects of different temperatures and pressures to the sample have then been carefully investigated based on the data of meta-models. Successfully combining the MD theory with the construction of high dimensional meta-model could provide a new strategy to design and study PEEK through modeling and optimization procedures, which leads to a brand-new method to study high-performance PEEK and PEEK-based materials. Graphical abstract
Keyword :
meta-modeling meta-modeling molecular dynamics molecular dynamics poly(ether ketone) poly(ether ketone)
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GB/T 7714 | Hu, Chenxi , Chen, Liming , Li, Zhongqi et al. Model construction and property study of poly(ether-ether-ketone) by molecular dynamics simulation with meta-modeling methods [J]. | E-POLYMERS , 2025 , 25 (1) . |
MLA | Hu, Chenxi et al. "Model construction and property study of poly(ether-ether-ketone) by molecular dynamics simulation with meta-modeling methods" . | E-POLYMERS 25 . 1 (2025) . |
APA | Hu, Chenxi , Chen, Liming , Li, Zhongqi , Yu, Yan . Model construction and property study of poly(ether-ether-ketone) by molecular dynamics simulation with meta-modeling methods . | E-POLYMERS , 2025 , 25 (1) . |
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Conventional aqueous zinc-ion batteries (AZIBs) encounter challenges that compromise the reversibility and stability of the zinc anode. To mitigate these issues, this study proposes the incorporation of highly polar 1,2-propylene glycol (PG) as a co-solvent. PG's capacity to form hydrogen bonds with water molecules effectively reduces water activity and facilitates uniform Zn2+ deposition by establishing a negatively charged adsorption layer via PG molecules. By optimizing the water-to-PG ratio, a tailored electrolyte system was developed, and the electrochemical behavior of Zn2+ during the solvation-to-deposition process was systematically elucidated through experimental and theoretical analyses. The findings indicate that AZIBs incorporating 20 % PG achieve a cycle life of 2500 h at a current density of 1 mA cm- 2 and a capacity of 1 mA h cm- 2, underscoring the pivotal role of PG in stabilizing the zinc anode interface. The assembled Zn||VO2 full cells demonstrated exceptional performance in the 20 % PG electrolyte, sustaining 1100 stable cycles even at a high rate of 20C. Moreover, AZIBs with 20 % PG exhibited superior ionic conductivity at low temperatures, enabling Zn||Zn symmetric cells to operate stably for 2500 h at-20 degrees C. These results highlight the significant potential of 20 % PG in practical energy storage systems.
Keyword :
Adsorption modulation Adsorption modulation Aqueous zinc-ion batteries Aqueous zinc-ion batteries Dendrite-free Dendrite-free Electrolyte co-solvent Electrolyte co-solvent Solvation structure Solvation structure
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GB/T 7714 | Yi, Jinlan , Lin, Yushuang , Jiang, Yaming et al. Co-solvent electrolyte-induced interface engineering for enhanced stability in zinc-ion batteries [J]. | JOURNAL OF POWER SOURCES , 2025 , 629 . |
MLA | Yi, Jinlan et al. "Co-solvent electrolyte-induced interface engineering for enhanced stability in zinc-ion batteries" . | JOURNAL OF POWER SOURCES 629 (2025) . |
APA | Yi, Jinlan , Lin, Yushuang , Jiang, Yaming , Lu, Yusheng , Zheng, Xinyu , Zhong, Shenghong et al. Co-solvent electrolyte-induced interface engineering for enhanced stability in zinc-ion batteries . | JOURNAL OF POWER SOURCES , 2025 , 629 . |
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The influence of hydrogen bonding on spectroscopic properties is one of the fundamental issues in the field of luminescent organic-inorganic hybrid metal halides (OIMHs). We design and prepare three OIMHs, namely, crystals 1, 2 and 3, using 2,2 '-bipyridine and ZnCl2 as starting materials. From crystals 1 to 3, the hydrogen bonding environment surrounding the 2,2 '-bipyridinium cations gradually weakens, with both the dihedral angle and the number of hydrogen bonds around them decreasing progressively. Correspondingly, the blue emission belonging to the S1 -> S0 transition of the three crystals gradually increases, with crystal 3 exhibiting the strongest blue light emission and a photo-luminescence quantum yield reaching 34.10%. In crystal 1, the dense hydrogen bonding environment of the 2,2 '-bipyridinium cation results in an obvious energy transfer from S1 to T1. This reduces the population of the S1 state, thereby leading to weaker blue light emission. In crystals 2 and 3, the weaker hydrogen bonding environment and smaller spatial distortion of organic cations weaken or even prevent energy transfer between S1 and T1, thereby enhancing blue light emission. These findings provide new insights for exploring novel luminescent OIMHs and developing more effective means of regulating their luminescence performance. (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)-(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic) (sic)(OIMHs)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic). (sic)(sic)(sic)2,2 '-(sic)(sic)(sic)(sic)ZnCl2(sic)(sic)(sic), (sic) (sic)(sic)(sic)(sic)(sic)(sic)(sic)OIMH, (sic)(sic)(sic)1,2(sic)3. (sic)(sic)(sic)1(sic)(sic)(sic)3, 2,2 '-(sic)(sic)(sic) (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic) (sic). (sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)S1 -> S0(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)3 (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)34.10%. (sic)(sic)(sic)1(sic), 2,2 '-(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)S1(sic)T1(sic)(sic)(sic)(sic)(sic)(sic)(sic). (sic)(sic) (sic)(sic)S1(sic)(sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic). (sic)(sic)(sic)(sic)2(sic)3(sic), (sic)(sic)(sic) (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)S1(sic)T1(sic)(sic)(sic) (sic)(sic)(sic)(sic), (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic). (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)OIMHs(sic) (sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic)(sic).
Keyword :
blue emission blue emission hydrogen bonding hydrogen bonding optical materials optical materials organic-inorganic hybrid metal halides organic-inorganic hybrid metal halides photoluminescence photoluminescence
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GB/T 7714 | Zhang, Qi , Huang, Tianwen , Liu, Zheyuan et al. Hydrogen bonding evolution and efficient blue light emission in a series of Zn-based organic-inorganic hybrid metal halide crystals [J]. | SCIENCE CHINA-MATERIALS , 2025 , 68 (4) : 1004-1011 . |
MLA | Zhang, Qi et al. "Hydrogen bonding evolution and efficient blue light emission in a series of Zn-based organic-inorganic hybrid metal halide crystals" . | SCIENCE CHINA-MATERIALS 68 . 4 (2025) : 1004-1011 . |
APA | Zhang, Qi , Huang, Tianwen , Liu, Zheyuan , Feng, Ya-Nan , Yu, Yan , Li, Lingyun . Hydrogen bonding evolution and efficient blue light emission in a series of Zn-based organic-inorganic hybrid metal halide crystals . | SCIENCE CHINA-MATERIALS , 2025 , 68 (4) , 1004-1011 . |
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A simple, novel, and gram-scalable fluorescent probe material (NIT) containing a 2,2-diphenyl-1,3-dithiolane-bridged bis-1,8-naphthalimide unit with excellent air environment stability has been reported. NIT can effectively detect Hg2+ according to the variation in the fluorescence characteristics of NIT with and without Hg2+. The selectivity, concentration titration, pH applicable range, and detection limit of NIT in 2-methyl tetrahydrofuran/water have been investigated. The results show NIT possesses high selectivity, a wide pH applicable range of 3-13, and sensitivity to detect Hg2+. NIT also indicates the potential application in real environmental water samples for detecting Hg2+.
Keyword :
1,8-naphthalimide 1,8-naphthalimide 2,2-diphenyl-1,3-dithiolane 2,2-diphenyl-1,3-dithiolane Fluorescent probe Fluorescent probe Hg2+ Hg2+
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GB/T 7714 | Cao, Wenyu , Wang, Weifang , Deng, Ping et al. A gram-scalable and air-stable 2,2-diphenyl-1,3-dithiolane-bridged bis-1, 8-naphthalimide fluorescent probe for efficient Hg2+ detection [J]. | FUNCTIONAL MATERIALS LETTERS , 2025 , 18 (03) . |
MLA | Cao, Wenyu et al. "A gram-scalable and air-stable 2,2-diphenyl-1,3-dithiolane-bridged bis-1, 8-naphthalimide fluorescent probe for efficient Hg2+ detection" . | FUNCTIONAL MATERIALS LETTERS 18 . 03 (2025) . |
APA | Cao, Wenyu , Wang, Weifang , Deng, Ping , Yu, Yan . A gram-scalable and air-stable 2,2-diphenyl-1,3-dithiolane-bridged bis-1, 8-naphthalimide fluorescent probe for efficient Hg2+ detection . | FUNCTIONAL MATERIALS LETTERS , 2025 , 18 (03) . |
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