云南高校图书馆联盟文献共享服务平台- SUBSTITUTION

SUBSTITUTION: 作品数：716被引量：1140H指数：13; 导出分析报告; 相关领域：理学更多>>; 相关作者：张羊换袁亮张伟彬纪耀坤刘阳更多>>; 相关机构：清华大学内蒙古科技大学东北师范大学钢铁研究总院更多>>; 相关期刊：更多>>; 相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家高技术研究发展计划更多>>

Remote copper-catalyzed enantioselective substitution of yne-thiophene carbonates: 《Science China Chemistry》2024年第4期1175-1180,共6页Hao-Dong Qian Xiang Li Tingrui Yin Wei-Feng Qian Chunhui Zhao Cuiju Zhu Hao Xu; supported by the National Natural Science Foundation of China(21801087,22201089)。; Here,we describe a strategy for the copper-catalyzed asymmetric heteroarylation of yne-thiophene carbonates with indoles via remote substitution.The key to the success of this strategy lies in the design of the alkyny...; 关键词：remote substitution copper catalyst asymmetric catalysis triaryl methanes

Atomically-precise Janus polyoxometalate catalyst with tunable water splitting activity被引量：1: 《Science China Chemistry》2023年第6期1771-1780,共10页Zhimin Wang Xing Xin Zheng Li Mo Zhang Jiangwei Zhang Yeqin Feng Junhao Zhang Hongjin Lv Guo-Yu Yang; supported by the National Natural Science Foundation of China(21871025,21831001,21701168);the Recruitment Program of Global Experts(Young Talents);BIT Excellent Young Scholars Research Fund;the National Key R&D Program of China(2020YFA0406101)。; The development of bifunctional catalysts for solar-driven hydrogen and oxygen evolution has been regarded as a challenging but interesting research topic.As promising multi-electron-transfer catalysts,previously repo...; 关键词：Janus polyoxometalate catalyst mixed-transition-metal substitution X-ray absorption fine structure(XAFS) H EVOLUTION O EVOLUTION

Chlorinated polymerized small molecule acceptor enabling ternary all-polymer solar cells with over 16.6% efficiency被引量：3: 《Science China Chemistry》2022年第5期954-963,共10页Ke Hu Jiaqi Du Can Zhu Wenbin Lai Jing Li Jingming Xin Wei Ma Zhanjun Zhang Jinyuan Zhang Lei Meng Yongfang Li; supported by the National Key Research and Development Program of China (2019YFA0705900);funded by MOST;the National Natural Science Foundation of China (51820105003, 21734008, 61904181, 52173188, 21704082, 21875182);the Basic and Applied Basic Research Major Program of Guangdong Province (2019B030302007);Key Scientific and Technological Innovation Team Project of Shaanxi Province (2020TD-002);111 Project 2.0 (BP2018008)。; Recently,all-polymer solar cells(all-PSCs) based on polymerized small molecule acceptors(PSMAs) have achieved significant progress.Ternary blending has proven to be an effective strategy to further boost the power con...; 关键词：all-polymer solar cells polymerized small molecular acceptors chlorine substitution ternary all polymer solar cells stability

Interlayer ligand engineering of β-Ni(OH)2 for oxygen evolution reaction被引量：2: 《Science China Chemistry》2020年第11期1684-1693,共10页Junying He Yuqin Zou Yucheng Huang Chenhui Li Yanbo Liu Ling Zhou Chung-Li Dong Xia Lu Shuangyin Wang; This work was supported by the Fundamental Research Funds for the Central Universities(531107051102);the National Natural Science Foundation of China(51402100,21825201,21573066,21805080,21902047);the Provincial Natural Science Foundation of Hunan(2016TP1009,2020JJ5045).; Oxygen evolution reaction(OER)is a bottleneck process for many electrochemical devices due to the sluggish kinetics,for which advanced electrocatalysts should be carefully designed.Nickle-based materials have been ext...; 关键词：ALKOXYL SUBSTITUTION Β-NI(OH)2 oxygen evolution reaction OPERANDO

Raising the capacity of lithium vanadium phosphate via anion and cation co-substitution被引量：3: 《Science China Chemistry》2020年第2期203-207,共5页Xian-Xiang Zeng Hui Chen Gang Guo Sheng-Yi Li Jin-Ying Liu Qiang Ma Guote Liu Ya-Xia Yin Xiong-Wei Wu Yu-Guo Guo; supported by the Basic Science Center Project of Natural Science Foundation of China(51788104);the National Natural Science Foundation of China(51803054,51772093);the “Transformational Technologies for Clean Energy and Demonstration”,Strategic Priority Research Program of the Chinese Academy of Sciences(XDA21070300);the Natural Science Foundation of Hunan Province(2019JJ50223);“Double First-Class” School Construction Project;Outstanding Youth Fund of Hunan province(SYL201802008,2019JJ20010); The pursuit for batteries with high specific energy provokes the research of high-voltage/capacity cathode materials with superior stability and safety as the alternative for lithium iron phosphate.Herein,using the so...; 关键词：polyanion cathode ion substitution carbon coating high rate theoretical capacity

11.2% Efficiency all-polymer solar cells with high open-circuit voltage被引量：12: 《Science China Chemistry》2019年第7期845-850,共6页Yuan Meng Jingnan Wu Xia Guo Wenyan Su Lei Zhu Jin Fang Zhi-Guo Zhang Feng Liu Maojie Zhang Thomas P. Russell Yongfang Li; supported by the National Natural Science Foundation of China (51773142, 51573120, 21734009, 91633301);T. P. Russell was supported by the U.S. Office of Naval Research (N0001415-1-2244); Herein,we fabricated all-polymer solar cells(all-PSCs)based on a fluorinated wide-bandgap p-type conjugated polymer PM6 as the donor,and a narrow bandgap n-type conjugated polymer PZ1 as the acceptor.In addition to th...; 关键词：all-polymer solar cells FLUORINE SUBSTITUTION power conversion EFFICIENCY wide bandgap POLYMER POLYMER ACCEPTOR

Improving photovoltaic performance of n-OS acceptors via aryl substitution on its end groups: 《Science China Chemistry》2018年第10期1199-1200,共2页Yongfang Li; Over the past three years, n-type organic semiconductor （nOS） electron acceptors with an acceptor-donor-acceptor （AD-A） structure and a ladder-type conjugated fused ring donor core have been extensively explored f...; 关键词：芳基性能光电太阳能电池子类型半导体 NOS 聚合物

Influence of Cl substitution on the electronic structure and catalytic activity of ceria被引量：1: 《Science China Chemistry》2015年第4期601-606,共6页Li-Li Yin Xue-Qing Gong; supported by the National Basic Research Program of China(2011CB808505);the National Natural Science Foundation of China(21322307,21421004);the"Shu Guang"project of Shanghai Municipal Education Commission;Shanghai Education Development Foundation(13SG30)for financial support; Cl-containing cerium dioxide(Ce O2) catalysts have been found to exhibit unique catalytic activities. In the present work, using density functional theory calculations with the inclusion of on-site Coulomb correction,...; 关键词：cerium dioxide Cl substitution DFT＋U O2 adsorption CO oxidation

Theoretical investigation of substitution and end-group effects on poly(p-phenylene vinylene)s: 《Science China Chemistry》2014年第3期435-441,共7页ZHENG Chao PAN JingFang CHEN RunFeng WANG Yang HUANG Wei; supported by the National Natural Science Foundation of China(21274065,20804020,21001065);National Basic Research Program of China(2009CB930601);Natural Science Foundation of Jiangsu Province(BK2011751);A project funded by the priority academic program development of Jiangsu higher education institutions,and Scientific Re-search Foundation of Nanjing University of Posts and Telecommunications(NY210017,NY210046); Semi-empirical AM1 and ZINDO/S,as well as density function theory(DFT)method B3LYP/6-31G(d)quantum chemical calculations were carried out to study the electronic structures and optical properties of poly(p-phenylene v...; 关键词：theoretical investigation PPVs optoelectronic modification conjugated polymer

Regio-selective chlorination of vinca alkaloids catalyzed by Lewis acid: 《Science China Chemistry》2011年第7期1039-1043,共5页FANG LiSong ZHANG Qiao DENG ChunLin LEI XinSheng LIN GuoQiang; the National Natural Science Foundation of China (20872019);Fudan University for the research financial support; Novel C-17-chloro-substituted derivative of vinorelbine or vinflunine has been regio-selectively synthesized via the chlorination reaction in the presence of Lewis acid.The catalyst Cp2TiCl2 plays a key role in the ch...; 关键词：ALKALOIDS HALOGENATION REGIO-SELECTIVITY SUBSTITUTION Lewis acids

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

SUBSTITUTION

检索结果分析

下载全文

高级检索检索式检索

时间限定

期刊范围

学科限定全选

高级检索 检索式检索

时间限定

期刊范围

学科限定全选

SUBSTITUTION

检索结果分析

下载全文

用户登录

高级检索检索式检索