Article
Chemistry, Physical
Junli Liu, Jing Zhuang, Wenxiong Shi, Xun Wang
Summary: By incorporating three types of molybdenum-based polyoxometalate clusters into the Ni(OH)(2) reaction system, sub-1 nm hybrid nanomaterials were successfully synthesized, showing promising applications in catalysis and electrocatalysis.
CHEMISTRY OF MATERIALS
(2021)
Article
Chemistry, Physical
Pier Giorgio Schiavi, Pietro Altimari, Flavio Marzolo, Antonio Rubino, Robertino Zanoni, Francesca Pagnanelli
Summary: An experimental analysis was conducted to optimize the structure of Ni-Ni(OH)(2)/NiO core-shell nanowire electrodes for pseudocapacitor applications. The thickness and composition of the active phase shell were found to be affected by thermal treatments at different temperatures, resulting in varying capacitance values. Tailoring the capacitance of the electrodes by controlling the nanowire length was evaluated, showing that mass transfer resistance can be negligible within a certain range.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Review
Chemistry, Multidisciplinary
Sungmin Han, C. Buddie Mullins
Summary: The study of Pd-Au model catalysts under UHV conditions reveals the influence of Pd ensemble size on H-2 desorption behavior, allowing H-2 to be used as a probe molecule for quantifying surface composition. Additionally, the Pd-Au interface is identified as the main reaction site for generating H-2, providing insights for potential liquid storage mediums for hydrogen.
ACCOUNTS OF CHEMICAL RESEARCH
(2021)
Article
Chemistry, Applied
Thapanee Jomjaree, Paweennut Sintuya, Atthapon Srifa, Wanida Koo-amornpattana, Sirapassorn Kiatphuengporn, Suttichai Assabumrungrat, Masao Sudoh, Ryo Watanabe, Choji Fukuhara, Sakhon Ratchahat
Summary: This study prepared a series of Ni catalysts supported on CeO2 with different morphologies and evaluated their catalytic performance for low-temperature CO2 methanation. Among these catalysts, Ni/CeO2-PH exhibited the highest CO2 conversion and CH4 selectivity, making it the optimum catalyst for this reaction.
Article
Chemistry, Physical
Luna Ruan, Huan Fu, Jianhua Liao, Nengwen Ding, Junjie Lan, Kai Yang, Mengke Rong, Ning Zhao, Lihua Zhu, Bing Hui Chen
Summary: The bimetallic nanocatalysts Au/Ni/Ni(OH)(2)/C with different Au loadings showed higher catalytic activity and selectivity compared to monometallic catalysts, with Au/Ni/Ni(OH)(2)/C-2 exhibiting the best performance.
Review
Chemistry, Multidisciplinary
Qiming Sun, Ning Wang, Jihong Yu
Summary: Zeolite-supported metal catalysts have shown superior activity and thermal stability in catalytic reactions, being widely applied in hydrogenation, dehydrogenation, oxidation, and other reactions, with promising prospects for future advancements.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Physical
Y. F. Wang, X. Luo, W. J. Lu, L. Yang, B. Huang, P. T. Li, Y. Q. Yang
Summary: The study demonstrates that Rh and Ni(OH)(2) exhibit synergistic effect in Rh-Ni(OH)(2)/C nanocomposites, with the best performance observed when the molar ratio of Rh to Ni(OH)(2) is 1:1, showing superior HER activity and durability.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2022)
Article
Chemistry, Multidisciplinary
Penghui Yan, Eric Kennedy, Michael Stockenhuber
Summary: The study demonstrates that Ni/BEA and Ni/MOR catalysts show better performance in the hydrogenation of toluene, while Ni/BEA is more effective in the hydrodeoxygenation of anisole.
Article
Green & Sustainable Science & Technology
Swathi Mukundan, Ramesh Kumar Chowdari, Jorge Beltramini
Summary: This study successfully converted softwood lignin derived from black liquor into industrially important aromatic compounds through efficient catalytic hydrodeoxygenation. The activated carbon supported NiMoS2 catalyst exhibited good stability and selectivity, while the addition of ZrO2 was able to regulate the acidity of the catalyst.
ADVANCED SUSTAINABLE SYSTEMS
(2021)
Article
Nanoscience & Nanotechnology
Jiahao Zhang, Zizhun Wang, Ting Deng, Wei Zhang
Summary: Enhancing the conductivity of MOF by electrochemically depositing Ni(OH)(2) on carbon nanowalls leads to significantly improved electrochemical performance, resulting in a high-capacitance vertically oriented MOF sheets with promising results for the fabrication of asymmetric supercapacitors.
Article
Chemistry, Physical
Ya-Qiong Su, Yan-Yang Qin, Tiantian Wu, De-Yin Wu
Summary: Single-atom catalysis is a hot topic in heterogeneous catalysis, but determining the stability and activity of single atoms on oxide supports compared to clusters and nanoparticles remains challenging. It was found that single Au atoms at step-edges serve as active sites for low-temperature CO oxidation, and the interface between Au nanoparticles and CeO2 can directly catalyze CO oxidation through the Mars-van Krevelen mechanism.
JOURNAL OF CATALYSIS
(2022)
Article
Chemistry, Physical
Adriano H. Braga, Daniela C. de Oliveira, Alan R. Taschin, Joao B. O. Santos, Jean Marcel R. Gallo, Jose M. C. Bueno
Summary: A spectroscopic and microscopic investigation was conducted on bimetallic nanoparticles in Co-Ni/MgAl2O4 catalysts used for steam reforming of ethanol. The study sheds light on the significant impact of Co-Ni alloy in reforming reactions, providing insights into catalytic performance.
Article
Nanoscience & Nanotechnology
Xin Ning, Heming Wang, Ganghua Zhou, Longyun Zhang, Yanju Yang, Jingya Sun, Xiaozhi Wang
Summary: Ni catalysts decorated with trace Rh supported on gamma-Al2O3 were prepared and investigated for the catalytic hydrodechlorination of chlorinated hydrocarbons. The introduction of Rh facilitated the generation of spillover hydrogen, enhancing the H2 activation ability of the Ni catalyst. The bimetallic Ni-Rh/gamma-Al2O3 catalyst exhibited significantly higher 1,2-dichloroethane conversion (37%) and comparable selectivity to ethylene (95%) compared to the monometallic Ni catalyst.
ACS APPLIED NANO MATERIALS
(2023)
Article
Energy & Fuels
Zhourong Xiao, Peng Li, Senlin Zhang, Jianmin Gu, Desong Wang
Summary: Metal-support interactions and their interfaces play a crucial role in catalytic activity and stability. In this study, different M2O3- (M=La, Al-) supported Ni catalysts were prepared using a citric acid-assisted sol-gel method. The catalysts were systematically characterized and their catalytic performance was evaluated for hydrogen or syngas production. The results show that Ni supported on La2O3 exhibits smaller particle size, stronger metal-support interaction, and higher ethanol conversion activity and stability compared to Al2O3 support. The Ni-La2O3 catalyst also shows good activity for methane dry reforming. The superior catalytic performance can be attributed to smaller particle size, abundant metal-support interfaces, higher nickel electron densities, abundant strong basic sites, and strong metal-support interactions.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2023)
Article
Chemistry, Physical
Sreejith Sreekantan, Arun Arunima Balachandran Kirali, Banu Marimuthu
Summary: Ni-Mo supported on gamma-Al2O3 catalysts showed good catalytic activity for the conversion of sucrose to 1,2-propanediol. The combination of 8%Ni-20%Mo/gamma-Al2O3 produced a high yield of 1,2-propanediol under mild reaction conditions. The catalyst was also found to be active for various substrates. XPS analysis confirmed the different oxidation states of Ni and Mo in the active catalyst.
SUSTAINABLE ENERGY & FUELS
(2022)
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)