Article
Chemistry, Physical
Zengqing Zhuo, Kehua Dai, Ruimin Qiao, Rui Wang, Jinpeng Wu, Yali Liu, Jiayue Peng, Liquan Chen, Yi-de Chuang, Feng Pan, Zhi-xun Shen, Gao Liu, Hong Li, Thomas P. Devereaux, Wanli Yang
Summary: By evaluating the Mn and O states in Li2MnO3, it is found that Mn(III/IV) redox dominates the reversible bulk redox, while surface reactions contribute to the initial charge plateau with oxygen release and carbonate decomposition. The absence of lattice oxygen redox in Li2MnO3 questions the origin of oxygen redox in Li-rich compounds, suggesting opportunities for using alkali-rich materials for catalytic reactions.
Article
Green & Sustainable Science & Technology
Zhenguo Cheng, Xiang Ma, Suwei Mou, Yi Zhang, Fang Wu, Yong Xiang, Xiaokun Zhang
Summary: This study explores a dual doping scheme based on Ru and Al to improve the cyclability of LiCoO2 at high voltages, resulting in higher energy density and capacity retention.
ADVANCED SUSTAINABLE SYSTEMS
(2023)
Article
Chemistry, Multidisciplinary
Dongho Kim, Jaejin Hwang, Pilgyu Byeon, Wonsik Kim, Dong Gyu Kang, Hyung Bin Bae, Sang-Gil Lee, Seung Min Han, Jaekwang Lee, Sung-Yoon Chung
Summary: Since the recognition of the significant oxygen-redox contribution to Li transition-metal oxide cathodes' capacity enhancement, the issues of oxygen release, structural variations, and capacity fading have become critical for achieving better electrochemical performance. This study utilizes nanoindentation and surface polishing to investigate the local variations of atomic structure and oxygen content in LiCoO2 and Li2MnO3. The findings provide direct evidence of oxygen release due to lattice strain and suggest the importance of efficient strain relaxation for the longevity of the anion framework in layered oxide cathodes.
ADVANCED MATERIALS
(2023)
Review
Chemistry, Multidisciplinary
Ernest Pastor, Laura Montanes, Ana Gutierrez-Blanco, Franziska S. Hegner, Camilo A. Mesa, Nuria Lopez, Sixto Gimenez
Summary: This review discusses the impact of crystal facets and disorder on photoelectrochemical reactivity, highlighting how crystal orientation influences the energetics and transport of reactive charges, ultimately determining PEC activity. The evaluation of facet stability on the tendency for solid reconstruction during catalytic processes is also emphasized, as well as the experimental and computational challenges that need to be overcome to characterize the role of exposed facets and disorder in catalytic performance.
Article
Chemistry, Physical
Dazhong Zhong, Tan Li, Dong Wang, Lina Li, Jiancheng Wang, Genyan Hao, Guang Liu, Qiang Zhao, Jinping Li
Summary: This paper introduces partially oxidized CoFe-OH with enhanced covalency of M-O bonds as an efficient electrocatalyst for OER in neutral electrolyte. The enhanced M-O covalency shifts the OER mechanism to lattice oxygen oxidation mechanism in PO-CoFe-OH, promoting rate-limiting deprotonation and providing superior OER performance. It only requires overpotentials of 186 and 365 mV to achieve current density densities of 1 and 10 mA.cm(-2) in 0.1 M KHCO3 aqueous solution (pH = 8.3), showing a new approach for designing efficient catalysts for water oxidation in mild conditions.
Article
Chemistry, Physical
Zengqing Zhuo, Kehua Dai, Jinpeng Wu, Liang Zhang, Nobumichi Tamura, Yi-de Chuang, Jun Feng, Jinghua Guo, Zhi-xun Shen, Gao Liu, Feng Pan, Wanli Yang
Summary: This study re-evaluated the redox reactions in Li2RuO3 and found both Ru and O redox to be highly reversible, contrasting with other Li2MO3 systems. The critical role of transition metals and their coupling to oxygen in maintaining reversible oxygen redox activities for high-energy batteries was highlighted through this research.
ACS ENERGY LETTERS
(2021)
Article
Engineering, Chemical
Xu-Feng Zang, Shengchen Yang, Ying Zou, Yingying Zhang, Tao Huang, Hui-Ling Xia
Summary: In recent years, there have been extensive reports on improving the high-voltage performance of lithium-ion batteries using LiNi0.5Co0.2Mn0.3O2 and artificial graphite. However, little attention has been paid to the effects of charge and discharge rates and charge limit currents on the cyclability of NCM523/AG cells. Through comprehensive investigations on a 1.9 Ah NCM523/AG pouch cell, it is found that cycling performances are strongly influenced by charge rate, followed by limit current and discharge rate. The deterioration of NCM523 cathodes and the catalytic effects of deposited transition metals on AG anodes are identified as possible failure reasons.
Review
Chemistry, Multidisciplinary
Xiaopeng Wang, Haoyin Zhong, Shibo Xi, Wee Siang Vincent Lee, Junmin Xue
Summary: This article provides a comprehensive review of the oxygen redox process in the oxygen evolution reaction (OER) through lattice oxygen oxidation mechanism (LOM), and discusses the characterization techniques used to identify the oxygen redox. It explains the critical advantage and underlying science of LOM compared to the traditional adsorbate evolution mechanism (AEM) in generating higher OER activities. The article also provides insights into future developments in LOM electrocatalysts.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Qiyu Lian, Lingling Hu, Dingren Ma, Yimu Jiao, Dehua Xia, Yajing Huang, Zhuoyun Tang, Wei Qu, Huinan Zhao, Chun He, Daniel D. Gang
Summary: This study demonstrates that interstitial atomic Bi anchored in the lattice interstice of MnO2 can boost the catalytic oxidation reactions by triggering an alternative twofold O-2 activation, weakening the O-2 dissociation energy barrier by reconstructing the local charge landscape and elongating the O-O bond length.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Physical
Hongquan Guo, Yanling Yang, Guangming Yang, Xiaojuan Cao, Ning Yan, Zhishan Li, Emily Chen, Lina Tang, Meilan Peng, Lei Shi, Shunji Xie, Huabing Tao, Chao Xu, Yinlong Zhu, Xianzhu Fu, Yuanming Pan, Ning Chen, Jinru Lin, Xin Tu, Zongping Shao, Yifei Sun
Summary: We developed a strategy for constructing highly active and stable oxygen evolution reaction (OER) electrocatalysts by using a scalable cation deficiency-driven exsolution approach. The catalyst exhibited low overpotential and superior durability, achieving a promising and feasible solution for OER electrocatalysts without sacrificing stability.
Article
Multidisciplinary Sciences
Rui Wang, Xin Chen, Zhongyuan Huang, Jinlong Yang, Fusheng Liu, Mihai Chu, Tongchao Liu, Chaoqi Wang, Weiming Zhu, Shuankui Li, Shunning Li, Jiaxin Zheng, Jie Chen, Lunhua He, Lei Jin, Feng Pan, Yinguo Xiao
Summary: Introducing twin boundaries into spinel cathodes facilitates fast lithium ion diffusion, leading to excellent fast charging performance, as demonstrated through detailed structural analysis and electrochemical experiments.
NATURE COMMUNICATIONS
(2021)
Article
Chemistry, Physical
Longwen Chen, Feng Liu, Xiaoqian Li, Qiuzhen Tao, Zhaoqin Huang, Qi Zuo, Yanwu Chen, Tan Li, Mingli Fu, Daiqi Ye
Summary: Metal oxide-oxide interface on supported catalyst has been rarely studied. In this study, different Ag-supported CeO2/Co3O4 samples were prepared and grafted CeO2 on Co3O4 to improve the catalytic activity for soot oxidation. The formation of the CeO2/Co3O4 interface was found to significantly enhance the catalytic performance, and this enhancement was attributed to the increased contact and interaction between Co3O4 and CeO2, as well as the formation of abundant superoxide species and activated surface lattice oxygen. Density functional theory calculations showed that the CeO2/Co3O4 interface led to a redistribution of charge density and a reduction in the oxygen vacancy formation energy, promoting the reaction kinetics.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2023)
Article
Chemistry, Multidisciplinary
Wen-Kai Han, Jin-Xin Wei, Kang Xiao, Ting Ouyang, Xinwen Peng, Shenlong Zhao, Zhao-Qing Liu
Summary: This study reveals the enhanced mechanism of urea oxidation reaction (UOR) by using cation-vacancy controllable lithium nickel oxide (LNO) catalysts. The optimized catalyst shows extremely low overpotential at 10 mA cm(-2) and excellent stability after long-term testing. Operando characterisations and theoretical analysis indicate that the activated lattice oxygen and moderate cation vacancies in layered LiNiO2 catalyst facilitate charge disproportionation reaction, playing a crucial role in the catalytic process.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Multidisciplinary Sciences
Huayu Gu, Xiao Liu, Xiufan Liu, Cancan Ling, Kai Wei, Guangming Zhan, Yanbing Guo, Lizhi Zhang
Summary: Efficient molecular oxygen activation is crucial for catalytic oxidation reaction, and depends on the construction of active sites. Dual adjacent Fe atoms anchored on MnO2 can assemble into a diatomic site, forming Fe(O = O)Fe for highly efficient CO oxidation. This study demonstrates a new efficient pathway to activate molecular oxygen through single atom technology.
NATURE COMMUNICATIONS
(2021)
Article
Chemistry, Physical
Andoni Choya, Beatriz de Rivas, Juan Ramon Gonzalez-Velasco, Jose Ignacio Gutierrez-Ortiz, Ruben Lopez-Fonseca
Summary: The study focuses on supported bimetallic Co-Ni catalysts for methane oxidation, showing that simultaneous incorporation of nickel and cobalt enhances redox properties and increases active lattice oxygen species, leading to improved reaction rates. The most active catalyst exhibited stability during prolonged operation but irreversible deactivation in the presence of water vapor.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2021)
Article
Engineering, Environmental
Lingcai Zeng, Kaixiang Shi, Bao Qiu, Haoyan Liang, Junhao Li, Wei Zhao, Suli Li, Weigang Zhang, Zhaoping Liu, Quanbing Liu
Summary: A simple and scalable strategy of hydrophobic coating with dihexadecyl phosphate (DHP) was reported to improve the environmental stability of Ni-rich layered oxide cathodes, resulting in enhanced electrochemical performance.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Chemistry, Physical
Xiaohui Wen, Chong Yin, Bao Qiu, Liyang Wan, Yuhuan Zhou, Zhining Wei, Zhepu Shi, Xing Huang, Qingwen Gu, Zhaoping Liu
Summary: This study proposes a strategy to alleviate the segregation of Li2MnO3 component in Co-free Li-rich layered cathodes by tailoring oxygen partial pressure during heat treatment. Experimental results show that this strategy can accelerate the activation of Li2MnO3 component and improve the capacity and cycling stability of the material.
JOURNAL OF POWER SOURCES
(2022)
Article
Multidisciplinary Sciences
Jinsheng Liao, Minghua Wang, Fulin Lin, Zhuo Han, Biao Fu, Datao Tu, Xueyuan Chen, Bao Qiu, He-Rui Wen
Summary: This study reports a unique two-dimensional negative-thermal-expansion phosphor and discovers enhanced green upconversion and near-infrared downshifting luminescence with increasing temperature. The investigation of the luminescence mechanism, temperature dependence of the luminescence lifetime, and the application of temperature sensing provide important insights into the design of negative-thermal-expansion phosphors.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Physical
Zhining Wei, Zhepu Shi, Xiaohui Wen, Xiao Li, Bao Qiu, Qingwen Gu, Jie Sun, Yingying Han, Hao Luo, Haocheng Guo, Yonggao Xia, Chong Yin, Peijun Cai, Zhaoping Liu
Summary: In this study, a strategy to regulate the distribution of Li2MnO3-like domains in Li-rich layered cathodes is proposed to eliminate oxygen evolution. Experimental results demonstrate that dispersed Li2MnO3-like microstructures can withstand higher stress and result in a high specific energy density in the fabricated batteries.
MATERIALS TODAY ENERGY
(2022)
Article
Chemistry, Analytical
Huiqian Zhou, Han Lin, Qi Wang, Tingting Hao, Yufang Hu, Sui Wang, Zhiyong Guo
Summary: We developed an axis-mode donor-DNA-acceptor electrochemical system to distinguish electron transfer modes in DNA. By embedding the redox probe Ag+ in the DNA strand and controlling the number of Ag+, the distance between Ag+ and the electrode, and the chemical environment, the rotation and bending of the DNA strand were restricted, allowing precise control of the electron transfer mechanism. The results showed that electron transfer in DNA occurs through tunneling rather than hopping.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Huiqian Zhou, Wenbo Guo, Shian Wang, Tingting Hao, Zhaoliang Wang, Yufang Hu, Sui Wang, Jianjun Xie, Xiaohua Jiang, Zhiyong Guo
Summary: An electrochemical aptasensor has been developed for ultrasensitive detection of Staphylococcus aureus (SA) based on stepwise signal amplification. The sensor exhibits good detection performance and wide applicability to other pathogens.
Article
Chemistry, Multidisciplinary
Ying Li, Zhepu Shi, Bao Qiu, Jialiang Zhao, Xiao Li, Yibin Zhang, Tingting Li, Qingwen Gu, Jing Gao, Zhaoping Liu
Summary: To tackle the capacity fade and safety concerns associated with oxygen redox in Li-rich layered cathodes, an integrated strategy involving interlayer regulation and delocalization of Li2MnO3-like domain is proposed. The controllable interlayer through atomic layer deposition minimizes lattice mismatch and prevents structural degradation during cycling, while compositional control of the Li2MnO3-like domain inhibits oxygen release and enhances the thermal stability of the electrode. The optimized cathode material demonstrates a capacity retention of 94.0% after 200 cycles and a multilayer pouch cell exhibits an outstanding cycling performance with 80.4% capacity retention after 710 cycles, along with verified safety features.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Review
Chemistry, Multidisciplinary
Lingcai Zeng, Haoyan Liang, Bao Qiu, Zhepu Shi, Sijie Cheng, Kaixiang Shi, Quanbing Liu, Zhaoping Liu
Summary: This review comprehensively summarizes the research progress of Li-rich layered oxides (LLOs) as cathode materials for high energy density Li-ion batteries. It highlights the continuous voltage decay issue during cycling and proposes strategies such as surface modification, elemental doping, and control of defect to mitigate the voltage decay. The review also provides a systematic outlook on the real root of voltage decay and suggests a potential solution for voltage recovery.
ADVANCED FUNCTIONAL MATERIALS
(2023)
Article
Chemistry, Inorganic & Nuclear
Jinsheng Liao, Zhuo Han, Fulin Lin, Biao Fu, Guoliang Gong, Haokun Yan, Haiping Huang, He-Rui Wen, Bao Qiu
Summary: We present a nonhygroscopic ZrSc(WO4)(2)PO4:Yb3+/Er3+ phosphor withnegative thermal expansion and simultaneous thermal enhancement of both upconversion(UC) and downshifting (DS) luminescence. By using the fluorescenceintensity ratio technique, the high sensitivities of ZSWP:Yb/Er in luminescencethermometry are revealed. The novel negative thermal expansion nonhygroscopicphosphor ZrSc(WO4)(2)PO4:Yb3+/Er3+ exhibits thermal enhancement of UC and DSemissions from room temperature to 573 K.
INORGANIC CHEMISTRY
(2023)
Article
Chemistry, Physical
Yan Gong, Xiao Li, Lingcai Zeng, Yuanfei Huang, Bao Qiu, Zhaoping Liu
Summary: An improved Ni2+-O2--Ni2+ configuration enhances the oxygen redox reversibility of Li-rich layered oxides (LLOs) and leads to high initial Coulombic efficiency.
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
(2023)
Article
Nanoscience & Nanotechnology
John Holoubek, Haodong Liu, Qizhang Yan, Zhaohui Wu, Bao Qiu, Minghao Zhang, Sicen Yu, Shen Wang, Jianbin Zhou, Tod A. Pascal, Jian Luo, Zhaoping Liu, Ying Shirley Meng, Ping Liu
Summary: This study demonstrates the reversible performance of a localized-high-concentration electrolyte (LHCE) based on ether solvents for Li||LMR batteries, improving the cycling performance and cathode-electrolyte interphase chemistry.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Analytical
Jie Zhang, Huiqian Zhou, Tingting Hao, Yiyao Yang, Qingqing Zhang, Jinyun Li, Meng Ye, Yangbo Wu, Wanlei Gao, Zhiyong Guo
Summary: A Faraday cage-type electrochemiluminescence biosensor was developed for the detection of MCF-7 breast cancer cells. Fe3O4-APTs and GO@PTCA-APTs were synthesized as capture and signal units, respectively. The sensor achieved a significant increase in sensitivity by assembling numerous electrochemiluminescence signal probes and adopting a double aptamer recognition strategy.
ANALYTICA CHIMICA ACTA
(2023)
Article
Chemistry, Applied
Yibin Zhang, Xiaohui Wen, Zhepu Shi, Bao Qiu, Guoxin Chen, Zhaoping Liu
Summary: The role of oxygen defects in Li-rich layered oxides is still unclear. This study found that oxygen defects can enhance the oxygen redox reaction and improve the available capacity.
JOURNAL OF ENERGY CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Shaoan Zhang, Zhenzhang Li, Zaijin Fang, Bao Qiu, Janak L. L. Pathak, Kaniyarakkal Sharafudeen, S. Saravanakumar, Zhanjun Li, Gang Han, Yang Li
Summary: Recently, a modified metal halide perovskite has been designed to enhance the photoluminescence efficiency and stability under blue light excitation. This material has been successfully applied in laser-driven liquid crystal displays, demonstrating excellent color gamut, illuminance intensity, and energy consumption reduction, especially in large-screen outdoor displays.
MATERIALS HORIZONS
(2023)
Article
Materials Science, Multidisciplinary
Si-Yu Liu, Yu-Huan Zhou, Yi-Bin Zhang, Sheng-Jie Xia, Ying Li, Xin Zhou, Bao Qiu, Guang-Jie Shao, Zhao-Ping Liu
Summary: In this study, a uniform surface doping of an electrochemically inert element on a Li-rich layered oxide cathode surface was achieved using an element segregation principle. This resulted in improved reversibility of oxygen redox and cycle performances.
Article
Chemistry, Physical
Mei Gui Vanessa Wee, Amutha Chinnappan, Runxin Shang, Poh Seng Lee, Seeram Ramakrishna
Summary: Cooling processes, from residences to industries, require a lot of energy and are essential. This study introduces MIL-101(Cr), a new desiccant, to heat exchangers for more efficient cooling. By improving the synthesis method and using a special binder, the MIL-101(Cr)-coated heat exchanger shows improved water uptake capacity and lower regeneration temperature.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Ao Zhen, Guanyu Zhang, Ao Wang, Feng Luo, Jiehua Li, Hong Tan, Zhen Li
Summary: In this study, a solvent-free microemulsion method was used to synthesize waterborne polyurethane (WPU) material with high retention of mechanical properties and satisfactory water absorption rates. The material showed excellent biocompatibility and has broad application potential in the field of biomedicine.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Review
Chemistry, Physical
Wensong Ge, Rui Wang, Xiaoyang Zhu, Houchao Zhang, Luanfa Sun, Fei Wang, Hongke Li, Zhenghao Li, Xinyi Du, Huangyu Chen, Fan Zhang, Huifa Shi, Huiqiang Hu, Yongming Xi, Jiankang He, Liang Hu, Hongbo Lan
Summary: This paper reviews the research on the surface tension of eutectic gallium-indium alloys (EGaIn) in the field of stretchable electronics. It covers the principles of oxide layer formation, factors influencing surface tension, and methods for surface modification of liquid metals. The paper also discusses the applications of EGaIn surface modification in different fields and highlights the challenges still faced and the future outlook.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Review
Chemistry, Physical
Xiang Song, Lianghao Jia, Zhengen Wei, Tao Xiang, Shaobing Zhou
Summary: This paper provides an overview of the application, preparation, and role of biomimetic structures in solar evaporators with improved evaporation rate and lifetime.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Wei Yuan, Qian Deng, Dong Pan, Xiang An, Canyang Zhao, Wenjun Su, Zhengmin He, Qiang Sun, Ran Ang
Summary: Optimizing the performance of n-type PbTe thermoelectric materials is crucial for practical applications. Dynamic doping has emerged as an effective method to improve the performance of n-type PbTe by optimizing the carrier concentration. This study demonstrates the significance of Mn alloying in enhancing the performance of Ag-doped n-type PbTe by creating a hierarchical structure to suppress thermal transport and improving the Seebeck coefficient.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Review
Chemistry, Physical
Xiaoyan Wang, Meiqi Geng, Shengjun Sun, Qian Xiang, Shiyuan Dong, Kai Dong, Yongchao Yao, Yan Wang, Yingchun Yang, Yongsong Luo, Dongdong Zheng, Qian Liu, Jianming Hu, Qian Wu, Xuping Sun, Bo Tang
Summary: This review provides a comprehensive analysis of the progress and challenges in the field of bifunctional electrocatalysts and efficient electrolyzers for seawater splitting. It summarizes recent advancements and proposes future perspectives for highly efficient bifunctional electrocatalysts and electrolyzers.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Jason K. Phong, Christopher B. Cooper, Lukas Michalek, Yangju Lin, Yuya Nishio, Yuran Shi, Huaxin Gong, Julian A. Vigil, Jan Ilavsky, Ivan Kuzmenko, Zhenan Bao
Summary: Dynamic block copolymers (DBCPs) combine the phase separation of traditional block copolymers with the supramolecular self-assembly of periodic dynamic polymers, resulting in the spontaneous self-assembly of high aspect ratio nanofibers with well-ordered PEG and PDMS domains. DBCPs with a periodic block sequence exhibit superior properties compared to those with a random sequence, including delayed onset of terminal flow and higher ionic conductivity values.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Hong Kyu Lee, Yasaswini Oruganti, Jonghyeon Lee, Seunghee Han, Jihan Kim, Dohyun Moon, Min Kim, Dae-Woon Lim, Hoi Ri Moon
Summary: This study reports the moisture-triggered proton-conductivity switching behavior in Zn5FDC MOFs induced by the presence and absence of coordinating solvents, which illustrates the significant role of coordinating solvents in conductivity variation.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Bommaramoni Yadagiri, Sanjay Sandhu, Ashok Kumar Kaliamurthy, Francis Kwaku Asiam, Jongdeok Park, Appiagyei Ewusi Mensah, Jae-Joon Lee
Summary: The molecular engineering of the interface modulator between the perovskite and hole transporting material is crucial for achieving satisfactory performance and stability of perovskite solar cells. In this study, cruciform-shaped dual functional organic materials were employed as surface passivation and hole transporting interfacial layers in perovskite solar cells. The use of these materials significantly improved the power conversion efficiency of the solar cells.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Joaquin Martinez-Ortigosa, Reisel Millan, Jorge Simancas, Manuel Hernandez-Rodriguez, J. Alejandro Vidal-Moya, Jose L. Jorda, Charlotte Martineau-Corcos, Vincent Sarou-Kanian, Mercedes Boronat, Teresa Blasco, Fernando Rey
Summary: This study investigates the synthesis of all-silica RTH zeolites using triisopropyl(methyl)phosphonium as the organic SDA. The results show the formation of two distinct crystalline phases under different synthesis conditions, with fluoride bonding to different silicon sites. It demonstrates the possibility of controlling the placement of fluoride in RTH zeolites through synthesis conditions.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Luyao Zheng, Cong Liu, Wenbiao Zhang, Boxu Gao, Tianlan Yan, Yahong Zhang, Xiaoming Cao, Qingsheng Gao, Yi Tang
Summary: This study successfully improves the efficiency and stability of water splitting by constructing a heterostructured electrocatalyst. The catalyst shows extraordinary performance and could offer an effective approach for the sustainable production of hydrogen.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Carlos A. Campos-Roldan, Raphael Chattot, Frederic Pailloux, Andrea Zitolo, Jacques Roziere, Deborah J. Jones, Sara Cavaliere
Summary: This study systematically evaluated the hydrogen evolution/oxidation reactions on a series of Pt-rare earth nanoalloys in alkaline media, and identified the effect of the lanthanide contraction. The experimental results revealed that the chemical nature of the rare earth modulates the adsorption and mobility of oxygenated-species, enhancing the kinetics of the reactions.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Sara Frank, Mads Folkjaer, Mads L. N. Nielsen, Melissa J. Marks, Henrik S. Jeppesen, Marcel Ceccato, Simon J. L. Billinge, Jacopo Catalano, Nina Lock
Summary: This study investigates the thermal decomposition of ZIF-67 and its correlation with structural evolution and electrocatalytic performance. The researchers used in situ X-ray absorption spectroscopy and total scattering techniques to analyze the process. They found that disorder emerges at lower temperatures and that extending the pyrolysis process can result in materials with superior electrochemical properties.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Zi-Yang Zhang, Hao Tian, Han Jiao, Xin Wang, Lei Bian, Yuan Liu, Nithima Khaorapapong, Yusuke Yamauchi, Zhong-Li Wang
Summary: By constructing Cu-0-Cu+-NH2 composite interfaces with the assistance of SiO2, the electrochemical CO2 reduction reaction (CO2RR) achieves high Faraday efficiency and current density for C2+ production, improving the productivity of carbon cycle.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
Article
Chemistry, Physical
Ting Wang, Ruijuan Zhang, Pengda Zhai, Mingjie Li, Xinying Liu, Chaoxu Li
Summary: This study successfully exfoliated COFs using a simple electrochemical method, which resulted in improved photocatalytic performance for COFs and enriched the fabrication approach of COF exfoliation.
JOURNAL OF MATERIALS CHEMISTRY A
(2024)
