HELICENE

作品数：17被引量：22H指数：3
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相关领域：理学更多>>
相关作者：王华更多>>
相关机构：河南大学更多>>
相关期刊：《有机化学》《Chinese Journal of Structural Chemistry》《Precision Chemistry》《Aggregate》更多>>
相关基金：国家自然科学基金中国博士后科学基金国家重点基础研究发展计划更多>>
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A Double Helicene with Quadruple Indole-Fused Skeleton and Double NBN-Type Cove-Edged Structure
《Chinese Journal of Chemistry》2024年第23期3069-3074,共6页Lingjuan Chen Jiaqi Dong Dehui Tan Jianfeng Wu Deng-Tao Yang 
the National Natural Science Foundation of China(22001211);the Key Research and Development Program of Shaanxi Province(2023YBGY-454);Shaanxi Fundamental Science Research Project for Chemistry&Biology(Grant No.22JHQ015)for financial support;This project is also supported by the Opening Project of Key Laboratory of Optoelectronic Chemical Materials and Devices of Ministry of Education,Jianghan University(No.JDGD-202208);the Fundamental Research Funds for the Central Universities.
Construction of helicenes by inducing heteroatoms has regarded as an effective strategy to enhance the chiroptical properties.We report a facile synthesis of a multiple helicene based on four indoles with two electron...
关键词：NBN Double helicene Cove-edged Indole-fused π-conjugated 
On-surface Synthesis of Multiple Non-benzenoid Carbohelicenes Fused with Fluorene Unit(s)
《Chinese Journal of Chemistry》2024年第22期2811-2817,共7页Wei Xiong Xi Geng Jianchen Lu Gefei Niu Boyu Fu Yi Zhang Shicheng Li Yuhang Yang Nianqiang Li Lei Gao Jinming Cai 
supported by the National Natural Science Foundation of China(Nos.62271238,22372074,62301240);Yunnan Fundamental Research Projects(Nos.202201AT070078,202201BE070001-009 and 202301AW070017);the Major Basic Research Project of Science and Technology of Yunnan(202302AG050007);Yunnan Innovation Team of Graphene Mechanism Research and Application Industrialization(202305AS350017);Graphene Application and Engineering Research Centre of Education Department of Yunnan Providence(KKPP202351001);the Analysis and Testing Foundation of KUST(2021T20170056).
Carbohelicenes have garnered considerable attention for their inherent chirality and structural flexibility.Increasing multi-helicity and incorporating non-six-membered rings to substitute benzenoid rings within helic...
关键词：HELICENE Scanning tunneling microscopy On-surface synthesis Helicity switching Hydrocarbons Molecular recognition Nanostructures 
Triple Aza[6]helicenes with Circularly Polarized Luminescence:N-Alkylation as a Tool to Tune the Chiroptical Properties
《有机化学》2024年第9期2841-2846,共6页Xia Yufei Jiang Li Yang Qiao Yu Xiu Chen Fengkun 
国家自然科学基金(No.22171044)资助项目.
Recently,multiple helicenes have attracted enormous attention due to their exceptionally distorted conjugated architectures,appealing optical properties and unique spatial stacking patterns.The electronic and optical ...
关键词：HELICENE multiple heterohelicene chiral resolution circularly polarized luminescence ALKYLATION 
Quadruple[6]Helicene Featuring Pyrene Core:Unraveling Contorted Aromatic Core with Larger Effective Conjugation
《Precision Chemistry》2024年第9期488-494,共7页Christopher Wallerius Otgonbayar Erdene-Ochir Eva Van Doeselar Ronald Alle Anh Tu Nguyen Marvin F.Schumacher Arne Lützen Klaus Meerholz Sai Ho Pun 
supported by Deutsche Forschungsgemeinschaft(DFG)through RTG 2591“Template-Designed Organic Electronics”;the Manchot Foundation for a doctoral scholarship.
Multiple helicenes display distinct aromatic cores characterized by highly twisted rings that are shared or fused with constituent helicene moieties.Diversifying these aromatic cores unlocks avenues for creating multi...
关键词：HELICENES Polycyclic aromatics PYRENE Core contortion Effective conjugation 
Helicene-type β-isoindigo-based boron-dipyrromethene analogs with strong near-infrared chiroptical activity
《Aggregate》2024年第3期268-274,共7页Ziwei Chen Zhigang Ni Xing-Yu Chen Yongqiang Xu Chunyan Yu SiSi Wang Xiao-Ye Wang Hua Lu 
National Natural Science Foundation of China,Grant/Award Numbers:21871072,22003014;Hangzhou Normal University。
Near-infrared(NIR)chiroptical response has been less explored because it is chal-lenging to achieve both chirality and NIR absorption/emission.Herein,we describe the design of heterohelicene-typeβ-isoindigo-based bor...
关键词：BODIPY chiroptical activity circularly polarized luminescence HELICENE NEAR-INFRARED 
Reactivity,Regioselectivity,and Synthetic Application of 2-Pyrenyl Units in Scholl Reactions被引量：1
《CCS Chemistry》2023年第9期2069-2077,共9页Sai Ho Pun Ethan Chi Ho Wen Zeming Xia Han Chen Felix RFischer Qian Miao 
supported by the University Grants Committee(Hong Kong)through a Research Matching Grant,Deutsche Forschungsgemeinschaft(DFG)through the research training group“Template-Designed Organic Electronics(TIDE)”(RTG 2591);the U.S.Department of Energy(DOE),Office of Science,Basic Energy Sciences(BES),Materials Sciences and Engineering Division under contract no.DE-AC02-05-CH11231(Nanomachine program KC1203)and contract no.DE-SC0023105.
We herein report the reactivity and regioselectivity of 2-pyrenyl as a coupling unit in Scholl reactions.On the basis of the Scholl reactions of hexaarylbenzene substrates,we have found that pyrenyl units are preferab...
关键词：HELICENE polycyclic aromatics PYRENE Scholl reactions spin density 
A fan-shaped synthetic chiral nanographene被引量：1
《Chinese Chemical Letters》2023年第2期154-157,共4页Haonan Shi Bangyuan Xiong Ying Chen Chaojun Lin Jiajian Gu Yanpeng Zhu Jiaobing Wang 
supported by the National Natural Science Foundation of China(Nos.21871298,91956118)。
We report the synthesis and characterization of a fan-shaped chiral nanographene 1,which is composed of 6 hexabenzocoronene subunits with 216 conjugated carbon atoms.In the dehydrocyclization reaction,38 C–C bonds ar...
关键词：NANOGRAPHENE Molecular nanocarbon CHIRALITY Polycyclic aromatic hydrocarbon HELICENE 
Research Advances in Helicene Structure-Based Chiral Luminescent Materials and Their Circularly Polarized Electroluminescence被引量：1
《Chinese Journal of Structural Chemistry》2022年第12期70-79,共10页Xu-Feng Luo Jie He Yang Wang Hong Dai Zheng-Guang Wu 
National Natural Science Foundation of China(No.22005158);Program of High Level Talents(Nos.03083064 and JSSCBS20211122);Large Instruments Open Foundation of Nantong University.
Benefited from direct generation of circularly polarized(CP) emission with tunable colors, high efficiencies and facile device architectures, CP organic light-emitting diodes(CP-OLEDs) have attracted great attention a...
关键词：HELICENE circularly polarized luminescence circularly polarized electroluminescence chiral luminescent material thermally activated delayed fluorescence 
Simple Double Hetero[5]helicenes Realize Highly Efficient and Narrowband Circularly Polarized Organic Light-Emitting Diodes被引量：3
《CCS Chemistry》2022年第11期3463-3471,共9页Wei Yang Nengquan Li Jingsheng Miao Lisi Zhan Shaolong Gong Zhongyan Huang Chuluo Yang 
This work was supported by the National Natural Science Foundation of China(grant nos.52130308,51903160,and 52022071);Shenzhen Science and Technology Program(grant no.KQTD20170330110107046);the Shenzhen Technology and Innovation Commission(grant no.JCYJ20180507182244027).
Helicene-based emitters with unique inherent circularly polarized luminescence(CPL)are promising yet remain a formidable challenge for highly efficient circularly polarized organic light-emitting diodes(CP-OLEDs),ascr...
关键词：helical chirality multiple-resonance thermally activated delayed fluorescence circularly polarized organic light-emitting diodes double helicene 
Molecular self-induced configuration for improving dissymmetry factors in tetradentate platinum(Ⅱ) enantiomers cycloaddition被引量：1
《Chinese Chemical Letters》2022年第3期1459-1462,共4页Li Yuan Qian-Jun Ding Zhen-Long Tu Xiang-Ji Liao Xu-Feng Luo Zhi-Ping Yan Zheng-Guang Wu You-Xuan Zheng 
supported by the National Natural Science Foundation of China (Nos. 51773088 and 21975119)。
Two pairs of Pt(Ⅱ) enantiomers((RR)/(SS)-Py Pt,((RR)/(SS)-Py: N,N’-(1,2-diphenylethane-1,2-diyl)dipicolinamide;(RR)-P/M-QPt,((RR)/(SS)-Q: N,N’-((1R,2R)-1,2-diphenylethane-1,2-diyl)bis(quinoline-2-carboxamide)) were...
关键词：Pt(Ⅱ)enantiomer Circularly polarized luminescence Dissymmetry factor Molecular self-induction Helicene-like structure 
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