Article
Chemistry, Multidisciplinary
T. Zhang, Y. Chen, X. Yang, J. Chen, J. Zhong, J. Li, M. Li, Z. Wan
Summary: The preparation of OVs-rich Pd/N-TiO2 by a sol-gel method can improve the energy band structure of TiO2 and enhance its photocatalytic properties. The combination of surface plasmon resonance effect, N doping, and abundant OVs plays a synergistic role in efficiently separating photoinduced charge pairs and improving the photocatalytic performance of the catalysts.
MATERIALS TODAY CHEMISTRY
(2023)
Article
Chemistry, Physical
Cai Yang, Yuanxiang He, Yanbai Chen, Junbo Zhong, Jianzhang Li
Summary: Bi2S3/BiOCl nanoparticles with excellent photocatalytic capacity were in-situ construct by a hydrothermal approach using 3-mercaptopropionic acid, which exhibited 2.5 and 2.9 times higher catalytic capability than BiOCl for the removal of Rhodamine B and Cr (VI) respectively.
CHEMICAL PHYSICS LETTERS
(2022)
Article
Energy & Fuels
Kaiyue Gao, Haibao Zhu, Chengming Zhang, Xiaojie Song, Li Lao, Liping Ni, Jianli Chen, Congliang Cheng, Xiufang Wang
Summary: This study explores new strategies to improve the nitrogen fixation performance of catalysts by constructing Bi metal active sites on the surface of BiOBr/BiOI heterojunction. The ternary BiOBr/BiOI/Bi catalyst demonstrates excellent photocatalytic reduction of nitrogen to ammonia, with a nitrogen reduction rate significantly higher than that of pure BiOBr and BiOBr/BiOI. The study also proposes a mechanism for the photocatalytic nitrogen fixation of the BiOBr/BiOI/Bi.
Review
Chemistry, Multidisciplinary
Lion Schumacher, Roland Marschall
Summary: This article reviews the recent trends in semiconductor heterojunctions and Z-schemes in hydrogen generation and water splitting, highlighting the need for charge carrier separation. It also includes recent material trends and new combinations.
TOPICS IN CURRENT CHEMISTRY
(2022)
Article
Engineering, Environmental
Changye Mang, Guanghui Li, Jun Luo, Mingjun Rao, Zhiwei Peng, Tao Jiang
Summary: This study enhances the photocurrent and charge separation efficiency of photocatalysts by constructing heterostructures, resulting in high catalytic activity under visible light. The photocatalysts showed excellent performance in the degradation of pollutants.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2022)
Article
Chemistry, Physical
Bing-Miao Zhang, Yong Li, Xu-Long Pang, Yang Qu, Zhi-Jun Li, Qi Zhao, Yi Zhang, Yan Zhu, Peng-Xue Zhang, Chuan-Li Qin
Summary: In this study, polymer semiconductor/g-C3N4 heterojunctions were successfully synthesized by a simple wet-chemical method, leading to a 8.7-fold enhancement in photocatalytic hydrogen production. The enhanced performance is mainly attributed to the transfer of electrons from g-C3N4 to the polymer semiconductor, facilitated by hydrogen bonding interactions at the interface.
Article
Green & Sustainable Science & Technology
D. Panchal, A. Sharma, S. Pal
Summary: Two-dimensional MoS2 has great potential as a photocatalytic material for water treatment, but its pristine nanostructure has limitations due to high recombination rate. This review summarizes the strategies used to improve the photocatalytic performance of MoS2, including scaling down to few/mono nanosheets, constructing heterojunctions with other materials, and defect engineering. The review also discusses the misinterpretation of charge transfer in heterojunctions and the generation of reactive species. Furthermore, recent progress in MoS2-based photocatalytic systems for environmental remediation is discussed, along with future research directions for designing superior photocatalysts.
MATERIALS TODAY SUSTAINABILITY
(2023)
Article
Materials Science, Multidisciplinary
Yang Yang, Jie Lu, Zhichun Ma, Yi Zhao, Shuang Wang, Kai Ge, Yongfang Yang
Summary: Two dimensional CuTCPP/B-TiO2 composites were synthesized by adding B-TiO(2)NPs to the system for preparing 2D CuTCPP nanosheets under hydrothermal condition. The 2D CuTCPP nanosheets act as a supportor to decrease the aggregation of B-TiO2 and improve the adsorption capacity of MB, and also provide more transfer pathway to effectively facilitate interfacial charge transfer and separation of photogenerated electrons and holes, leading to a superior efficiency for photodegradation of MB.
JOURNAL OF MATERIALS SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Mengxi Tan, Yuan Ma, Chengye Yu, Qingjie Luan, Junjie Li, Chuanbao Liu, Wenjun Dong, Yanjing Su, Lijie Qiao, Lei Gao, Qipeng Lu, Yang Bai
Summary: The construction of an ultrathin 2D ZnIn2S4/g-C3N4 Z-scheme heterojunction through in-situ growth of ZnIn2S4 on g-C3N4 allows for greatly improved hydrogen evolution performance by carefully regulating the interface structure. The optimized photocatalyst demonstrates significant photocatalytic activity without Pt, attributing to the synergistic effect of abundant active sites, enhanced photoresponse, and valid interfacial charge transfer channels. Spectroscopic analyses and density functional theory (DFT) calculations confirm that the enhanced photocatalytic performance is also due to promoted interfacial charge separation in the 2D Z-scheme heterojunction.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Inorganic & Nuclear
Chunyan Wang, Xin Kang, Jiancong Liu, Dongxu Wang, Nan Wang, Jie Chen, Jing Wang, Chungui Tian, Honggang Fu
Summary: In this study, ultrathin black TiO2 nanosheet-assembled microspheres with high thermal stability were prepared using small amine molecules as protective agents. The hydrogenation treatment resulted in surface Ti3+ and bulk oxygen vacancies, narrowing the bandgap and extending the photoresponse from UV to visible-light region. The black TiO2 nanosheet-assembled microspheres exhibited an excellent solar-driven photocatalytic hydrogen evolution rate, which is attributed to their high specific surface area and efficient hydrogenation.
INORGANIC CHEMISTRY FRONTIERS
(2023)
Article
Energy & Fuels
Yifan Shao, Xuqiang Hao, Zhiliang Jin
Summary: A double S-scheme ZIF-67@GDY/CuI heterojunction is prepared, which shows improved photocatalytic performance. The optimized ZIF-67@GDY/CuI-20 exhibits a hydrogen production rate 4.75 times higher than the unmodified ZIF-67 under visible light irradiation.
Article
Chemistry, Analytical
Bing Yang, Yue Song, Yang Song, Ziyu Ma, Jianbo Sun
Summary: MoSe2 nanosheets were synthesized successfully using solvothermal method and modified with TiO2 QDs to construct P-N heterostructures with the advantage of quantum dot constraint effect. Under the excitation of ultraviolet light, the developed heterojunction can effectively promote the separation and transfer of the generated charges, enhancing the room temperature sensitivity of the material for NO2 detection.
SENSORS AND ACTUATORS B-CHEMICAL
(2023)
Article
Chemistry, Multidisciplinary
Bingrong Guo, Bin Liu, Chaoli Wang, Yuhua Wang, Shu Yin, Weihua Han
Summary: The recombination of photocarriers is a crucial factor affecting the performance of photocatalysts. The design of heterojunction photocatalysts can effectively inhibit the recombination by enhancing photocarrier separation and transport. In this study, a Z-scheme WS2/In2S3 photocatalyst with a bi-layered sheet-like structure was synthesized. The unique architecture of this photocatalyst reduced the charge transfer distance and provided more surface area, promoting the photocatalytic reaction. The Z-scheme structure effectively separated and retained the strong redox capability of the photocarriers, resulting in remarkable photocatalytic activity for H-2 generation and tetracycline hydrochloride degradation. The Z-scheme WS2/In2S3 composite showed the highest H-2 generation rate of 592.9 mu mol g(-1) h(-1) and the best degradation efficiency of 90% within 60 min. The bi-layered Z-scheme photocatalyst also demonstrated excellent stability and recyclability.
NEW JOURNAL OF CHEMISTRY
(2022)
Article
Chemistry, Inorganic & Nuclear
Ikram Ullah, Cong Ling, Jing-Han Li, Xiao-Jie Lu, Zhengkun Yang, Gang Wang, An-Wu Xu
Summary: The article reports a g-C3N4/TiN plasmonic nanocomposite photocatalyst constructed from graphitic carbon nitride (g-C3N4) and metallic plasmonic titanium nitride nanoparticles (TiN NPs). TiN NPs act as both light absorption antenna and hot electron donors, enhancing the photocatalytic H-2 evolution from water splitting under visible and NIR light regions. The nanocomposite shows high photocatalytic activity under visible and NIR light illumination.
INORGANIC CHEMISTRY FRONTIERS
(2023)
Article
Chemistry, Multidisciplinary
Rongchen Shen, Neng Li, Chaochao Qin, Xiuzhi Li, Peng Zhang, Xin Li, Junwang Tang
Summary: This study presents a novel phosphorus-incorporated Covalent Triazine Framework (PCTF) heterostructure, which significantly reduces the exciton binding energy and promotes the dissociation of excitons. The introduction of phosphorus and the formation of Z-scheme heterojunctions enhance the electric field and improve the migration and separation of photogenerated electrons, resulting in a high photocatalytic H-2-evolution rate.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Physical
Xi Qin, Jing Teng, Wenyao Guo, Lei Wang, Shuning Xiao, Qunjie Xu, Yulin Min, Jinchen Fan
Summary: This study demonstrates the improved electrocatalytic activity of NiFe LDH towards OER by applying an external magnetic field. The results show a significant reduction in overpotential and Tafel slope of NiFe LDH under a magnetic field of 200 mT. The magnetic field enhancing effect is likely derived from magnetohydrodynamic effects, charge transfer effects, and alignment of magnetic moments of NiFe LDH.
Article
Materials Science, Ceramics
Linglong Chen, Ying Tao, Huan Shang, Zhong Ma, Shuangjun Li, Haiyan Cao, Qian Li, Guisheng Li, Hexing Li, Shuning Xiao, Dieqing Zhang
Summary: This article reports an effective strategy to quickly synthesize electrode materials for lithium-ion batteries (LIBs) using a microwave-assisted hydrothermal method. The synthesized rutile TiO2 nanorods grown carbon nanotubes (R-TiO2 NR@CNTs) show excellent lithium storage performance with higher initial discharge capacity and excellent cycling performance. This may be attributed to the shortened electron transfer distance via one-dimensional pathways along the carbon nanotubes and nanorods.
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY
(2022)
Article
Green & Sustainable Science & Technology
Shuning Xiao, Xiuwen Zhao, Suya Liu, Yuhua Xue, Guisheng Li, Junhe Yang
Summary: The solid-phase microwave thermal shock strategy has been used to fabricate rGO-CuOx composites with excellent photothermal performance and anti-salt, anti-bacterial properties, providing a basis for seawater desalination and purification.
ADVANCED SUSTAINABLE SYSTEMS
(2022)
Article
Chemistry, Multidisciplinary
Zichao Lian, Zhao Li, Fan Wu, Yueqi Zhong, Yunni Liu, Wenchao Wang, Jiangzhi Zi, Weiwei Yang
Summary: Efficient charge separation following a photogenerated hole-transfer band-trap pathway is achieved in the ternary composite Pt@NH2-UiO-66/CdS, resulting in enhanced photocatalytic hydrogen evolution with good stability and a quantum efficiency of 40.3% at 400 nm irradiation.
COMMUNICATIONS CHEMISTRY
(2022)
Review
Chemistry, Multidisciplinary
Chengpeng He, Xiuwen Zhao, Mengjia Huo, Wenrui Dai, Xuejian Cheng, Junhe Yang, Yingchun Miao, Shuning Xiao
Summary: This review summarizes the important role of metal-organic frameworks (MOFs) in the capture and catalytic conversion of industrial exhaust gases. The key points include surface modification, interface promotion, and structure optimization. These findings are valuable for the design and development of MOFs with excellent exhaust gas treatment performance.
Article
Green & Sustainable Science & Technology
Zichao Lian, Yoichi Kobayashi, Junie Jhon M. Vequizo, Chandana Sampath Kumara Ranasinghe, Akira Yamakata, Takuro Nagai, Koji Kimoto, Katsuaki Kobayashi, Koji Tanaka, Toshiharu Teranishi, Masanori Sakamoto
Summary: Solar radiation is an abundant renewable energy source, but its utilization efficiency is low due to the presence of infrared light. This study demonstrates a plasmonic copper sulfide/cadmium sulfide heterostructure that can efficiently convert infrared radiation into visible light, enabling photocatalytic reactions with stable activities for one week.
NATURE SUSTAINABILITY
(2022)
Article
Chemistry, Multidisciplinary
Zhao Li, Jiangzhi Zi, Xue Luan, Yueqi Zhong, Minghan Qu, Yuzhe Wang, Zichao Lian
Summary: Combining metal nanoparticles with localized surface plasmon resonance (LSPR) with metal-organic framework (MOF)-based photocatalysts is an effective way to enhance the separation of electron-hole pairs. In this study, Au@NH2-UiO-66/CdS composites were synthesized by encapsulating Au nanoparticles with LSPR into NH2-UiO-66 nanocages and growing CdS nanoparticles on the surface. The composites exhibited higher photocatalytic activity in hydrogen evolution reaction compared to NH2-UiO-66/CdS and CdS alone under visible-light irradiation. The study also revealed the important role of MOF in transferring electrons and receiving hot electrons generated from plasmonic Au in Au@MOF/CdS composites to enhance the photocatalytic performance.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Xue Luan, Ziqi Yu, Jiangzhi Zi, Fangfang Gao, Zichao Lian
Summary: This study proposes the rational design of a dual S-scheme heterojunction in lychee-shaped W18O49/CdWO4/CdS nanostructures to achieve high photocatalytic activity in hydrogen evolution reaction (HER) under visible light irradiation. The significant activity of W18O49/CdWO4/CdS in photocatalytic HER is attributed to its unique structure, effective charge separation by the photoinduced defect-transit dual S-scheme mechanism, and strong internal electric field. X-ray photoelectron spectroscopy (XPS), femtosecond transient absorption (fs-TA) spectroscopy, and electron paramagnetic resonance (EPR) measurements further confirm the dual S-scheme mechanism in the photoinduced carrier transfer pathways. This research provides a new strategy for designing dual S-scheme heterojunctions to improve photocatalytic performance through defect band structure engineering.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Youkun Sun, Suxin Qiu, Ziwei Fang, Junhe Yang, Xueling Song, Shuning Xiao
Summary: The development of efficient photothermal desalination devices is crucial for solving the freshwater shortage problem. Extensive research has been conducted on the design and preparation of efficient photothermal materials with broad light absorption range. However, the performance of photothermal catalysts for purifying complex seawater still faces significant challenges.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Article
Chemistry, Physical
Yueqi Zhong, Mengyuan Li, Xue Luan, Fangfang Gao, Hanxiang Wu, Jiangzhi Zi, Zichao Lian
Summary: The effects of different band alignments in semiconducting heteronanosheets (HNSs) on photocatalytic water splitting were investigated. The results showed that ZnSe-based HNSs exhibited higher photocatalytic activity compared to ZnS-based HNSs, due to the S-scheme mechanism formed by internal electric field rather than the defect trapping-mediated transfer mechanism. Moreover, the long-lived carrier separation and efficient charge transfer pathways of ZnSe-based HNSs contributed to their superior photocatalytic performance.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Multidisciplinary
Zichao Lian, Fan Wu, Jiangzhi Zi, Guisheng Li, Wei Wang, Hexing Li
Summary: Efficient utilization of infrared light is achieved by the discovery of CuS@ZnS shell nanocrystals with strong localized surface plasmon resonance (LSPR) characteristics. These nanocrystals exhibit enhanced photocatalytic activity in hydrogen evolution reaction (HER) and possess high activity and stability under near-infrared light irradiation. The plasmon-induced defect-mediated carrier transfer (PIDCT) at the heterointerfaces of the nanocrystals provides a viable strategy for tuning LSPR-generated carrier kinetics and improving photocatalytic performance.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Chemistry, Physical
Yuzhe Wang, Yueqi Zhong, Jiangzhi Zi, Zichao Lian
Summary: In this study, CdSe@CdS@ZnS heterojunction nanocrystal hybrids were designed to improve the photoluminescence performance of conventional single-component quantum dots. The results demonstrate that the energy band structure is transformed and the photoluminescence lifetime and quantum efficiency are increased after the growth of ZnS.
Article
Chemistry, Multidisciplinary
Jieting Sun, Yuchuan Guan, Guangzhi Yang, Suxin Qiu, Honglei Shao, Yi Wang, Guisheng Li, Shuning Xiao
Summary: Green and mild sunlight-driven photocatalysis is a promising technology for addressing climate and energy issues. This study demonstrates the use of Cu-doped ZnS and NH2-UiO-66 to create composite photocatalysts, which improve the efficiency of CO2 reduction reactions.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Article
Chemistry, Physical
Chen Sun, Kunfeng Zhao, Adam Boies, Shuning Xiao, Zhiguo Yi
Summary: A highly active and stable NiO nanocrystalline decorated on ZnO-CoNi solid solution catalyst is reported, which achieves 88% photocatalytic conversion of methane to CO2 and H2O under ambient conditions. The excellent performance of the catalyst originates from the high mobility of surface lattice oxygen of supported NiO nanocrystallines driven by the photogenerated electrons and internal electric field of ZnO-CoNi solid solution. Moreover, even at high methane concentrations up to 5000 ppm, the methane conversion of the catalyst remains above 37%, showing promise for methane elimination applications near large methane emission sources.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Physical
Fangfang. Gao, Han Xiao, Jiarui Yang, Xue Luan, Duoduo Fang, Lei Yang, Jiangzhi Zi, Zichao Lian
Summary: Tuning the electron density and enhancing synergistic effects through doping engineering can improve the catalytic activity of gC3N4-based photocatalysts under visible light irradiation.
APPLIED CATALYSIS B-ENVIRONMENT AND ENERGY
(2024)
