Tunable metallic-like transport in polypyrrole

Xiaoling Zang; Yuqian Jiang; Yuqiao Chai; Fengwang Li; Junhui Ji; Mianqi Xue

doi:10.1088/2752-5724/ac44ab

Volume 1 Issue 1

March 2021

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Xiaoling Zang, Yuqian Jiang, Yuqiao Chai, Fengwang Li, Junhui Ji, Mianqi Xue. Tunable metallic-like transport in polypyrrole[J]. Materials Futures, 2022, 1(1): 011001. doi: 10.1088/2752-5724/ac44ab

Citation:

Xiaoling Zang, Yuqian Jiang, Yuqiao Chai, Fengwang Li, Junhui Ji, Mianqi Xue. Tunable metallic-like transport in polypyrrole[J]. Materials Futures, 2022, 1(1): 011001. doi: 10.1088/2752-5724/ac44ab

Xiaoling Zang, Yuqian Jiang, Yuqiao Chai, Fengwang Li, Junhui Ji, Mianqi Xue. Tunable metallic-like transport in polypyrrole[J]. Materials Futures, 2022, 1(1): 011001. doi: 10.1088/2752-5724/ac44ab

Citation:

Xiaoling Zang, Yuqian Jiang, Yuqiao Chai, Fengwang Li, Junhui Ji, Mianqi Xue. Tunable metallic-like transport in polypyrrole[J]. Materials Futures, 2022, 1(1): 011001. doi: 10.1088/2752-5724/ac44ab

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Tunable metallic-like transport in polypyrrole

Materials Futures, Volume 1, Number 1

Received Date: 2021-11-02
Accepted Date: 2021-12-10
Available Online: 2023-01-06
Publish Date: 2022-02-16

Article information

doi: 10.1088/2752-5724/ac44ab

1 Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, People's Republic of China
2 Laboratory for Nanosystem and Hierarchy Fabrication, National Center for Nanoscience and Technology, Beijing, People's Republic of China
3 School of Chemical and Biomolecular Engineering and The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales, Australia
4 College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing, People's Republic of China
5 Beijing National Laboratory for Molecular Sciences, Beijing, People's Republic of China

Funds:

This work was supported by the National Natural Science Foundation of China (Grant Nos. 21875266 and 21622407), the Beijing National Laboratory for Molecular Sciences (Grant No. BNLMS201909), and the ‘Transformational Technologies for Clean Energy and Demonstration’ Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No. XDA21010214). The authors wish to thank Professor C Li for their discussion and support. XZ and YJ contributed equally to the work.

Abstract

Abstract

Conjugated polymers (CPs), organic macromolecules with a linear backbone of alternating C–C and C=C bonds, possess unique semiconductive properties, providing new opportunities for organic electronics, photonics, information, and energy devices. Seeking the metallic or metallic-like, even superconducting properties beyond semiconductivity in CPs is always one of the ultimate goals in polymer science and condensed matter. Only two metallic and semi-metallic transport cases—aniline-derived polyaniline and thiophene-derived poly(3,4-ethylenedioxythiophene)—have been reported since the development of CPs for four decades. Controllable synthesis is a key challenge in discovering more cases. Here we report the metallic-like transport behavior of another CP, polypyrrole (PPy). We observe that the transport behavior of PPy changes from semiconductor to insulator-metal transition, and gradually realizes metallic-like performance when the crystalline degree increases. Using a generalized Einstein relation model, we rationalized the mechanism behind the observation. The metallic-like transport in PPy demonstrates electron strong correlation and phonon–electron interaction in soft condensation matter, and may find practical applications of CPs in electrics and spintronics.
- conjugated polymers,
- metallic-like,
- polypyrrole,
- transport behavior

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References(35)

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