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学者姓名：林华香
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Abstract ：
H2 and O2 evolutions occur simultaneously for conventional particulate photocatalytic overall water splitting (PPOWS), leading to a significant backward reaction and the formation of an explosive H2/O2 gas mixture. This is an issue that must be addressed prior to industrialization of PPOWS. Here, a convenient, cost-effective, and scalable concept is introduced to uncouple hydrogen and oxygen production for PPOWS. Based on this idea, a three-component photocatalyst, Co(5 %)-HPCN/(rGO/Pt), is constructed, consisting of a photoresponsive chip (HPCN), a H2 evolution cocatalyst (rGO/Pt), and a cobalt complex capable of reversibly binding O2 (Co), to achieve the decoupling of PPOWS under alternating UV and visible light irradiations. The asynchronous O2 and H2 evolution strategy have considerable flexibility regarding the photocatalyst structure and light sources suitable for PPOWS.
Keyword ：
carbon nitride chips carbon nitride chips overall water splitting overall water splitting photocatalytic photocatalytic PPOWS decoupling PPOWS decoupling reaction mechanism reaction mechanism
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| GB/T 7714 | Liu, Dan , Xu, Huihui , Shen, Jinni et al. Decoupling H2 and O2 Release in Particulate Photocatalytic Overall Water Splitting Using a Reversible O2 Binder [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 , 64 (9) . |
| MLA | Liu, Dan et al. "Decoupling H2 and O2 Release in Particulate Photocatalytic Overall Water Splitting Using a Reversible O2 Binder" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 64 . 9 (2025) . |
| APA | Liu, Dan , Xu, Huihui , Shen, Jinni , Wang, Xun , Qiu, Chengwei , Lin, Huaxiang et al. Decoupling H2 and O2 Release in Particulate Photocatalytic Overall Water Splitting Using a Reversible O2 Binder . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2025 , 64 (9) . |
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This study successfully synthesized selenium-doped CuWO4 photocatalysts via a hydrothermal method and systematically investigated their visible-light-driven antibacterial performance and mechanistic pathways. Experimental results reveal that selenium doping concentration significantly modulates the photocatalytic activity, with the optimal doping level of 0.7 mmol achieving remarkable antibacterial efficiency. Under 100 min of visible-light irradiation, the material achieved 99.9% inactivation of S. aureus at an initial concentration of 107 CFU mL-1. Systematic characterizations, including radical trapping experiments, scanning electron microscopy (SEM), and intracellular genetic material leakage assays, demonstrate that selenium doping introduces electron-trapping centers, effectively suppressing charge carrier recombination. This optimization enhanced the photocatalytic antibacterial activity by 2.3 times compared to pristine CuWO4 and significantly promoted the generation of reactive oxygen species (ROS: (OH)-O-center dot, (center dot)O2-, and 1O2). The resultant ROS disrupt bacterial cell wall integrity via lipid bilayer destruction, induce membrane permeability alterations, and provoke cytoplasmic leakage, collectively leading to efficient bacterial inactivation. This work elucidates the atomic-level mechanism of selenium-enhanced photocatalytic activity in tungstate-based materials and provides fundamental insights for designing advanced semiconductor photocatalysts for antimicrobial applications.
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| GB/T 7714 | Wang, Chenchen , Gai, Dandan , Fan, Jiye et al. CuWO4 doped with Se for enhanced photocatalytic antibacterial activity [J]. | NEW JOURNAL OF CHEMISTRY , 2025 , 49 (24) : 10065-10079 . |
| MLA | Wang, Chenchen et al. "CuWO4 doped with Se for enhanced photocatalytic antibacterial activity" . | NEW JOURNAL OF CHEMISTRY 49 . 24 (2025) : 10065-10079 . |
| APA | Wang, Chenchen , Gai, Dandan , Fan, Jiye , Lin, Huaxiang , Yuan, Rusheng , Long, Jinlin et al. CuWO4 doped with Se for enhanced photocatalytic antibacterial activity . | NEW JOURNAL OF CHEMISTRY , 2025 , 49 (24) , 10065-10079 . |
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This work proposes a sigma-pi hyperconjugation strategy to establish interlayer charge transport channels (CTC) in supramolecular organic nanostructures. A series of ullazine-based molecular semiconductors were designed and synthesized successfully by engineering end groups to demonstrate the sigma-pi hyperconjugation that unlocks the quantum confinement of photogenerated charges in pi-conjugated planes. Ullazine grafted with tert-butyl (U-t-Bu) showed a J-cross-stacking model in which the cross-stacked U-t-Bu molecular pair smoothly glides along the elongated dimension, forming a Z-schemed interlayer CTC by sigma-pi hyperconjugations between C-H sigma-bonds of tert-butyl end group and pi-bonds of ullazines in adjacent layers along the stacking dimension. Consequently, upon photoexcitation of ullazine-based supramolecular nanoaggregates in aqueous solution, the formed Frenkel excitons are dissociated to charge-separated excitons by the interlayer charge separation channels, undergoing an ultrafast charge transfer within 0.58 ps and an ultrafast charge separation within 0.67 ps. The Z-schemed charge separation between adjacent layers leads to a significantly enhanced hydrogen yield over U-t-Bu/PVP/Pt, with a hydrogen evolution rate of 369.9 mu molg-1h-1 and an apparent quantum yield of 1.46% at 420 nm. It is 3.8-fold larger than that of ullazine modified with methoxy (U-OMe), without the sigma-pi hyperconjugation.
Keyword ：
exciton dynamics exciton dynamics HER HER hyperconjugation effect hyperconjugation effect photocatalysis photocatalysis supramolecule supramolecule
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| GB/T 7714 | Yang, Qin , Li, Wanqing , Wang, Ying et al. σ-π Hyperconjugation Unlocks Interlayer Charge Separation of Ullazine-Based Supramolecular Nanostructures for Photocatalytic Hydrogen Evolution [J]. | ACS CATALYSIS , 2025 , 15 (4) : 3267-3275 . |
| MLA | Yang, Qin et al. "σ-π Hyperconjugation Unlocks Interlayer Charge Separation of Ullazine-Based Supramolecular Nanostructures for Photocatalytic Hydrogen Evolution" . | ACS CATALYSIS 15 . 4 (2025) : 3267-3275 . |
| APA | Yang, Qin , Li, Wanqing , Wang, Ying , Zhuang, Yan , Wu, Shuhong , Wang, Shuo et al. σ-π Hyperconjugation Unlocks Interlayer Charge Separation of Ullazine-Based Supramolecular Nanostructures for Photocatalytic Hydrogen Evolution . | ACS CATALYSIS , 2025 , 15 (4) , 3267-3275 . |
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The CeO2/CuMoO4 type II heterojunction with varying CeO2 contents was synthesized by the hydrothermal method. These heterojunction catalysts exhibit superior antibacterial activity against both Escherichia coli and Staphylococcus aureus under visible light irradiation compared to CuMoO4 alone. The evaluations of bacterial morphology, intracellular content concentration of bacteria, and reactive oxygen species (ROS) during the photocatalytic process indicated that the ROS oxidize phospholipids in the bacterial cell membrane, which leads to the damage of the cell structure and leakage of cell contents, ultimately resulting in bacterial inactivation. Both EPR (Electron Paramagnetic Resonance) and ROS scavenging experiments confirmed that superoxide radicals (O-2(-)) and e(-) play an important role in the photocatalytic antibacterial activity. The introduction of CeO2 into CuMoO4 enhances the heterojunction's photoelectric performance and promotes the efficient separation of photogenerated carriers, which benefits the production of O-2(-). Furthermore, the Ce3+/Ce4+ redox couple that exists in CeO2 may act as a trap to capture the electron, which inhibits the recombination of electrons and holes, and further reacts with the adsorbed oxygen on the catalyst surface to generateO-2(-). This approach of introducing Ce3+/Ce4+ redox pairs as defect centrals to improve superoxide radicals offers an avenue for modifying photocatalytic materials and provides an alternative way to traditional antibiotic strategies in antibacterial applications.
Keyword ：
Ce3+/Ce4+ Ce3+/Ce4+ CeO2/CuMoO4 CeO2/CuMoO4 O-2 (-) O-2 (-) Photocatalytic antibacterial Photocatalytic antibacterial Type II heterojunction Type II heterojunction
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| GB/T 7714 | Gai, Dandan , Li, Xu , Lin, Huaxiang et al. Synthesis of the Type II Heterojunction of CeO2/CuMoO4 for Improving the Antibacterial Activity of Photocatalysis [J]. | ACS APPLIED BIO MATERIALS , 2025 , 8 (8) : 7126-7138 . |
| MLA | Gai, Dandan et al. "Synthesis of the Type II Heterojunction of CeO2/CuMoO4 for Improving the Antibacterial Activity of Photocatalysis" . | ACS APPLIED BIO MATERIALS 8 . 8 (2025) : 7126-7138 . |
| APA | Gai, Dandan , Li, Xu , Lin, Huaxiang , Yuan, Rusheng , Long, Jinlin , Lin, Qun . Synthesis of the Type II Heterojunction of CeO2/CuMoO4 for Improving the Antibacterial Activity of Photocatalysis . | ACS APPLIED BIO MATERIALS , 2025 , 8 (8) , 7126-7138 . |
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Photothermal catalytic N-acetylation of aniline has been a promising strategy to synthesize amides, which combined the advantages of thermal catalysis and photocatalysis. Herein, we demonstrate a high-performance strategy to synthesize amides catalyzed by the in-situ formed first-row transition-metal (Fe, Co, Ni, Mn et al.) complexes nanodots (TMC NDs) under solar light excitation without using noble metals or strong acids. The dualfunctional nitriles substrates acted as the ligands to coordinate with transition-metal salts affording photosensitive TMC NDs with high solar-to-thermal energy conversion efficiency. Intramolecular charge transitions reduced the energy barrier of nitriles activation by weakening C---N bond and triggered near-field temperature rise via the electron-phonon scattering non-radiative pathway. The reaction system exhibited good tolerance to different functional groups, affording a series of amide derivatives. Such a dynamic coordination reaction mode and the in-situ formed TMC NDs opens new avenues toward solar-heat conversion via photon-phonon coupling in the field of chemical synthesis.
Keyword ：
Amide synthesis Amide synthesis N-acyl sources N-acyl sources Photon -phonon coupling Photon -phonon coupling Photothermal catalysis Photothermal catalysis Transition-metal complexes nanodots Transition-metal complexes nanodots
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| GB/T 7714 | Ma, Xiong-Feng , Xiao, Rui , Wei, Yingcong et al. Photothermal catalytic conversion of water and inert nitriles to amide activated by in-situ formed transition-metal-complex nanodots [J]. | APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY , 2024 , 344 . |
| MLA | Ma, Xiong-Feng et al. "Photothermal catalytic conversion of water and inert nitriles to amide activated by in-situ formed transition-metal-complex nanodots" . | APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY 344 (2024) . |
| APA | Ma, Xiong-Feng , Xiao, Rui , Wei, Yingcong , Zhang, Shaohui , Hu, Xiaoyi , Zhang, Ling et al. Photothermal catalytic conversion of water and inert nitriles to amide activated by in-situ formed transition-metal-complex nanodots . | APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY , 2024 , 344 . |
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A 2D Mn-based MOF ([Mn4(PDI)2(DMF)7(H2O)]n (MOF 1)) (H4PDI = 5,5 '-(1,3,6,8-tetraoxo-1,3,6,8-tetrahydrobenzo[lmn][3,8]phenanthroline-2,7-diyl)diisophthalic acid) was synthesized. Visible light excited Mn-PDI unit in MOF 1 oxidizes NaSO2CF3 to generate center dot CF3 radical and enables MOF 1 to exhibit activity for trifluoromethylation of (hetero)arenes under visible light. The unusual stability of MOF 1 in the trifluoromethylation reactions can be attributed to its unique structure, which prevents it from corrosion by acid byproduct. The peeling of MOF 1 to ultrathin nanosheets or partial oxidation of Mn(II) to Mn(III) in MOF 1 led to MOL 1 and NB 1 with significant improved activity for trifluoromethylation reactions, demonstrating the important role of composition and morphology of a catalyst on its performance. The light initiated trifluoromethylation reactions over these Mn-based MOFs was applied to a variety of substrates. This study provides an efficient strategy for synthesis of trifluoromethylated compounds and highlights the potential of MOFs in light initiated organic syntheses.
Keyword ：
Acid tolerance Acid tolerance CF 3 radicals CF 3 radicals Mn-based MOF Mn-based MOF Photocatalysis Photocatalysis Trifluoromethylation Trifluoromethylation
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| GB/T 7714 | Ma, Xiong-Feng , Wen, Bo , Zhang, Shaohui et al. Stable Mn(II) metal-organic framework for efficient visible light initiated trifluoromethylation reaction [J]. | JOURNAL OF CATALYSIS , 2024 , 436 . |
| MLA | Ma, Xiong-Feng et al. "Stable Mn(II) metal-organic framework for efficient visible light initiated trifluoromethylation reaction" . | JOURNAL OF CATALYSIS 436 (2024) . |
| APA | Ma, Xiong-Feng , Wen, Bo , Zhang, Shaohui , Wang, Deshun , Wang, Lele , Lin, Huaxiang et al. Stable Mn(II) metal-organic framework for efficient visible light initiated trifluoromethylation reaction . | JOURNAL OF CATALYSIS , 2024 , 436 . |
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The serious combination of abundant electrons/holes in bulk primarily hinders the efficiency in the photocatalytic reaction. It is crucial to control the spatial charge dynamics through delicately designing the crystal configuration of photocatalyst. In this work, a modified tungsten trioxide nanosheet colloid (M-WO3) was synthesized by an ion exchange method. Compared to pristine WO3 (P-WO3), the crystal lattice vibration frequency of M-WO3 increases from 2.8 meV to 4.3 meV, which effectively prohibits electron-phonon coupling and powerfully accelerates the separation and transfer of photoinduced charge carriers. Irradiated by visible-light, M-WO3 shows much higher photocatalytic bacterial inactivation performance than P-WO3. In addition, this regulation method increases the surface charges of the WO3 colloid to improve its stability, which endows this colloid photocatalyst with broad prospects in practical photocatalytic antibacterial applications. This work offers guidance to construct efficiently separated photoinduced electron/hole pairs of the colloid photocatalyst by designing its crystal structure.
Keyword ：
Colloid photocatalyst Colloid photocatalyst Colloid stability Colloid stability Crystal lattice vibration frequency Crystal lattice vibration frequency Photocatalytic disinfection Photocatalytic disinfection WO(6)octahedra distortion WO(6)octahedra distortion
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| GB/T 7714 | Qiu, Chengwei , Liu, Zhihua , Rao, Qin et al. Prohibiting the electron-phonon coupling effect in tungsten trioxide nanosheet colloid with enhanced photocatalytic antibacterial capacity [J]. | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2024 , 678 : 1135-1147 . |
| MLA | Qiu, Chengwei et al. "Prohibiting the electron-phonon coupling effect in tungsten trioxide nanosheet colloid with enhanced photocatalytic antibacterial capacity" . | JOURNAL OF COLLOID AND INTERFACE SCIENCE 678 (2024) : 1135-1147 . |
| APA | Qiu, Chengwei , Liu, Zhihua , Rao, Qin , Yang, Hui , He, Yuxin , Li, Dongmiao et al. Prohibiting the electron-phonon coupling effect in tungsten trioxide nanosheet colloid with enhanced photocatalytic antibacterial capacity . | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2024 , 678 , 1135-1147 . |
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A AgBr-Ag2MoO4 heterojunction with high inactivation of E. coli under visible-light illumination was constructed. The crystal structure, morphology, elemental composition, and optical properties were characterized by TEM, SEM, XRD, XPS and DRS. The photocatalytic inactivation of E. coli by AgBr, Ag2MoO4, and AgBr-Ag2MoO4 was investigated. The results indicate that AgBr-Ag2MoO4 shows the best disinfection activity compared to AgBr and Ag2MoO4, with the E. coli being almost completely inactivated after illumination for 80 min. In addition, the cell structure of the bacteria is destroyed after visible-light irradiation in the presence of the catalyst. The UV absorption detection confirms that the bacterial protein leak and the concentration of nucleic acid in the solution also increase with the increase of the reaction time, indicating that the integrity of the bacterial cell membrane is damaged. The detection of ROS scavengers indicates that the reactive species (h(+), OH, e(-) and O-2(-)) play an important role in the inactivation of bacteria. The EPR tests confirm that the amount of OH is higher than that of O-2(-) during the illumination process, which is consistent with the results of the free-radical capture tests. The heterojunction of AgBr-Ag2MoO4 is beneficial for the separation of photogenerated electrons and holes during the illumination process, resulting in an improvement of the antibacterial properties.
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| GB/T 7714 | Rao, Qin , Xian, Xiao , Lin, Huaxiang et al. Construction of a AgBr-Ag2MoO4 heterojunction and its photocatalytic sterilization activity [J]. | NEW JOURNAL OF CHEMISTRY , 2023 , 47 (32) : 15151-15161 . |
| MLA | Rao, Qin et al. "Construction of a AgBr-Ag2MoO4 heterojunction and its photocatalytic sterilization activity" . | NEW JOURNAL OF CHEMISTRY 47 . 32 (2023) : 15151-15161 . |
| APA | Rao, Qin , Xian, Xiao , Lin, Huaxiang , Yuan, Rusheng , Zhang, Zizhong , Long, Jinlin et al. Construction of a AgBr-Ag2MoO4 heterojunction and its photocatalytic sterilization activity . | NEW JOURNAL OF CHEMISTRY , 2023 , 47 (32) , 15151-15161 . |
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本发明公开了一种含稀土元素的硫化物光催化剂及其制备方法和应用，采用简单的水热法或溶剂热法制备含稀土元素的硫化物催化剂，并将其应用于光催化CO2还原体系中。本发明的制备方法简单易行、温和低能耗。制得的催化剂具有显著提高光催化CO2还原性能，且产物选择性高的优点，在光催化领域具有较广泛的应用前景，同时也为新型光催化剂的制备提供了新的思路。
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| GB/T 7714 | 丁正新 , 王文静 , 何春娴 et al. 一种含稀土元素的硫化物光催化剂及其制备方法和应用 : CN202210039689.3[P]. | 2022-01-14 00:00:00 . |
| MLA | 丁正新 et al. "一种含稀土元素的硫化物光催化剂及其制备方法和应用" : CN202210039689.3. | 2022-01-14 00:00:00 . |
| APA | 丁正新 , 王文静 , 何春娴 , 魏芬 , 韩世同 , 龙金林 et al. 一种含稀土元素的硫化物光催化剂及其制备方法和应用 : CN202210039689.3. | 2022-01-14 00:00:00 . |
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本发明公开了一种具有海胆球形貌的复合光催化剂材料及其制备方法和应用，该复合光催化剂是通过在乙醇热过程中，W18O49材料在2H/3C‑SiC纳米球表面生长从而得到具有海胆球形貌的SiC‑W18O49复合材料。该复合光催化剂制备原料价廉易得，制备方案便捷可行，并且与单一组分的W18O49材料和2H/3C‑SiC材料相比，光催化还原二氧化碳性能显著增强。
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| GB/T 7714 | 张子重 , 柳勇志 , 王绪绪 et al. 一种具有海胆球形貌的复合光催化剂材料及其制备方法和应用 : CN202210788518.0[P]. | 2022-07-06 00:00:00 . |
| MLA | 张子重 et al. "一种具有海胆球形貌的复合光催化剂材料及其制备方法和应用" : CN202210788518.0. | 2022-07-06 00:00:00 . |
| APA | 张子重 , 柳勇志 , 王绪绪 , 龙金林 , 林华香 , 沈锦妮 et al. 一种具有海胆球形貌的复合光催化剂材料及其制备方法和应用 : CN202210788518.0. | 2022-07-06 00:00:00 . |
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