Article
Chemistry, Multidisciplinary
Chuang Han, Guanqun Han, Md Habibur Rahman, Arun Mannodi-Kanakkithodi, Yujie Sun
Summary: Visible-light-driven C-C bond formation utilizing ketyl radical (C-ketyl) species has attracted attention due to its direct synthesis route for complex molecules. However, current photocatalytic systems suffer from high cost and potential degradation, making product separation and purification challenging. This study demonstrates the use of readily accessible and inexpensive semiconductor ZnIn2S4 for efficient synthesis of industrially important chemicals through intramolecular cyclization and intermolecular cross-coupling reactions using ketyl radicals. Experimental and computational investigations provide mechanistic insights for these reactions on ZnIn2S4.
CHEMISTRY-A EUROPEAN JOURNAL
(2023)
Article
Chemistry, Physical
Jiabao Lv, Xihui Lu, Chucheng Zhou, Xierong Zeng, Ya-yun Li
Summary: This study designed a unique honeycomb structure composite of Bi2MoO6-OVS/ZnIn2S4, which contains ultrathin 2D ZnIn2S4 nanosheets and a rich content of oxygen vacancies. The composite exhibited excellent efficiency in the photocatalytic degradation of norfloxacin.
JOURNAL OF ALLOYS AND COMPOUNDS
(2023)
Article
Chemistry, Physical
Jiachao Xu, Wei Zhong, Feng Chen, Xuefei Wang, Huogen Yu
Summary: An in situ cascade growth-induced strong coupling interface between ReS2 and ZnIn2S4 nanolayers was developed to optimize the electron structure of S-active sites in ReS2 cocatalyst, greatly improving the H2-evolution efficiency of ZnIn2S4 photocatalyst.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Organic
Chen Xing, Zhou Xuan, Ji Xiaochen, Huang Huawen
Summary: The newly developed method for synthesizing thioether compounds utilizes oxidative dehydrogenation coupling reaction under visible light without the need for a metal catalyst, demonstrating high atomic economy and wide substrate applicability.
CHINESE JOURNAL OF ORGANIC CHEMISTRY
(2021)
Article
Chemistry, Physical
Xue Yin, Bolin Lv, Yan Kang, Xueqing Xu, Xuedi Lei, Li Li, Huan Wang, Hui Xi, Jing Yang, Zhiwang Yang
Summary: In this study, ZnIn2S4 micro-flowers with different self-assembly microstructures were successfully synthesized by solvent induced through one-step hydrothermal method and used for photocatalytic reactions. The results showed that ZIS-EG prepared with ethylene glycol as solvent exhibited the best photocatalytic activity, with a maximum conversion of 98% and a selectivity of 99% for 3,4-dihydroisoquinolines.
Article
Green & Sustainable Science & Technology
Shengjun Liu, Dianjun Chi, Rong Chen, Yan Ma, Huixue Fang, Kui Zhang, Bo Liu
Summary: Inspired by natural photosynthesis, we constructed a Z-scheme heterojunction with an N-doped C layer as an electron bridge to effectively improve photocatalytic hydrogen production performance on TiO2/ZnIn2S4. The T@NC-A/ZIS-72 heterojunctions exhibited significantly higher hydrogen production activity, approximately 12.1 and 97.9 times higher than ZnIn2S4 and TiO2@NC-A, respectively. The excellent electron migration ability of the carbon layer accelerated photocatalytic hydrogen production. Our design introduces a component to provide a dedicated charge transport pathway, offering a new perspective for enhancing photocatalytic performance.
Article
Chemistry, Physical
Xinwei Li, Yu Huang, Wingkei Ho, Shuwen Han, Pengge Wang, Shuncheng Lee, Zhuozhi Zhang
Summary: A Sv-ZnIn2S4-8/g-C3N4 (Sv-ZIS/CN) composite decorated with sulfur vacancies (Sv) was designed and fabricated for HCHO elimination. The in-situ growth of ZnIn2S4 (ZIS) on g-C3N4 (CN) led to the construction of heterojunction interface and generation of S-vacancies. The photocatalytic HCHO oxidation in the Sv-ZIS/5CN sample is kinetically favorable in the presence of abundant hydroxyl radicals (•OH) engaged in the successive C-H bond scission route.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Multidisciplinary
Yusuke Masuda, Misato Ito, Masahiro Murakami
Summary: This study reports a dehydrative/decarboxylative coupling reaction of carboxylic acids with allylic alcohols co-catalyzed by photoredox and palladium catalysts. The alpha-hetero- or aryl-substituted carboxylic acids and allylic alcohols directly participate in C-C bond formation without any functional group transformation.
Article
Chemistry, Multidisciplinary
Mitsuki Onoda, Ken-ichi Fujita
Summary: Esters and ethers are commonly used compounds in modern organic synthesis. The dehydrogenative coupling of primary alcohols for ester synthesis has recently been proposed as an environmentally friendly process. In this study, a new catalytic function switching system was successfully developed using a single iridium catalyst, enabling both dehydrogenative esterification and dehydrative etherification under environmentally friendly conditions.
Article
Chemistry, Physical
Huiqin An, Zhaotao Lv, Kun Zhang, Congying Deng, Hong Wang, Zongwei Xu, Meiri Wang, Zhen Yin
Summary: The study successfully enhanced the hydrogen production efficiency during the water splitting process by constructing the Au@Pt/ZIS photocatalyst, with experimental results showing its remarkable hydrogen production capability compared to ZIS.
APPLIED SURFACE SCIENCE
(2021)
Article
Chemistry, Applied
Jing-Yu Li, Ming-Yu Qi, Yi-Jun Xu
Summary: By fabricating Ni-doped ZnIn2S4 composite nanosheets, an effective solar-driven selective dehydrocoupling reaction was achieved to produce high-value products. The optimized electron structure and improved photoredox activity of ZIS/Ni enable various aromatic alcohols dehydrocoupling reactions.
CHINESE JOURNAL OF CATALYSIS
(2022)
Article
Materials Science, Multidisciplinary
Ming Li, Shuang Li, Yubao Li, Ping He, Yao Xiao, Jiufu Chen, Tongyan Ren
Summary: The ZnIn2S4/ZnS (ZIS/ZnS) binary hybrid photocatalysts were prepared by modifying ZnS with ZnIn2S4 using the hydrothermal method. Photocatalytic hydrogen evolution was conducted to evaluate the photocatalytic activity of the fabricated samples. The 5% ZIS/ZnS showed the best photocatalytic performance with a hydrogen generation rate of 8502 μmol g(-1)h(-1). The enhanced photocatalytic performance can be attributed to the introduction of ZnIn2S4, which possesses optimized structures, electronic structures, and efficient charge mobility and separation for light-harvesting and charge carrier transfer.
Article
Chemistry, Physical
Yuqing Ren, Yao Chen, Qingfei Zhao, Zhenmin Xu, Meijun Wu, Zhenfeng Bian
Summary: By utilizing a photocatalytic dissolution technique, specific crystalline facets on Pd NPs can be controllably exposed, leading to significant impact on selectivity and reaction activity. The top-down etching scheme selectively passivates the edges of single-crystal Pd nanocubes and exposes the {111} facets, resulting in an 84% increase in photocatalytic Suzuki coupling reaction yields. This technique is also applicable to improve the activity of commercial Pd/C and Pd/Al2O3 catalysts, and is expected to pave a new path in the field of nanoparticle crystallographic conversion.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Multidisciplinary
Zhenghong Zhou, Jimin Yang, Bo Yang, Yang Han, Lijuan Zhu, Xiao-Song Xue, Feng Zhu
Summary: This study presents a pioneering example of nickel-catalysed enantioconvergent Stille cross-coupling reactions. The reactions result in the formation of C-C bonds in good to high yields with excellent stereoselectivity, providing a practical and cost-effective method for synthesis. The innovative use of synergistic photoredox/nickel catalysis enables a novel single-electron transmetalation process, opening up new research possibilities in the field of Stille reactions.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Multidisciplinary
Yanmei Guo, Yongbing Lou, Jinxi Chen, Yixin Zhao
Summary: Lead-free double perovskite nanocrystals show high efficiency in photocatalysis, with improved performance achieved through rational control of surface ligands. The results indicate significant potential for organic synthesis and chemical transformations.
Article
Chemistry, Multidisciplinary
Lulu Sun, Yike Huang, Shiyang Liu, Xiumei Liu, Nengchao Luo, Feng Wang
Summary: In this study, we show the scission of strong ether C-O bonds promoted by low-work-function Cd single atoms and clusters as photocatalysts. Their loading on ZnS facilitates the breaking of C-H bonds, thus weakening the C-O bond for chemical bond breaking.
CHEMICAL COMMUNICATIONS
(2023)
Article
Chemistry, Multidisciplinary
Fengan Han, Yanting Liu, Guangyi Li, Lin Yuan, Aiqin Wang, Feng Wang, Tao Zhang, Ning Li
Summary: Zinc molybdate with a disordered layered stacking structure was prepared using an evaporation method and demonstrated excellent catalytic performance for selectively converting lignocellulose-derived ketones to olefins. The outstanding catalytic performance was attributed to its porous structure, higher oxygen vacancy concentration, and higher acidity. Additionally, it also exhibited good catalytic performances for other lignocellulose-derived ketones.
Article
Chemistry, Physical
Puning Ren, Zhuyan Gao, Tiziano Montini, Zhitong Zha, Na Ta, Yike Huan, Nengchao Luo, Emiliano Fonda, Paolo Fornasiero, Feng Wang
Summary: Biomass reforming using solar energy allows for the production of green hydrogen. Current biomass photoreforming inefficiently produces hydrogen due to intermittent solar light and incomplete degradation of biomass C-C bonds. This study overcomes these issues by converting carbohydrates into liquid hydrogen carriers (LHCs) suitable for transportation. The LHCs are then fully decomposed, releasing only H2 and CO2. By prioritizing complete scission of carbohydrate C-C bonds, this process yields 44 g of H2 per kg of glucose. This work demonstrates the production and storage of hydrogen through the complete breakdown of biomass C-C bonds.
Review
Chemistry, Multidisciplinary
Min Wang, Feng Wang, Hongru Zhou
Summary: Biomass exploration is an important topic in renewable energy research. Photocatalytic valorization of biomass into fuels and chemicals is a promising and sustainable method. This article provides a comprehensive review of the research direction of photocatalytic reforming of biomass into syngas (CO + H2) and discusses various strategies and challenges in this field.
ACCOUNTS OF CHEMICAL RESEARCH
(2023)
Article
Chemistry, Multidisciplinary
Qingchun Xu, Puning Ren, Yang Peng, Nengchao Luo, Zhuyan Gao, Caixia Meng, Jian Zhang, Feng Wang
Summary: In this study, a catalytic Ni complex was designed to work synergistically with TiO2, enabling the reductive coupling of IEO powered by photo-energy. This photocatalytic process provides 1,4-butanediol with high selectivity.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Review
Chemistry, Multidisciplinary
Chaofeng Zhang, Yongcan Jin, Feng Wang, Xiaojun Shen, Jinlan Cheng, Cheng Cai
Summary: This review summarizes the strategies and methods for lignin depolymerization into aromatic chemicals, including traditional methods such as pyrolysis, gasification, liquid-phase reforming, solvolysis, chemical oxidation, and newly developed processes like redox-neutral, biocatalysis, and combinatorial strategies. The mechanisms and key intermediates involved in these strategies are discussed. This review provides a comprehensive overview of lignin depolymerization research, offering useful suggestions for further advancements in this field.
Article
Chemistry, Physical
Kun Zhang, Qiang Guo, Yehong Wang, Pengfei Cao, Jian Zhang, Marc Heggen, Joachim Mayer, Rafal E. Dunin-Borkowski, Feng Wang
Summary: In this work, selective ethylene carbonylation to 3-pentanone was achieved using in situ produced hydrogen via a water-gas shift (WGS) reaction on a defective ceria-supported Rh catalyst. The interface of Rh/CeO2 activates water, CO, and ethylene, facilitating the WGS reaction and ethylene carbonylation. A redox pathway for the WGS reaction was proposed based on in situ FTIR results, and water was confirmed as the hydrogen source for ethylene carbonylation through mass spectrometry (MS) study.
Article
Chemistry, Multidisciplinary
Yafei Liang, Yehong Wang, Zhixin Zhang, Jianyu Han, Jian Zhang, Yuda Zhang, Feng Wang
Summary: A Sn-modified CeO2 catalyst with high catalytic performance in the selective conversion of biomass-derived acetone-n-butanol-ethanol (ABE) fermentation was synthesized via a facile ball milling-pyrolysis strategy. The conversion rate of ABE reached 95% with a liquid selectivity of 82% for 4-heptanone, which was superior to other Sn-modified CeO2 catalysts obtained by conventional methods.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Article
Nanoscience & Nanotechnology
Xuezhong Nie, Yehong Wang, Junju Mu, Jianyu Han, Huixiang Li, Nengchao Luo, Zhipeng Huang, Qiang Guo, Ning Li, Jian Zhang, Ning Li, Feng Wang
Summary: In this study, a method for tunable redistribution of CuOx nanoparticles on rutile TiO2 support is presented by adding TiO2 with different work functions. The addition of rutile TiO2 promotes the aggregation of CuOx nanoparticles, leading to increased particle size and electron density, resulting in higher conversion efficiency of nitrobenzene.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Multidisciplinary
Puning Ren, Yue Zhou, Kaiyi Su, Lulu Sun, Nengchao Luo, Feng Wang
Summary: In this study, a CuOx-loaded Nb2O5 photocatalyst was designed, which selectively catalyzes the oxidation of furfural to produce maleic anhydride and its precursor. By loading CuOx and forming a complex, the catalyst can efficiently absorb visible light to activate furfural, leading to C-C bond cleavage and CO generation. This method provides a mild approach for the production of renewable maleic anhydride.
CHEMISTRY-AN ASIAN JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Jianyu Han, Jingyi Yang, Zhixin Zhang, Xunzhu Jiang, Wei Liu, Botao Qiao, Junju Mu, Feng Wang
Summary: This research presents a holistic design strategy for multicomponent alloy catalysts and demonstrates the importance of strong metal-support interaction. By establishing a metal atom transport pathway, PtPdCoFe MA with excellent catalytic activity and stability is successfully synthesized at low reduction temperature, and the role of SMSI in the formation of alloy nanoparticles on reducible oxides is revealed.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Chemistry, Physical
Yuting Liu, Huifang Liu, Ning Li, Feng Wang
Summary: This study reports a novel photocatalytic strategy for the oxidative C-C cleavage of lignin and β-O-4 derivatives using photoredox organocatalysts. High yields of aromatic aldehydes and phenyl formate were obtained, and mixed binary organic solvents were shown to promote bond cleavage and inhibit over-oxidation side reactions. The absorbance, excitation, and interaction with the lignin model of the photocatalyst in different solvents were investigated, and a C-centered radical intermediate was captured, providing evidence for the direct Cα-Cβ bond cleavage mechanism.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Physical
Jianyu Han, Zhixin Zhang, Zhuoran Xu, Lunhua He, Feiran Shen, Yehong Wang, Xuebin Liu, Meiling Guo, Zaihong Guan, Feng Wang
Summary: The interfaces in heterogeneous catalysts have a crucial role in their performances by providing active sites through synergistic effects or modulating the state of active sites. Constructing abundant interfaces in heterogeneous catalysts is challenging due to the high dispersion required for all catalyst compositions involved in substrate activation. A surface reduction strategy is proposed as a solution to this challenge, where a pyramid-type catalyst, (Pt/4nmCeO(2))/SiO2, with maximized interfacial Pt-CeO2 sites is created. This work aids in the development of heterogeneous catalysts by enabling a high level of control over the local chemical environment within nanomaterials.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
Article
Chemistry, Physical
Kun Zhang, Qiang Guo, Yehong Wang, Pengfei Cao, Jian Zhang, Marc Heggen, Joachim Mayer, Rafal E. Dunin-Borkowski, Feng Wang
Summary: In this study, selective ethylene carbonylation to 3-pentanone was achieved using in situ produced hydrogen via a water-gas shift reaction. The interface of Rh/CeO2 activates water, CO, and ethylene and promotes subsequent reactions, including the water-gas shift reaction and ethylene carbonylation. The hydrogen generated from the water-gas shift reaction suppresses hydrogenation and promotes ethylation.
