SUBSTITUTION

作品数：716被引量：1140H指数：13
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Surface doping effect on the optoelectronic performance of 2D organic crystals based on cyano-substituted perylene diimides
《Chinese Chemical Letters》2024年第9期193-197,共5页Jaeyong Ahn Zhenping Li Zhiwei Wang Ke Gao Huagui Zhuo Wanuk Choi Gang Chang Xiaobo Shang Joon Hak Oh 
supported by the National Research Foundation(NRF)of Korea(Nos.2023R1A2C3007715,2021R1A4A1032515,RS-2023-00281944);funded by the Ministry of Science and ICT(MSIT)of Korea;Korea Toray Science Foundation,Shaanxi Fundamental Science Research Project for Chemistry&Biology(No.22JHQ035);Natural Science Basic Research Program of Shaanxi Province(No.2024JC-YBMS-081)。
Compared to organic thin films,organic single crystals offer significant potential in organic phototransistors(OPTs)due to their enhanced charge transport,large surface area,and defect-free nature.However,the developm...
关键词：Doping effect PHOTOTRANSISTORS Perylene diimides Organic crystals Cyano substitution 
Regulating local chemical environment in O_(3)-type layered sodium oxides by dual-site Mg^(2+)/B^(3+)substitution achieves durable and high-rate cathode
《Chinese Chemical Letters》2024年第9期469-474,共6页Guangchang Yang Shenglong Yang Jinlian Yu Yishun Xie Chunlei Tan Feiyan Lai Qianqian Jin Hongqiang Wang Xiaohui Zhang 
supported by National Natural Science Foundation(Nos.52364035,52364036 and U23A20577);Guangxi Natural Science Foundation(Nos.2022GXNSFAA035610 and 2022GXNSFAA035471);Guangxi Science and Technology Base and Talent Project(No.GUIKE AD23026038).
The O_(3)-Na_(0.85)Ni_(0.2)Fe_(0.4)Mn_(0.4)O_(2)layered oxide cathode material possesses the advantages of high specific capacity,low cost,and simple synthesis.However,sluggish kinetics and complicated phase transitio...
关键词：Sodium-ion batteries Layered cathode material DFT calculation Local chemistry environment Magnesium/boron co-substitution 
One stone three birds:Ni-catalyzed asymmetric allenylic substitution of allenic ethers,hydroalkylation of 1,3-enynes and double alkylation of enynyl ethers
《Chinese Chemical Letters》2024年第8期282-287,共6页Zhirong Yang Shan Wang Ming Jiang Gengchen Li Long Li Fangzhi Peng Zhihui Shao 
supported by the National Natural Science Foundation of China (No.22171240)
The development of low-cost,earth-abundant and environmentally benign transition metal catalysts,which can catalyze multiple different types of asymmetric reactions,is an important objective in mod-ern asymmetric cata...
关键词：Nickel Asymmetric catalysis Allenylic substitution HYDROALKYLATION Double alkylation Allene 1 3-Enyne Pyrazolidine-3 5-dione 
Tuning the exciton binding energy of covalent organic frameworks for efficient photocatalysis
《Chinese Chemical Letters》2024年第2期577-583,共7页Zhangjie Gu Zhen Shan Yulan Wang Jinjian Wang Tongtong Liu Xiaoming Li Zhiyang Yu Jian Su Gen Zhang 
financially supported by the National Natural Science Foundation of China(No.22171136);the Natural Science Foundation of Jiangsu Province(Nos.BK20220928,BK20220079);the Fundamental Research Funds for the Central Universities(Nos.30921011102,30922010902);the Medical Innovation and Development Project of Lanzhou University(No.lzuyxcx-2022-156);CAMS Innovation Fund for Medical Sciences(CIFMS,Nos.2019-I2M-5-074,2021-I2M-1-026,2021-I2M-3-001);the Startup Funding from Nanjing University of Science and Technology(Nos.AE89990,AE89991/376);G.Zhang acknowledges the support of the Thousand Young Talent Plan.
Owing to the large exciton binding energy(>100 meV)of most organic materials,the process of exciton dissociation into free electrons and holes is seriously hindered,which plays a key role in the photocatalytic system....
关键词：Covalent organic frameworks Exciton binding energy Atom substitution Extended conjugation PHOTOCATALYSIS 
Mitigated lattice distortion and oxygen loss of Li-rich layered cathode materials through anion/cation regulation by Ti^(4+)-substitution
《Chinese Chemical Letters》2024年第2期548-552,共5页Kaicheng Zhang Yu Tian Xuanjin Chen Shan Hu Zelang Jian 
financially supported by the National Natural Science Foundation of China(Nos.51972258,22109186).
Lithium-rich layered cathode material(LLM)can meet the requirement of power lithium-ion energy storage devices due to the great energy density.However,the de/intercalation of Li+will cause the irreversible loss of lat...
关键词：Lithium-rich layered cathode material Ti-substitution Anion/cation regulation Structural stability Cycling stability 
Boosting Li-ion storage in Li2MnO_(3) by unequal-valent Ti4+-substitution and interlayer Li vacancies building被引量：1
《Chinese Chemical Letters》2023年第4期564-569,共6页Yu Tian Yuling Zhao Fanqi Meng Kaicheng Zhang Yanyuan Qi Yujie Zeng Congcong Cai Yuli Xiong Zelang Jian Yang Sun Lin Gu Wen Chena 
financially supported by the National Natural Science Foundation of China (Nos. 51972258 and 22109186);Open Fund by Sanya Science and Education Innovation Park of Wuhan University of Technology (No. 2021KF0021);supported by 21C Innovation Laboratory,Contemporary Amperex Technology Ltd. by Project No. 21C-OP-202002。
Lithium rich layered oxide(LRLO) has been considered as one of the promising cathodes for lithium-ion batteries(LIBs). The high voltage and large capacity of LRLO depend on Li2MnO_(3)phase. To ameliorate the electroch...
关键词：Lithium-ion batteries Li2MnO_(3) Unequal-valent Ti4+-substitution Interlayer Li vacancies Activated Mn3+/4+redox 
A hybrid organic-inorganic perovskite with robust SHG switching
《Chinese Chemical Letters》2022年第4期2143-2146,共4页Mengjuan Yang Hao Cheng Yuqiu Xu Mengzhen Li Yong Ai 
supported by the National Natural Science Foundation of China (No. 21901099)。
Owing to the diversity of structure and potential applications in the field of electrics,sensors,and light-emitting diodes,lead halide perovskites have attracted great attention in recent years.Especially those lead h...
关键词：Lead hybrid perovskite Second harmonic generation Single-crystal X-ray diffraction Nonlinear optical switching Halogen substitution 
Sulfur-substitution-enhanced crystallization and crystal structure of poly(trimethylene monothiocarbonate)
《Chinese Chemical Letters》2022年第2期1021-1024,共4页Xiaohan Cao Hongliang Wang Jialiang Yang Ruiyang Wang Xin Hong Xinghong Zhang Junting Xu Hai Wang 
financial support of the National Natural Science Foundation of China (Nos.21774108 and 21574116);the Distinguished Young Investigator Fund of Zhejiang Province (No.LR16B040001);the China Postdoctoral Science Foundation (No.2020M681818);the Center of Chemistry for Frontier Technologies of Zhejiang University。
In this paper,the crystallization behavior of a novel poly(monothiocarbonate),poly(trimethylene monothiocarbonate)(PTMMTC),was investigated and compared with its polycarbonate analogue,poly(trimethylene carbonate)(PTM...
关键词：Poly(monothiocarbonate) Polycarbonate Crystallization behavior Crystal structure Sulfur substitution enhanced crystallization 
Effective design of A-D-A small molecules for high performance organic solar cells via F atom substitution and thiophene bridge
《Chinese Chemical Letters》2019年第12期2263-2265,共3页Anwang He Yuancheng Qin Weili Dai Dan Zhou Jianping Zou 
financially supported by the National Natural Science Foundation of China (Nos.51663018,51703091);Outstanding Youth Funds of Jiangxi Province (No.20171BCB23056)
Three novel small molecules with acceptor-donor-acceptor(A-D-A) configuration,SBDT1,SBDT2 and SBDT3,where 4,8-bis(octyloxy)benzo[1,2-b:4,5-b’]dithiophene(BDT) as the electron-donating core connecting to thiophene-sub...
关键词：A-D-A small molecule BENZOTHIADIAZOLE FLUORINATION Organic solar cells 
Fluorescent probes for detection of biothiols based on “aromatic nucleophilic substitution-rearrangement” mechanism被引量：3
《Chinese Chemical Letters》2019年第10期1791-1798,共8页Yan-Fei Kang Li-Ya Niu Qing-Zheng Yang 
financially supported by the National Natural Science Foundation of China (No. 21525206)
Biothiols,including cysteine(Cys),homocysteine(Hey),and glutathione(GSH) play important roles in physiological processes,and the detection of thiol using fluorescent probes has attracted attention due to their high se...
关键词：Biothiols FLUORESCENT probes AROMATIC NUCLEOPHILIC SUBSTITUTION REARRANGEMENT FLUOROPHORES Bioapplication 
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