Article
Chemistry, Physical
Xiaojun Dai, Sheng Feng, Wei Zheng, Wei Wu, Yun Zhou, Zhiwei Ye, Xun Cao, Yang Wang
Summary: In this study, a ternary photocatalyst was prepared using an ionic liquid assisted in-situ growth method. The structure and composition of the samples were analyzed, and it was found that the optimized composite material exhibited high efficiency of electron transfer and improved hydrogen evolution efficiency. The surface plasmon resonance effect produced by silver ions on the surface of the composite material enhanced the absorption of visible light. The composite material showed excellent photocatalytic performance and stability.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Inorganic & Nuclear
Nan Li, Guodong Fan, Miaomiao Fan, Fan Wu, Guoxian Zhang, Di Fan
Summary: The novel solid-state Z-scheme photocatalyst Ag3PO4/CSs/AgBr showed wide visible light absorption and superior photocatalytic performance. The carbon spheres (CSs) acted as charge carrier transfer bridge in constructing the all-solid-state Z-scheme photocatalyst, leading to significantly improved photocatalytic performance and stability. The possible photocatalytic reaction mechanism for Ag3PO4/CSs/AgBr involved photogenerated electrons with strong reduction abilities in the conduction band (CB) of AgBr and holes with strong oxidation abilities in the valence band (VB) of Ag3PO4.
DALTON TRANSACTIONS
(2021)
Article
Chemistry, Inorganic & Nuclear
Vaishnavi Kammara, Perala Venkataswamy, Gundeboina Ravi, Kadari Ramaswamy, Manasa Sunku, M. Vithal
Summary: In this study, a ternary composite Ag/AgBr/Li2ZrO3 was successfully designed, prepared, and applied for the photodegradation of organic dyes. The as-synthesized composite exhibited significantly higher degradation efficiency towards the dyes compared to the parent material Li2ZrO3, mainly due to its better absorption of visible light and lower electron-hole recombination rate. The relationship between the structural properties of the composite and its photocatalytic activity was discussed, and a possible degradation reaction mechanism was proposed.
INORGANIC CHEMISTRY COMMUNICATIONS
(2022)
Article
Engineering, Environmental
Gongduan Fan, Kaiwei Hu, Xia Li, Mingqian Xia, Zhuoyi Chen, Shoubin Chen, Jing Luo, Jianyong Zou, Zhanglin Hong, Kaiqin Xu
Summary: With the increasing discovery of pharmaceutically active compounds (PhACs) in the aquatic environment, the risks they pose to human health have become undeniable. In this study, a novel S-scheme AgBr/BiOBr photocatalyst was synthesized for the degradation of carbamazepine (CBZ). The photocatalyst showed high efficiency in CBZ degradation under visible light, along with reusability and stability. The study also revealed the possible degradation pathways of CBZ and evaluated the biological toxicity of CBZ and its degradation intermediates.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2023)
Article
Chemistry, Physical
Tingting Ren, Huoshuai Huang, Najun Li, Dongyun Chen, Qingfeng Xu, Hua Li, Jinghui He, Jianmei Lu
Summary: The well-designed heterojunction semicounductor coupled with high-conductive cocatalyst showed enhanced photocatalytic activity, with the 3D hollow heterojunction Ti3C2@ZnIn2S4 effectively collecting and separating photogenerated carriers. The presence of VZn and the introduction of hollow Ti3C2 spherical shell inhibited carrier recombination, leading to increased photocatalytic performance, particularly in Cr(VI) reduction under visible light.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2021)
Article
Chemistry, Inorganic & Nuclear
Huan Li, Junbo Zhong, Yuyun Zhang, Jianzhang Li
Summary: In this work, Ag/AgBr/BiOBr heterostructures were in-situ built by precipitation method, which can promote the separation of photoactivated carriers and enhance photocatalytic activity. The heterostructures prepared with a molar ratio of 2% AgBr/BiOBr showed the highest photocatalytic activity, being 2-fold of that of BiOBr, and exhibited outstanding stability. The mechanism for separation and transfer of photoexcited carriers was elucidated based on experimental results.
INORGANIC CHEMISTRY COMMUNICATIONS
(2022)
Article
Chemistry, Inorganic & Nuclear
Qian Liu, Deqing Chu
Summary: The morphology and band gap of BiOCl1-xBrx micromaterials were controlled by adjusting the molar ratio of Br and Cl. Loading Ag-AgBr onto BiOCl1-xBrx micromaterials optimized the photocatalytic performance, with the 2%Ag-AgBr/BiOCl0.49Br0.51 composite achieving a degradation rate of RhB of 98.77% after 6 minutes of light exposure.
INORGANIC CHEMISTRY COMMUNICATIONS
(2023)
Article
Chemistry, Physical
Hongfei Shi, Jinchang Fu, Wei Jiang, Yueting Wang, Baolei Liu, Junxi Liu, Haifeng Ji, Weidong Wang, Zhe Chen
Summary: The research successfully synthesized a novel g-C3N4/Bi4Ti3O12 hollow nanofiber composite through a convenient method, exhibiting excellent photocatalytic performance for the degradation of various pollutants under visible light. Among the samples prepared, CN/BTO-9 showed the best photocatalytic performance due to its unique structure, high specific surface area, and effective charge separation technology.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2021)
Article
Materials Science, Multidisciplinary
Juanjuan Liu, Heng Guo, Long Zhang, Haoyong Yin, Qiulin Nie
Summary: In this study, a sheet-like AgBr-Ag-BiOBr heterostructure was successfully fabricated at room temperature using a one-pot solution-chemistry method. The heterostructure showed a 3-fold higher catalytic rate constant than BiOBr in the visible-light-driven photodegradation of organic pollutants, thanks to its distinctive p-metal-n structure that facilitates visible-light absorption, separation of photogenerated electron-hole pairs, and production of active O-2(·-) species.
Article
Engineering, Chemical
Yanwen Liu, Anchao Zhang, Qianqian Zhang, Yanyang Mei, Chenkai Wang, Yuxin Wang, Jun Xiang, Sheng Su, Xinmin Zhang, Zengqiang Tan
Summary: Ternary AgBr/BiOI/Bi2O2CO3 heterojunction materials were synthesized for photocatalytic removal of Hg-0 from simulated flue gas. The optimized 2%AgBr-BiOI/Bi2O2CO3 showed a removal efficiency of about 97%, which was significantly higher than pure AgBr, Bi2O2CO3, and BiOI.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Article
Chemistry, Physical
Xuefeng Hu, Ting Luo, Yuhan Lin, Mina Yang
Summary: In this study, a novel visible-light-driven Z-scheme photocatalyst was constructed using a hydrothermal method. The photocatalyst exhibited excellent performance in degrading organic pollutants and provided insights into the mechanism of Z-scheme photocatalysts.
Article
Materials Science, Multidisciplinary
Linyang Bai, Zhaosheng Cai, Qi Xu
Summary: A plasmonic photocatalyst of Ag@AgBr/La2Ti2O7 was synthesized and showed excellent photocatalytic activity, with the formation of heterojunctions between Ag@AgBr and La2Ti2O7 contributing to efficient separation of photogenerated electrons and holes. The main reactive species responsible for RhB degradation were identified as center dot O-2(-) and h(+), and a possible photocatalytic mechanism for RhB decomposition over this catalyst was proposed.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2021)
Article
Chemistry, Physical
Lehlogonolo Tabana, Davy-Rayn Booysens, Shepherd Tichapondwa
Summary: Antiretroviral drugs have been detected in South African waterbodies and pose health hazards to human beings and the aquatic environment. Visible light activated photocatalysis can be used to effectively degrade these pollutants and remove them from the environment.
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
(2023)
Article
Materials Science, Multidisciplinary
Di Zhao, Yu Chen, Aichang Li, Hongyan Liu, Meng Zhang, Boying Li, Yuhuan Wu, Jia Song, Yihan Wang
Summary: Photocatalytic films, prepared by composite electrodeposition method, demonstrate outstanding surface plasmon resonance and catalytic stability. The degradation efficiency for Rhodamine B using the Ag@AgBr/GO/Ni composite film is significantly higher compared to using the Ag@AgBr/Ni film. The presence of GO greatly improves the charge conductivity and PC reduction of the films, leading to enhanced photocatalytic performance.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
Article
Chemistry, Physical
Kotesh Kumar Mandari, Namgyu Son, Taeseong Kim, Misook Kang
Summary: This study presents the enhanced charge carrier separation and improved visible-light absorption capability of ternary nanostructures of Ag/AgVO3 with SnS2. The SnS2@Ag/AgVO3 heterostructures showed higher photocatalytic H-2 performance and quantum efficiency compared to SnS2 alone under solar light irradiation. The enhanced activity of SnS2@Ag/AgVO3 can be attributed to the maximized interfacial contact between SnS2 and Ag/AgVO3, as well as the high visible-light absorptivity and efficiency of SnS2 in the heterostructures.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Chemistry, Physical
Yu Nie, Tingting Bo, Wei Zhou, Huilin Hu, Xiang Huang, Huaiyuan Wang, Xin Tan, Lequan Liu, Jinhua Ye, Tao Yu
Summary: Regulating the energy barrier of *COOH is crucial for the rate determining step in the photocatalytic reduction of CO2 to produce CO gas. In this study, an appropriate Zn vacancy on ZnIn2S4 was synthesized to enhance the photocatalytic CO2 reduction capacity (CO: 5.63 mmol g(-1) h(-1)) and selectivity (CO: 97.9%). Different sulfhydryl groups were used to regulate the formation of Zn vacancies in ZnIn2S4, leading to the generation of unsaturated sulfur coordination state adjacent to the Zn vacancy with fewer electrons compared to ZnIn2S4 without Zn vacancy. Experimental analysis and theoretical calculations demonstrated that the appropriate Zn vacancy shifted the Gibbs free energy of *COOH from endothermic to exothermic during the photoreduction of CO2. This work provides an engineering method to optimize cation vacancies and improve the efficiency of photocatalytic CO2 reduction by adjusting the energy barrier of intermediates.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Nanoscience & Nanotechnology
Wuqing Luo, An Li, Baopeng Yang, Hong Pang, Junwei Fu, Gen Chen, Min Liu, Xiaohe Liu, Renzhi Ma, Jinhua Ye, Ning Zhang
Summary: A hexagonal phase ZnS photocatalyst is synthesized and exhibits higher CO selectivity and better activity for CO2 reduction reactions compared to cubic ZnS. The study provides valuable insights into the synthesis and electronic structure of hexagonal ZnS for CO2 reduction reactions, which can inspire the design of highly active photocatalysts.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Xuelian Yu, Jian Xu, Jiangpeng Wang, Jinyu Qiu, Xiaoqiang An, Zhuan Wang, Guocheng Lv, Libing Liao, Jinhua Ye
Summary: In this study, a new protocol of natural Z-Scheme heterostructures based on red mud bauxite waste was demonstrated. The improved component and interfacial structure enabled efficient spatial separation of photo-generated carriers for overall water splitting, making it a promising photocatalyst for solar fuel production. This work presents the first Z-Scheme heterojunction based on natural minerals and provides a new avenue for the utilization of natural minerals for advanced catalysis applications.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Physical
Kang Peng, Jingying Ye, Hongjie Wang, Hui Song, Bowen Deng, Shuang Song, Yihan Wang, Linjie Zuo, Jinhua Ye
Summary: This study demonstrates that Ru nanoparticles supported on natural halloysite nanotubes can enhance the photothermal catalytic activity and selectivity of CO2 methanation under continuous flow conditions. The optimized catalyst exhibits a photothermal catalytic performance of 1704 mmolCH(4) g(cat)(-1) h(-1) with 93% CH4 selectivity and 68% CO2 conversion, surpassing other Ru-based catalysts in photothermal CO2 reduction. The excellent catalytic performance is attributed to the unique mesoporous tubular structure, efficient light-to-heat conversion, and interfacial interactions between halloysite nanotubes and Ru. This method of utilizing natural minerals as support provides a convenient approach for the rational design of abundant and low-cost catalysts for efficient photothermal catalytic CO2 reduction.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Physical
Xinmin Yang, Jiwei Cui, Xiaolu Liu, Qiqi Zhang, Defa Wang, Jinhua Ye, Lequan Liu
Summary: Cocatalyst is crucial in photocatalytic overall water splitting (POWS), but it also promotes H2-O2 recombination. In this study, a strategic approach of selectively coating single-layer graphene on metal cocatalyst was developed to suppress the backward reaction for efficient POWS. The results demonstrate the effectiveness of this method and its potential in developing cocatalysts with suppressed backward reaction for efficient POWS.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Physical
Bowen Deng, Hui Song, Qi Wang, Jianan Hong, Shuang Song, Yanwei Zhang, Kang Peng, Hongwei Zhang, Tetsuya Kako, Jinhua Ye
Summary: A Ru/In2O3 catalyst is reported for efficient and stable photothermal CH3OH production from CO2 hydrogenation under atmospheric pressure. The catalyst demonstrates a remarkable solar CH3OH production, which is more than 50 times higher than that of pure In2O3 and surpasses other reported In2O3-based photothermal catalysts. Detailed characterizations show that the interaction between Ru and In2O3 enhances the activation of CO2 and H-2, and Ru modulates the electronic structure of In2O3, promoting the generation of oxygen vacancies for CH3OH formation. This work provides a rational design approach for efficient catalysts in solar CH3OH production from CO2 hydrogenation under mild conditions.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Multidisciplinary Sciences
Yaguang Li, Xianhua Bai, Dachao Yuan, Chenyang Yu, Xingyuan San, Yunna Guo, Liqiang Zhang, Jinhua Ye
Summary: Cu-based high-entropy two-dimensional oxide is synthesized using a PVP templated method and shows enhanced sintering resistance and CO2 hydrogenation activity. It achieves a record photochemical energy conversion efficiency in photothermal CO2 hydrogenation under ambient sunlight irradiation.
NATURE COMMUNICATIONS
(2023)
Article
Multidisciplinary Sciences
Xin Chen, Junxiang Chen, Huayu Chen, Qiqi Zhang, Jiaxuan Li, Jiwei Cui, Yanhui Sun, Defa Wang, Jinhua Ye, Lequan Liu
Summary: In this study, a strategy of promoting water dissociation on Bi2O2CO3 is reported to achieve high solar to formate energy conversion in CO2 electroreduction. The authors identify CO3* as the key surface species for formate formation through electron spin resonance measurements and in situ Raman spectroscopy combined with isotopic labelling. The efficiency of solar to formate energy conversion reaches as high as 13.3% when combined with a photovoltaic device.
NATURE COMMUNICATIONS
(2023)
Article
Chemistry, Physical
Hao Wu, Lei Zhang, Songying Qu, Aijun Du, Junwang Tang, Yun Hau Ng
Summary: Hydrogen dopants and oxygen vacancies are important in BiVO4 photoanodes, but the impact of hydrogenation on charge transport, particularly electron small polaron formation, is not well understood. This study demonstrates that mild hydrogenation of nanoporous BiVO4 reduces the charge transport barrier, as shown by thermally activating photocurrent responses. The hydrogen atoms occupy oxygen vacancies, reducing the activation energy and facilitating electron small polaron transport. A BiVO4 photoanode with NiFeOx cocatalyst achieves an applied-bias photon-to-current efficiency of 1.91% at 0.58 V vs RHE. This study expands the understanding of hydrogen doping beyond conventional donor density/surface chemisorption mediations to include small polaron hopping.
ACS ENERGY LETTERS
(2023)
Article
Chemistry, Physical
Xiaolu Liu, Xinmin Yang, Jiwei Cui, Chenhe Wu, Yanhui Sun, Xuemei Du, Junxiang Chen, Jinhua Ye, Lequan Liu
Summary: This study demonstrates the great potential of using highly stable and active Ni-based photocatalysts for photocatalytic overall water splitting (POWS). Ni nanoparticles encapsulated in a nitrogen-doped ultrathin graphene layer were found to be an active, stable, and low-cost cocatalyst for POWS. The H-2 evolution rate over this cocatalyst was significantly higher than that of typical Pt cocatalyst, and the oxidation of Ni during the reaction was effectively suppressed through N-doped graphene coating. In addition to improving charge carrier dynamics, the introduction of N reduced the apparent activation energy of POWS.
Article
Chemistry, Multidisciplinary
Hao Huang, Shengyao Wang, Xingce Fan, Davin Philo, Liping Fang, Wenguang Tu, Teng Qiu, Zhigang Zou, Jinhua Ye
Summary: Au NPs and TiO2 are integrated via a solid-state dewetting technique, and the plasmonic frequencies range from visible to NIR region. The system allows for the photofixation of N-2 to NH3 under NIR light, offering a carbon-free and sustainable strategy for NH3 production. The Au/TiO2 plasmonic photocatalyst system shows stable performance and has the potential for better utilization of solar energy for nitrogen fixation.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Article
Chemistry, Applied
Hong Pang, Fumihiko Ichihara, Xianguang Meng, Lijuan Li, Yuqi Xiao, Wei Zhou, Jinhua Ye
Summary: This study investigates the influence of different transition metal ions on the photocatalytic CO2 reduction using copper-doped ZnS nanocrystals as the main catalyst. It was found that Ni2+, Co2+, and Cd2+ enhanced CO2 reduction, while Fe2+ suppressed the photocatalytic activity. The modified ZnS:Cu photocatalysts demonstrated tunable product selectivity, with Ni2+ and Co2+ showing high selectivity for syngas production and Cd2+ displaying remarkable formate selectivity.
JOURNAL OF ENERGY CHEMISTRY
(2023)
Review
Chemistry, Multidisciplinary
Bin Chang, Hong Pang, Fazal Raziq, Sibo Wang, Kuo-Wei Huang, Jinhua Ye, Huabin Zhang
Summary: In this review, the recent progress and challenges in preparing C2+ products are discussed. The recent advancements in carbon-carbon coupling results and proposed mechanisms are elaborated, along with the complex scenarios involved in the initial CO2 activation process, catalyst micro/nanostructure design, and mass transfer conditions optimization. The synergistic realization of high C2+ product selectivity through catalyst design and the influence of electrolytes using theoretical calculation analysis and machine learning prediction are also proposed. The in situ/operando techniques for tracking structural evolution and recording reaction intermediates during electrocatalysis are elaborated, as well as insights into triphasic interfacial reaction systems with improved C2+ selectivity.
ENERGY & ENVIRONMENTAL SCIENCE
(2023)
Article
Chemistry, Physical
Chengcheng Zhang, Yingkui Yan, Hubiao Huang, Xinsheng Peng, Hui Song, Jinhua Ye, Li Shi
Summary: Fe@PCN-222 is an efficient and selective photocatalyst that can oxidize CH4 to liquid oxygenates at room temperature using visible light. The presence of Fe single-atoms promotes the transfer of photogenerated electrons and activates H2O2, resulting in a substantial improvement in the selectivity and activity of liquid oxygenate production.
Review
Chemistry, Physical
Long Yang, Amol U. Pawar, Ramesh Poonchi Sivasankaran, Donkeun Lee, Jinhua Ye, Yujie Xiong, Zhigang Zou, Yong Zhou, Young Soo Kang
Summary: This review focuses on the identification, conversion, reaction kinetics, pathways, and mechanisms of intermediates, as well as the efficiency and selectivity of multicarbon product formations during photocatalytic and electrocatalytic CO2 reduction. Theoretical simulations and calculations provide deeper insights into this process. Future research directions and inspirations are also included to guide the integration of catalytic systems.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Chemistry, Multidisciplinary
Abu Talha Aqueel Ahmed, Sankar Sekar, Shubhangi S. Khadtare, Nurul Taufiqu Rochman, Bathula Chinna, Abu Saad Ansari
Summary: In this study, MnCo2S4 nanosheet catalyst was successfully synthesized and found to exhibit superior performance in hydrogen evolution. Compared to MnCo2S4, MnCo2S4 showed low overpotentials, moderate Tafel slope, and excellent sustainability. The outstanding performance can be attributed to the increased number of electrochemically active sites and enhanced electronic conductivity on the catalyst surface.
Article
Chemistry, Multidisciplinary
Victor V. Maltsev, Elena A. Volkova, Elizaveta V. Koporulina, Diana D. Mitina, Vladimir L. Kosorukov, Anna I. Jiliaeva, Daniil A. Naprasnikov, Konstantin N. Gorbachenya, Viktor E. Kisel
Summary: The phase relationships, crystal properties and luminescence kinetics of two complex systems were studied, including unit cell parameters, segregation coefficients of impurities, and lifetimes of energy levels.
Article
Chemistry, Multidisciplinary
Xiaoman Zhang, Wangwang Xu, W. J. Meng, Andrew C. Meng
Summary: This study successfully grew high-quality single crystal AlScN nanowires through ultra-high vacuum reactive sputtering technique and characterized their structure and properties. The nanowires exhibit significantly reduced mosaic spread and predominantly single ferroelectric domains, as well as a high piezoelectric constant.
Article
Chemistry, Multidisciplinary
Tom E. de Vries, Elias Vlieg, Rene de Gelder
Summary: Networks are important for describing relationships between people, roads between cities, reactions between chemicals, and other interactions. Bipartiteness, dividing the network into two groups, can facilitate the study of the network's structure. We have developed an algorithm that can find a near-optimal bipartisation within a reasonable time frame and used it to uncover the hidden structure of the CSD cocrystal network.
Article
Chemistry, Multidisciplinary
Chuchu Han, Jing Yang, Xin Zhang, Aisen Li, Jiang Peng
Summary: An elastic crystal based on a photo-reactive acylhydrazone derivative is reported, which exhibits reversible bending behavior under UV irradiation and heating. The crystal undergoes reversible E<->Z isomerization under light and heating conditions. The crystal demonstrates excellent elastic properties and the bending can be controlled to control the output direction of red light.
Article
Chemistry, Multidisciplinary
Lingfeng Zhang, Yu Wang, Yefeng Wang, Shuai Liu, Na Zhang, Mingmin Yang, Haixia Ma, Zhaoqi Guo
Summary: This study designs and synthesizes a series of high-energy salts compounds without heavy metal ions and azide groups. The molecular structures and stability of the compounds are confirmed through single-crystal X-ray diffraction and intermolecular interaction analysis. Furthermore, the thermal stability, energetic properties, and electrical initiation properties of the compounds are investigated, suggesting their potential as primary explosives.