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Charge Mobility Enhancement for Conjugated DPP-Selenophene Polymer by Simply Replacing One Bulky Branching Alkyl Chain with Linear One at Each DPP Unit
Wang, Zhijie1,2; Liu, Zitong1; Ning, Lu1,2; Xiao, Mingfei3; Yi, Yuanping1,2; Cai, Zhengxu4; Sadhanala, Aditya3; Zhang, Guanxin1; Chen, Wei5,6,7; Sirringhaus, Henning3; Zhang, Deqing1,2
2018-05-08
Source PublicationCHEMISTRY OF MATERIALS
ISSN0897-4756
Volume30Issue:9Pages:3090-3100
AbstractWe demonstrate a simple, but efficient, approach for improving the semiconducting performances of DPP-based conjugated D-A polymers. This approach involves the replacement of one bulky branching alkyl chain with the linear one at each DPP unit in regular polymer PDPPSe-10 and PDPPSe-12. The UV-vis absorption, Raman spectra, PDS data, and theoretical calculations support that the replacement of bulky branching chains with linear ones can weaken the steric hindrance, and accordingly conjugated backbones become more planar and rigid. GIWAXS data show that the incorporation of linear alkyl chains as in PDPPSe-10 and PDPPSe-12 is beneficial for side-chain interdigitation and interchain dense packing, leading to improvement of interchain packing order and thin film crystallinity by comparing with PDPPSe, which contains branching alkyl chains. On the basis of field-effect transistor (FET) studies, charge mobilities of PDPPSe-10 and PDPPSe-12 are remarkably enhanced. Hole mobilities of PDPPSe-10 and PDPPSe-12 in air are boosted to 8.1 and 9.4 cm(2) V-1 s(-1), which are about 6 and 7 times, respectively, than that of PDPPSe (1.35 cm(2) V-1 s(-1)). Furthermore, both PDPPSe-10 and PDPPSe-12 behave as ambipolar semiconductors under a nitrogen atmosphere with increased hole/electron mobilities up to 6.5/0.48 cm(2) V-1 s(-1) and 7.9/0.79 cm(2) V-1 s(-1), respectively.
DOI10.1021/acs.chemmater.8b01007
Indexed BySCI
Language英语
WOS IDWOS:000431926700025
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:31[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/43176
Collection中国科学院化学研究所
Corresponding AuthorLiu, Zitong; Zhang, Deqing
Affiliation1.Chinese Acad Sci, Beijing Natl Labs Mol Sci, CAS Key Labs Organ Solids, CAS Res Educ Ctr Excellence Mol Sci,Inst Chem, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Univ Cambridge, Cavendish Lab, JJ Thomson Ave, Cambridge CB3 0HE, England
4.Beijing Inst Technol, Sch Mat Sci & Engn, Beijing Key Lab Construct Tailorable Adv Funct Ma, Beijing 100081, Peoples R China
5.Argonne Natl Lab, Inst Mol Engn, 9700 Cass Ave, Lemont, IL 60439 USA
6.Argonne Natl Lab, Mat Sci Div, 9700 Cass Ave, Lemont, IL 60439 USA
7.Univ Chicago, Inst Mol Engn, 5640 South Ellis Ave, Chicago, IL 60637 USA
Recommended Citation
GB/T 7714
Wang, Zhijie,Liu, Zitong,Ning, Lu,et al. Charge Mobility Enhancement for Conjugated DPP-Selenophene Polymer by Simply Replacing One Bulky Branching Alkyl Chain with Linear One at Each DPP Unit[J]. CHEMISTRY OF MATERIALS,2018,30(9):3090-3100.
APA Wang, Zhijie.,Liu, Zitong.,Ning, Lu.,Xiao, Mingfei.,Yi, Yuanping.,...&Zhang, Deqing.(2018).Charge Mobility Enhancement for Conjugated DPP-Selenophene Polymer by Simply Replacing One Bulky Branching Alkyl Chain with Linear One at Each DPP Unit.CHEMISTRY OF MATERIALS,30(9),3090-3100.
MLA Wang, Zhijie,et al."Charge Mobility Enhancement for Conjugated DPP-Selenophene Polymer by Simply Replacing One Bulky Branching Alkyl Chain with Linear One at Each DPP Unit".CHEMISTRY OF MATERIALS 30.9(2018):3090-3100.
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