Article
Chemistry, Physical
Kamalesh Debnath, Tanmoy Majumder, Suvra Prakash Mondal
Summary: This paper investigates the morphology, crystallinity, chemical bonds, and photoelectrochemical properties of vertically-oriented TiO2 nanorods. The TiO2 nanorods exhibit high photosensing behavior and photoconversion efficiency. The carrier decay lifetime, interfacial characteristics, and charge transport mechanism are explored using various experimental techniques.
Article
Chemistry, Physical
Qian Chen, Yi Wei, Xiaokun Zhang, Zhilin Yang, Fan Wang, Wei Liu, Jinghan Zuo, Xiaokang Gu, Yong Yao, Xingguo Wang, Feifei Zhao, Shubin Yang, Yongji Gong
Summary: In this study, vertically aligned Ti3C2Tx MXene nanosheet arrays were used to regulate Li metal nucleation and deposition, resulting in high Coulombic efficiencies and stability.
ADVANCED ENERGY MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Yongjun Kim, P. R. Deshmukh, Weon Gyu Shin
Summary: Vertically aligned ZnO nanowires developed on Pt coated Si-wafer exhibit high photocurrent density and water splitting efficiency under light illumination, making them promising photoelectrodes for solar energy applications.
Article
Electrochemistry
Chunyang Xu, Xuandong Kou, Dongdong Liu, Hai-Tao Fang
Summary: The study presents a simple method to construct a compact vertically aligned TiO2-graphene nanosheet electrode with a large thickness of 130 μm, which facilitates ion diffusion kinetics and electron transport. The electrode shows high volumetric and areal capacities for lithium-ion batteries, demonstrating the potential of vertically aligned architecture in 2D nanomaterial electrodes.
ELECTROCHIMICA ACTA
(2021)
Article
Engineering, Chemical
Lin Chen, Sudong Yang, Qian Zhang, Jie Zhu, Peng Zhao
Summary: The study integrated {001} facet TiO2 nanosheet arrays into a free-standing graphene foam, forming a highly efficient multifunctional TiO2/graphene foam photocatalyst that exhibited superior photocatalytic activity and high efficiency in recycling. The remarkable photocatalytic capability was attributed to the synergistic effects of intrinsic single crystalline TiO2 with high exposure of {001} facets and a good linkage between TiO2 and graphene, facilitating surface catalytic reactions and interfacial charge transfer.
SEPARATION AND PURIFICATION TECHNOLOGY
(2021)
Article
Chemistry, Multidisciplinary
Jia Fan, Xuan Zhao, Xinnan Mao, Jie Xu, Na Han, Hao Yang, Binbin Pan, Yongshen Li, Lu Wang, Yanguang Li
Summary: In this work, it is demonstrated that the galvanic replacement reaction is an effective method for preparing high-quality bismuthene nanosheet arrays, enabling the growth of small-thickness, large-surface-area bismuthene nanosheets on copper substrates, and achieving efficient CO2 reduction reactions.
ADVANCED MATERIALS
(2021)
Article
Materials Science, Multidisciplinary
Sung-Su Bae, Dong-Bum Seo, Roshani Awanthika Jayarathna, Sangyeob Lee, Eui- Tae Kim
Summary: This study demonstrates the fabrication of 2D MoS2 nanosheet/Ag2S heterostructures, which significantly enhances photocurrent and holds promise for various PEC applications.
Article
Chemistry, Physical
Mohammad Karimi Sahnesarayi, Saeed Rastegari, Hossein Sarpoolaky
Summary: The introduction of nanotechnology is promising for the fabrication of photoelectrodes, especially those based on two-dimensional materials. In this study, vertically aligned Bi2O3 nanosheet arrays were prepared using the Chemical Bath Deposition method. The physical and photoelectrochemical properties of the Bi2O3 nanosheet coatings were studied by varying the bath temperature and complexing agent concentration. The results showed that the bath temperature had a significant impact on the physical properties of the coatings, and the photoelectrode prepared at 60 degrees C exhibited the highest photocurrent density due to its lowest charge transfer resistance and narrowest bandgap.
SURFACES AND INTERFACES
(2022)
Article
Engineering, Environmental
Jiapeng Liu, Ning Gong, Wenchao Peng, Yang Li, Fengbao Zhang, Xiaobin Fan
Summary: The research team successfully fabricated a freestanding cathode composed of vertically aligned 1 T phase MoS2 nanosheet array on carbon cloth and investigated its performance in rechargeable aqueous Zn-ion batteries. The cathode demonstrated outstanding specific capacity and cycling stability, showing promise for high-performance cathode materials for large-scale energy storage.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Haifu Huang, Xiaochun Wei, Geng Wei, Faxin Yan, Liqing Yan, Yu Han, Shuaikai Xu, Xianqing Liang, Wenzheng Zhou, Jin Guo
Summary: The Ni-Co-Mo oxides composite materials exhibit good electrochemical performance with a unique nanostructure, achieving a high specific capacitance of 1837.7 F g(-1) at 1 A g(-1) and maintaining capacitance retention of 81.2% at 5 A g(-1). The fabricated hybrid capacitor also achieves high specific energy of 41.1 W h kg(-1), indicating its potential for application in supercapacitors.
JOURNAL OF ALLOYS AND COMPOUNDS
(2022)
Article
Electrochemistry
Hongxia Li, Hua Yang, Zhong Li, Xiaoyang Wang, Xianguo Liu, Sateesh Bandaru, Xuefeng Zhang
Summary: The FeNi3/TiO2 composite, consisting of vertically layered double hydroxide, exhibits a high density of active sites, promotes the exchange of ions and electrons, and synergistically suppresses the electron-hole recombination. The optimized composite shows a low overpotential and small Tafel slope, with no obvious current drop during stability testing. First-principles calculations demonstrate a synergistic effect of the FeNi3/TiO2 composite with the smallest theoretical overpotential.
ELECTROCHIMICA ACTA
(2021)
Article
Engineering, Environmental
Liangsheng Hu, Yong Li, Xiang Peng, Weiran Zheng, Wen Xu, Jinyang Zhu, Lawrence Yoon Suk Lee, Paul K. Chu, Kwok-Yin Wong
Summary: The study demonstrates the significant enhancement of photocatalytic performance of O-AuNRs/TiO2 architecture, increasing the hydrogen evolution rate of the TiO2 film by 58 times. The photocatalytic efficiency of O-AuNRs/TiO2 exceeds that of the TiO2 film supported by randomly oriented AuNRs by over five times.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Chemistry, Physical
Xiaoyu Lv, Danrui Pan, Song Zheng, Malik Zeeshan Shahid, Guocan Jiang, Jin Wang, Zhengquan Li
Summary: This study successfully fabricated a cost-effective and highly active photocatalyst for simultaneous reduction of CO2 to CO and oxidation of benzyl alcohol to benzaldehyde. The CsPbBr3/TiO2-001 heterojunctions exhibited boosted charge carrier kinetics and efficient utilization, resulting in an excellent bifunctional activity without employing any sacrificial agents. The development of perovskite-based heterostructures and the harnessing of redox potentials and charge carriers towards combined photocatalytic systems were highlighted.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Physical
Gangyang Lv, Liyuan Long, Xianchen Wu, Yu Qian, Gang Zhou, Feng Pan, Zhenyu Li, Dunhui Wang
Summary: Exploring semiconductor photoanodes with optimized carrier dynamics has always been an important goal in the field of photoelectrochemical energy conversion. In this study, by regulating the microstructure of layered semiconductor photoanodes, a vertically aligned ZnIn2S4 nanosheet array photoanode with highly exposed surface area and a two-phase coexisting 2D photoanode (H@R-ZIS) were successfully constructed. The H@R-ZIS photoanode exhibited excellent PEC performance, including high photocurrent, high IPCE, and a record ABPE, indicating the significance of phase and facet modulation strategy in designing and optimizing next-generation photoanodes.
APPLIED SURFACE SCIENCE
(2023)
Article
Materials Science, Multidisciplinary
Kyung Ho Kim, Kodai Numata
Summary: Nickel-cobalt (Ni-Co) hydroxide thin films were prepared on FTO-coated glass substrates using a wet-chemical method at low temperatures. The vertically aligned nanosheet-like structures formed a porous film, and their growth rate increased with temperature. The distribution of the structures became denser with increasing temperature and time. The Ni-Co hydroxide thin film grown at 90 degrees C for 8 h showed superior electrochemical performance compared to the sample grown at 75 degrees C for 8 h, indicating its potential as a cost-effective capacitance electrode.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
(2023)
Review
Chemistry, Multidisciplinary
Shan Chen, Huajie Yin, Porun Liu, Yun Wang, Huijun Zhao
Summary: Solar-energy-powered photocatalytic fuel production and chemical synthesis using halide perovskites as photocatalysts are discussed in this review. The challenges and advanced strategies to enhance stability and activity of halide perovskite photocatalysts (HPPs) are comprehensively reviewed. The potential applications of HPPs in efficient fuel production and chemical synthesis are highlighted, emphasizing their irreplaceable role in the field of photocatalysis.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Physical
Kun Zhao, Weiying Pang, Shuaiyu Jiang, Canyu Hu, Porun Liu, Dandan Cui, Xuefei An, Baojuan Tian, Chao Gao, Pan Zhang, Meng Tian, Dong Fu, Huijun Zhao
Summary: The coordination of oxygen atoms induces the reconstruction of catalytic sites, which is crucial for understanding the mechanism in dynamic catalytic processes. We demonstrated that the reconstructed catalytic sites on Co (CoP) surface showed improved activity and selectivity for photocatalytic CO2 reduction. In-situ Raman spectroscopy revealed the formation of reconstructive Co-O bond and the appearance of intermediate CO, providing insights into the relationship between catalytic site structure and photocatalytic properties. Density functional theory calculations further showed that the electronic structure of reconstructive surface sites enhanced the ability of CO2 adsorption and CO desorption, leading to reduced barrier energy for the rate-determining step and improved CO2 reduction performance.
Article
Green & Sustainable Science & Technology
Shengbo Zhang, Miaomiao Han, Tongfei Shi, Haimin Zhang, Yue Lin, Xusheng Zheng, Li Rong Zheng, Hongjian Zhou, Chun Chen, Yunxia Zhang, Guozhong Wang, Huajie Yin, Huijun Zhao
Summary: This research utilizes bacterial cellulose with rich oxygen functional groups to anchor iron and cobalt, realizing high density, atomically dispersed bimetallic active sites. The designed catalyst achieves remarkable ammonia yield rate and Faradaic efficiency.
NATURE SUSTAINABILITY
(2023)
Article
Chemistry, Multidisciplinary
Huijun Zhao, Yujie Xiong, Aijun Du, Wanbing Gong, Xin Mao, Jifang Zhang, Haimin Zhang, Yue Lin
Summary: A facile reductive pyrolysis approach was used to synthesize NiCo alloy nanoparticles supported on N-doped carbon nanotubes (N-CNTs) for electrocatalytic reactions. These NiCo@N-CNTs demonstrated excellent stability, selectivity, and efficiency in the production of precious azoxybenzene compounds. This research has great significance in various industries.
Article
Chemistry, Physical
Haiyu Wang, Linghui Peng, Guiying Li, Weiping Zhang, Zhishu Liang, Huijun Zhao, Taicheng An
Summary: Inactivation of bioaerosols is crucial in preventing the spread of microbial pathogens in the air. Traditional photocatalytic inactivation processes are time-consuming and generate insufficient reactive oxygen species (ROSs) to irreversibly inactivate bacteria. A new photocatalytic ozonation (PCO) system was developed in this study, utilizing NiFeOOH nanosheets on nickel foam and trace concentration of ozone. The PCO system demonstrated a remarkable inactivation efficiency of 99.99% within a short retention time of 8.07 s, with no bacteria surviving after 24 h cultivation. This novel PCO system offers a more efficient method for bioaerosol inactivation and reduces the risk of exposure.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Energy & Fuels
Linzhou Zhu, Jiapeng Ji, Huajie Yin, Huijun Zhao
Summary: In this study, a Cl- terminated MXene (Ti3C2Cl2) with high Cl- capacity and low Cl- diffusion barrier was synthesized as a cathode material for chloride-ion hybrid capacitors (CHCs). The Ti3C2Cl2 electrode exhibited a gravimetric capacity of 536 mAh center dot g-1 and a Coulombic efficiency of >99.5% after 1000 cycles of charge and discharge at a current density of 0.2 A center dot g-1. It also showed superior rate capability of 153.1 mAh center dot g-1 at 1 A center dot g-1 and 121.2 mAh center dot g-1 at 2 A center dot g-1, respectively.
Correction
Energy & Fuels
Linzhou Zhu, Jiapeng Ji, Huajie Yin, Huijun Zhao
Article
Chemistry, Physical
Yue Shen, Chun Chen, Zidan Zou, Zhi Hu, Zhen Fu, Wenchao Li, Shenglong Pan, Yunxia Zhang, Haimin Zhang, Zhixin Yu, Huijun Zhao, Guozhong Wang
Summary: Exploring the interactions among doping heteroatom, carbon and metal atoms can significantly enhance the catalytic performance and gain an insightful understanding of the heterogeneous catalysis mechanism. The N,P co-doped carbon-coated cobalt (Co@NPC) catalyst exhibits high selectivity and water-durability in aqueous-phase hydrogenation of cinnamaldehyde, with precise control of products by adjusting N and P doping. The synergy of geometry and electrons in Co@NPC di-heteroatoms allows for selective reduction of C=O, while Co@NC without P doping shows high activity but significant productivity of saturated alcohols under equivalent conditions. The electronegativity difference among N, C and P atoms enables interaction between electrons, adjusting the chemical states of the active metal and enhancing catalytic performance in hydrogenation.
JOURNAL OF CATALYSIS
(2023)
Review
Materials Science, Multidisciplinary
Weiying Pang, Shuaiyu Jiang, Yanli Sun, YuLin Zhong, Pan Zhang, Jiyu Zhou, Dong Fu, Kun Zhao, Huijun Zhao
Summary: The Ruthenium-Cobalt photocatalytic system (RCPS) is a leading candidate for integrating homocatalysis and heterocatalysis, and has gained significant research attention in photocatalytic CO2 reduction reaction (PCO2RR). The coordination environment of the catalytic site and the efficiency of electron transfer are crucial in determining the reaction pathways in PCO2RR, highlighting the importance of evaluating and guiding PCO2RR. This comprehensive review aims to provide a systematic examination of RCPS in CO2 reduction, discussing recent progress on the coordination effect of Ru-Co in homogeneous and heterogeneous photocatalysis systems. The review also covers advanced characterization techniques, challenges in first-principal density functional theory, and future perspectives for RCPS research.
MATERIALS RESEARCH BULLETIN
(2023)
Article
Multidisciplinary Sciences
Boqing Liu, Tanju Yildirim, Tieyu Lu, Elena Blundo, Li Wang, Lixue Jiang, Hongshuai Zou, Lijun Zhang, Huijun Zhao, Zongyou Yin, Fangbao Tian, Antonio Polimeni, Yuerui Lu
Summary: In this study, a variant of Plateau's law was observed in networks of atomically thin domes made of solid two-dimensional transition metal dichalcogenides (TMDs). Significant surface tension differences resulting from layer-dependent van der Waals (vdWs) interaction energies manifest in a fundamentally variant nature of the law.
NATURE COMMUNICATIONS
(2023)
Article
Chemistry, Multidisciplinary
Jun Ma, Jing Yu, Guangyu Chen, Yu Bai, Shengkun Liu, Yangguang Hu, Mohammad Al-Mamun, Yu Wang, Wanbing Gong, Dong Liu, Yafei Li, Ran Long, Huijun Zhao, Yujie Xiong
Summary: This study reports the synthesis of N-doped carbon-coated Co nanoparticles as a photothermal catalyst for CO2 hydrogenation. The catalyst exhibits remarkable activity and stability under full spectrum light illumination, providing a simple and efficient route for the preparation of highly active and durable nonprecious metal catalysts for promising photothermal catalytic reactions.
ADVANCED MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Ming Zhou, Tianling Li, Kaicai Fan, Yajie Shu, Porun Liu, Huijun Zhao
Summary: The ability to monitor ammonium/ammonia levels in coastal waters in real-time and continuously is crucial for assessing the impact of eutrophication on ecosystems. In this study, a membrane-based conductometric ammonia sensing probe (CASP) was used to monitor ammonia levels in coastal waters. The use of a boric acid/glycerol receiving phase helped overcome the analytical errors caused by high salinity. The findings showed that CASP can accurately monitor the dynamic changes in ammonia concentration in coastal waters over an extended period of time.
Review
Chemistry, Multidisciplinary
Yajie Shu, Mengqing Hu, Ming Zhou, Huajie Yin, Porun Liu, Haimin Zhang, Huijun Zhao
Summary: The global water crisis is a pressing challenge, and cost-effective and environmentally friendly water remediation technologies are crucial. Electrochemical advanced oxidation processes (EAOPs) using reactive species for oxidation have shown promise for on-site treatment of water with organic contaminants. Recent progress in nanotechnology has led to research on efficient and durable electrocatalysts/electrodes for EAOPs. This review provides an overview of wastewater treatment using electrochemical technologies, particularly EAOPs, and evaluates the state-of-the-art electrocatalysts and their impacts on efficiency, stability, and selectivity.
MATERIALS CHEMISTRY FRONTIERS
(2023)
Article
Chemistry, Multidisciplinary
Hui Xu, Shengbo Zhang, Xinyuan Zhang, Min Xu, Miaomiao Han, Li Rong Zheng, Yunxia Zhang, Guozhong Wang, Haimin Zhang, Huijun Zhao
Summary: The integration of oxygen-coordinated Fe single atoms and atom clusters using a tandem impregnation-pyrolysis-etching strategy shows superior electrocatalytic activity and selectivity towards two-electron oxygen reduction reaction (2e(-) ORR) to hydrogen peroxide (H2O2). The FeSAs/ACs-BCC electrocatalyst exhibits high-efficiency H2O2 production and coupling with electro-Fenton process for ethylene glycol valorization.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2023)
Article
Chemistry, Physical
Yu Zou, Seyedeh Alieh Kazemi, Ge Shi, Junxian Liu, Yuwei Yang, Nicholas M. Bedford, Kaicai Fan, Yiming Xu, Huaiqin Fu, Mengyang Dong, Mohammad Al-Mamun, Yu Lin Zhong, Huajie Yin, Yun Wang, Porun Liu, Huijun Zhao
Summary: Ru-SAs anchored on Ti3C2Tx exhibit excellent HER activity, especially under high current densities. Experimental and theoretical studies reveal that the superior HER electrocatalytic activity of Ru-SA@Ti3C2Tx results from the Ru-SAs enhanced H2O adsorption and dissociation, and promoted H-2 formation.