检索结果-南通市图书馆

Regioisomeric polymer semiconductors Based on Cyano-Functionalized Dialkoxybithiophenes:Structure-Property Relationship and Photovoltaic Performance

引用

Transactions of Tianjin University 2022年第5期28卷 385-397页

作者： Qingqing Bai Jun Huang Han Guo Suxiang Ma Jie Yang Bin Liu Kun Yang Huiliang Sun Han Young Woo Li Niu Xugang Guo Center for Advanced Analytical Science School of Chemistry and Chemical EngineeringGuangzhou UniversityGuangzhou 510006China Department of Materials Science and Engineering Southern University of Science and TechnologyShenzhen 518055China State Key Laboratory of Luminescent Materials and Devices South China University of TechnologyGuangdong 510640China Department of Chemistry Korea UniversitySeoul 136-713South Korea

Cyano substitution is vital to the molecular design of polymer semiconductors toward highly efficient organic solar ***,how regioselectivity impacts relevant optoelectronic properties in cyano-substituted bithiophene systems remain poorly *** regioisomeric cyano-functionalized dialkoxybithiophenes BT_(HH),BT_(HT),and BT_(TT) with headto-head,head-to-tail,and tail-to-tail linkage,respectively,were synthesized and characterized in this *** resulting polymer semiconductors(PBDTBTs)based on these building blocks were prepared *** regiochemistry and property relationships of PBDTBTs were investigated in *** BTHH moiety has a higher torsional barrier than the analogs BT_(HT) and BT_(TT),and the regiochemistry of dialkoxybithiophenes leads to fine modulation in the optoelectronic properties of these polymers,such as optical absorption,band gap,and energy levels of frontier molecular *** field-effect transistors based on PBDTBT_(HH) had higher hole mobility(4.4×10^(-3) cm^(2)/(V·s))than those(ca.10^(-4) cm^(2)/(V·s))of the other two polymer *** different short-circuit current densities and fill factors were obtained in polymer solar cells using PBDTBTs as the electron *** difference was probed in greater detail by performing space-charge-limited current mobility,thin-film morphology,and transient photocurrent/photovoltage *** findings highlight that the BTHH unit is a promising building block for the construction of polymer donors for highperformance organic photovoltaic cells.

关键词： Cyano substitution Regioselectivity Organic photovoltaic cells polymer semiconductors Mobility

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Diketopyrrolopyrrole-based Conjugated polymers as Representative semiconductors for High-Performance Organic Thin-Film Transistors and Circuits

引用

Chinese Journal of polymer Science 2023年第5期41卷 671-682,I0006页

作者： Kai-Qing Liu Yuan-He Gu Zheng-Ran Yi Yun-Qi Liu Zhuhai Fudan Innovation Institution Zhuhai 518057China Department of Environmental Science and Engineering Faculty of Innovation EngineeringMacao University of Science and TechnologyMacao 999078China Key Laboratory of Organic Solids Beijing National Laboratory for Molecular SciencesInstitute of ChemistryChinese Academy of SciencesBeijing 100190China

Since the first report of diketopyrrolopyrrole(DPP)-based conjugated polymers for organic thin-film transistors(OTFTs),these polymers have attracted great attention as representative semiconductors in high-performance *** unremitting efforts in molecular-structure regulation and device optimization,significant mobilities exceeding 10 cm2·V–1·s–1 have been achieved in OTFTs,greatly promoting the applied development of organic *** this review,we summarize our progress in molecular design,synthesis and solution-processing of DPP-based conjugated polymers for OTFT devices and circuits,focusing on the roles of design strategies,synthesis methods and processing ***,the remaining issues and future outlook in the field are briefly discussed.

关键词： Diketopyrrolopyrrole polymer semiconductors Organic thin-film transistor Organic circuits

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Recent advances in developing high‑performance organic hole transporting materials for inverted perovskite solar cells

引用

Frontiers of Optoelectronics 2022年第4期15卷 51-64页

作者： Xianglang Sun Zonglong Zhu Zhong’an Li Key Laboratory for Material Chemistry of Energy Conversion and Storage Ministry of EducationSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan 430074China Department of Chemistry City University of Hong KongKowloon 999077Hong KongChina

Inverted perovskite solar cells(PVSCs)have recently made exciting progress,showing high power conversion efciencies(PCEs)of 25%in single-junction devices and 30.5%in silicon/perovskite tandem *** hole transporting material(HTM)in an inverted PVSC plays an important role in determining the device performance,since it not only extracts/transports holes but also afects the growth and crystallization of perovskite ***,polymer and self-assembled monolayer(SAM)have been considered as two types of most promising HTM candidates for inverted PVSCs owing to their high PCEs,high stability and adaptability to large area *** this review,recent encouraging progress of high-performance polymer and SAM-based HTMs is systematically reviewed and summarized,including molecular design strategies and the correlation between molecular structure and device *** hope this review can inspire further innovative development of HTMs for wide applications in highly efcient and stable inverted PVSCs and the tandem devices.

关键词： Inverted perovskite solar cells High-performance Hole transporting materials polymer semiconductors Self-assembled monolayer

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

High-Mobility Ambipolar Benzodifurandione-Based Copolymers with Regular Donor–Acceptor Dyads Synthesized via Aldol Polycondensation

引用

CCS Chemistry 2023年第11期5卷 2603-2616页

作者： Qian Che Weifeng Zhang Xuyang Wei Yankai Zhou Hao Luo Jinbei Wei Liping Wang Gui Yu Beijing National Laboratory for Molecular Sciences CAS Research/Education Center for Excellence in Molecular SciencesInstitute of ChemistryChinese Academy of SciencesBeijing 100190 School of Chemical Sciences University of Chinese Academy of SciencesBeijing 100049 School of Materials Science and Engineering University of Science and Technology BeijingBeijing 100083

In this study,a family of three benzodifurandione-baseddonor–acceptor(D–A)copolymers,namelypoly[3,7-bis((E)-1-(4-octadecyldocosyl)-2-oxo-6-yl-indolin-3-ylidene)-3,7-dihydrobenzo[1,2-b:4,5-b′]difuran-2,6-dionealt-(E)-1,2-di(2,2′-bithiophen-5-yl)ethene](PBDO-DTE),poly[3,7-bis((E)-7-fluoro-1-(4-octadecyldocosyl)-2-oxo-6-yl-indolin-3-ylidene)-3,7-dihydrobenzo[1,2-b:4,5-b′]difuran-2,6-dione-alt-(E)-1,2-di(2,2′-bithiophen-5-yl)ethene](PFBDO-DTE),and poly[(3E,7E)-3,7-bis(1-(4-octadecyldocosyl)-2-oxo-6-yl-1,2-dihydro-3Hpyrrolo[2,3-b]pyridin-3-ylidene)-3,7-dihydrobenzo[1,2-b:4,5-b′]difuran-2,6-dione-alt-(E)-1,2-di(2,2′-bithiophen-5-yl)ethene](PNBDO-DTE),was designed and synthesized by employing aldol polycondensation reactions between benzodifurandione and bisindolin-2-ones in high *** incorporation of fluorine or sp2-hybridized nitrogen atoms on the bisindolin-2-one unit induced S…F or S…N nonbonding interactions-locked polymeric conjugated backbones for PFBDO-DTE and PNBDO-DTE,*** photoelectron spectroscopy and inverse photoemission spectroscopy measurements revealed that the two copolymers have lower frontier molecular orbitals than that of *** force microscopy and two-dimensional grazing-incidence wide-angle X-ray scattering investigations indicated the PNBDO-DTE copolymer could form more ordered molecular aggregation in the solid state than PBDO-DTE and PFBDO-DTE *** fabricated thin film transistors based on these copolymers on plastic polyethylene terephthalate substrates,and they all showed ambipolar charge transport *** them,the PNBDO-DTE-based devices afforded optimal charge transport characteristics with high hole and electron mobilities of 5.16 and 1.33cm^(2)V^(−1)s^(−1),*** study highlights that aldol polycondensation would be an extremely useful protocol in constructing high-performance polymer semiconductors.

关键词： aldol polycondensation polymer semiconductors thin filmtransistors ambipolar charge transport nonbonding interactions mobilities

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Synergistic Effects of Solvent Vapor Assisted Spin-coating and Thermal Annealing on Enhancing the Carrier Mobility of Poly(3-hexylthiophene)Field-effect Transistors

引用

Chinese Journal of polymer Science 2021年第7期39卷 849-855页

作者： Xiao-Lan Qiao Jie Yang Lian-He Han Ji-Dong Zhang Mei-Fang Zhua State Key Laboratory for Modification of Chemical Fibers and polymer Materials College of Materials Science and EngineeringDonghua UniversityShanghai 201620China State Key Laboratory of polymer Physics and Chemistry Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022China

Poly(3-hexylthiophene)(P3HT)thin films,obtained by normal spin-coating and solvent vapor assisted spin-coating(SVASP)before and after thermal annealing(TA),and the corresponding devices were prepared to unravel the microstructure-property relationship,which is of great importance for the development of organic *** SVASP-TA films were used as the active layers of the organic field-effect transistors,a hole mobility up to 0.38 cm^(2)·V^(-1)·s^(-1)was *** mobility was one of the highest values and one order of magnitude higher than that of the normal spin-coating films based *** relationship between the microstructure and the device performance was fully investigated by UV-Vis absorption spectra,grazing incident X-ray diffraction(GIXD),and atomic force microscopy(AFM).The impressive mobility was attributed to the high crystallinity and ordered molecule packing,which stem from the synergistic effects of SVASP and thermal annealing.

关键词： Poly(3-hexylthiophene) polymer field-effect transistors Microstructure polymer semiconductors

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：