英文论文
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文献类型
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Journal article (JA)
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题名
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Stacking faults triggered strain engineering of ZIF-67 derived Ni-Co bimetal phosphide for enhanced overall water splitting
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作者
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Liu, Haimin; Jin, Mengmeng; Zhan, Da; Wang, Jinming; Cai, Xiaoyi; Qiu, Yongting; Lai, Linfei
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作者单位
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[Liu, Haimin; Jin, Mengmeng; Qiu, Yongting; Lai, Linfei] Nanjing Tech Univ, Jiangsu Natl Synergist Innovat Ctr Adv Mat SICAM, Key Lab Flexible Elect, Nanjing 210009, Peoples R China. [Liu, Haimin; Jin, Mengmeng; Qiu, Yongting; Lai, Linfei] Nanjing Tech Univ, Jiangsu Natl Synergist Innovat Ctr Adv Mat SICAM, Inst Adv Mat IAM, Nanjing 210009, Peoples R China. [Zhan, Da; Wang, Jinming] Xiamen Univ, Coll Mat, Xiamen 361005, Peoples R China. [Cai, Xiaoyi] Nanyang Technol Univ, Sch Phys & Math Sci, 21 Nanyang Link, Singapore 637371, Singapore. [Lai, Linfei] CINTRA CNRS NTU Thales, UMI 3288, 50 Nanyang Dr, Singapore 637553, Singapore.
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通讯作者地址
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nding author), Nanjing Tech Univ, Jiangsu Natl Synergist Innovat Ctr Adv Mat SICAM, Key Lab Flexible Elect, Nanjing 210009, Peoples R China.; Lai, LF (corresponding author), Nanjing Tech Univ, Jiangsu Natl Synergist Innovat Ctr Adv Mat SICAM, Inst Adv Mat IAM, Nanjing 210009, Peoples R China.; Lai, LF (corresponding author), CINTRA CNRS NTU Thales, UMI 3288, 50 Nanyang Dr, Singapore 637553, Singapore.
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Email
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iamlflai@njtech.edu.cn
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ResearchID
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ORCID
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期刊名称
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Applied Catalysis B: Environmental
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出版社
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Elsevier B.V.
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ISSN
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0926-3373
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出版信息
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2020-09-05, 272 ():-.
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JCR
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1
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影响因子
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0.000
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ISBN
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基金
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National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51502135]; Natural Science Foundation of Fujian Province of ChinaNatural Science Foundation of Fujian Province [2017J01005]; CAS Pioneer Hundred Talents Program
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会议名称
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会议地点
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会议开始日期
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会议结束日期
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关键词
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Cobalt compounds; Crystal atomic structure; Electrocatalysts; Electrodes; Electrolysis; Etching; Iridium compounds; Nickel compounds; Platinum compounds; Stacking faults; Transition metals
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摘要
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Structure modulation of transition metal phosphides at the atomic scale can significantly modify their catalytic properties. Herein, stacking faults abundant Ni2P/Co2P electrocatalysts with outstanding bifunctional oxygen evolution and hydrogen evolution property have been prepared. The stacking faults are formed by slow dissolution of Ni substrate by Mo6+ and further redeposition of Ni2+ during the growth of Co(OH)F crystals. Unprecedentedly, the distinct mechanistic etching-redeposition pathway dictated by the stacking faults, heterostructures and crystal lattice deformation leads to lattice expansion of Co2P and enables preferred reactants adsorption. Electrolysis cell employing Ni2P/Co2P electrocatalysts as a bifunctional catalyst for both the cathode and the anode delivers a current density of 10 mA cm(-2) at a cell voltage of 1.57 V, which is comparable to the integrated Pt/C and IrO2 counterparts. The exceptional electrocatalytic performance of Co2P/Ni2P-x%Mo indicates the redeposition mechanism a new methodology to modulate the structure and surface reactivity of electrocatalysts.
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一级学科
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Chemistry, Physical; Engineering, Environmental; Engineering, Chemical
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WOS入藏号
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WOS:000533148700057
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EI收录号
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20201608480900
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DOI
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10.1016/j.apcatb.2020.118951
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ESI
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CHEMISTRY
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收录于
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SCIE, EI
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