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Title: Diketopyrrolopyrrole-Based Conjugated Polymer Entailing Triethylene Glycols as Side Chains with High Thin-Film Charge Mobility without Post-Treatments

Abstract

Side chain engineering of conjugated donor-acceptor polymers is a new way to manipulate their optoelectronic properties. Two new diketopyrrolopyrrole (DPP)-terthiophene-based conjugated polymers PDPP3T-1 and PDPP3T-2, with both hydrophilic triethylene glycol (TEG) and hydrophobic alkyl chains, are reported. It is demonstrated that the incorporation of TEG chains has a significant effect on the interchain packing and thin-film morphology with noticeable effect on charge transport. Polymer chains of PDPP3T-1 in which TEG chains are uniformly distributed can self-assemble spontaneously into a more ordered thin film. As a result, the thin film of PDPP3T-1 exhibits high saturated hole mobility up to 2.6 cm(2) V-1 s(-1) without any post-treatment. This is superior to those of PDPP3T with just alkyl chains and PDPP3T-2. Moreover, the respective field effect transistors made of PDPP3T-1 can be utilized for sensing ethanol vapor with high sensitivity (down to 100 ppb) and good selectivity.

Authors:
 [1];  [2];  [2];  [3];  [3];  [4];  [2];  [2];  [1]
  1. Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 P. R. China; University of Chinese Academy of Sciences, Beijing 100049 P. R. China
  2. Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 P. R. China
  3. Department of Materials and Centre for Plastic Electronics, Imperial College London, London SW72AZ UK
  4. Materials Science Division, Argonne National Laboratory, 9700 Cass Avenue Lemont IL 60439 USA; Institute for Molecular Engineering, The University of Chicago, 5640 South Ellis Avenue Chicago IL 60637 USA
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
Chinese Academy of Sciences (CAS); National Natural Science Foundation of China (NNSFC); USDOE Office of Science - Office of Basic Energy Sciences - Materials Sciences and Engineering Division
OSTI Identifier:
1393174
DOE Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article
Journal Name:
Advanced Science
Additional Journal Information:
Journal Volume: 4; Journal Issue: 8; Journal ID: ISSN 2198-3844
Publisher:
Wiley
Country of Publication:
United States
Language:
English
Subject:
charge carrier mobility; conjugated donor-acceptor polymer; diketopyrrolopyrrole; side chains; triethylene glycol

Citation Formats

Yang, Si-Fen, Liu, Zi-Tong, Cai, Zheng-Xu, Dyson, Matthew J., Stingelin, Natalie, Chen, Wei, Ju, Hua-Jun, Zhang, Guan-Xin, and Zhang, De-Qing. Diketopyrrolopyrrole-Based Conjugated Polymer Entailing Triethylene Glycols as Side Chains with High Thin-Film Charge Mobility without Post-Treatments. United States: N. p., 2017. Web. doi:10.1002/advs.201700048.
Yang, Si-Fen, Liu, Zi-Tong, Cai, Zheng-Xu, Dyson, Matthew J., Stingelin, Natalie, Chen, Wei, Ju, Hua-Jun, Zhang, Guan-Xin, & Zhang, De-Qing. Diketopyrrolopyrrole-Based Conjugated Polymer Entailing Triethylene Glycols as Side Chains with High Thin-Film Charge Mobility without Post-Treatments. United States. doi:10.1002/advs.201700048.
Yang, Si-Fen, Liu, Zi-Tong, Cai, Zheng-Xu, Dyson, Matthew J., Stingelin, Natalie, Chen, Wei, Ju, Hua-Jun, Zhang, Guan-Xin, and Zhang, De-Qing. Tue . "Diketopyrrolopyrrole-Based Conjugated Polymer Entailing Triethylene Glycols as Side Chains with High Thin-Film Charge Mobility without Post-Treatments". United States. doi:10.1002/advs.201700048.
@article{osti_1393174,
title = {Diketopyrrolopyrrole-Based Conjugated Polymer Entailing Triethylene Glycols as Side Chains with High Thin-Film Charge Mobility without Post-Treatments},
author = {Yang, Si-Fen and Liu, Zi-Tong and Cai, Zheng-Xu and Dyson, Matthew J. and Stingelin, Natalie and Chen, Wei and Ju, Hua-Jun and Zhang, Guan-Xin and Zhang, De-Qing},
abstractNote = {Side chain engineering of conjugated donor-acceptor polymers is a new way to manipulate their optoelectronic properties. Two new diketopyrrolopyrrole (DPP)-terthiophene-based conjugated polymers PDPP3T-1 and PDPP3T-2, with both hydrophilic triethylene glycol (TEG) and hydrophobic alkyl chains, are reported. It is demonstrated that the incorporation of TEG chains has a significant effect on the interchain packing and thin-film morphology with noticeable effect on charge transport. Polymer chains of PDPP3T-1 in which TEG chains are uniformly distributed can self-assemble spontaneously into a more ordered thin film. As a result, the thin film of PDPP3T-1 exhibits high saturated hole mobility up to 2.6 cm(2) V-1 s(-1) without any post-treatment. This is superior to those of PDPP3T with just alkyl chains and PDPP3T-2. Moreover, the respective field effect transistors made of PDPP3T-1 can be utilized for sensing ethanol vapor with high sensitivity (down to 100 ppb) and good selectivity.},
doi = {10.1002/advs.201700048},
journal = {Advanced Science},
issn = {2198-3844},
number = 8,
volume = 4,
place = {United States},
year = {2017},
month = {4}
}

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