High-Performance Organic Electrochemical Transistor Based on Photo-annealed Plasmonic Gold Nanoparticle-Doped PEDOT:PSS

Linrong Zhang; Li Wang; Shunhao He; Chengcheng Zhu; Zhongyan Gong; Yulong Zhang; Junjie Wang; Liuyingzi Yu; Kun Gao; Xing Kang; Yaxin Song; Gang Lu; Hai Dong Yu

doi:10.1021/ACSAMI.2C19867

High-Performance Organic Electrochemical Transistor Based on Photo-annealed Plasmonic Gold Nanoparticle-Doped PEDOT:PSS

Linrong Zhang, Li Wang, Shunhao He, Chengcheng Zhu, Zhongyan Gong, Yulong Zhang, Junjie Wang, Liuyingzi Yu, Kun Gao, Xing Kang, Yaxin Song, Gang Lu, Hai Dong Yu

Institute of Flexible Electronics

Nanjing Tech University

Research output: Contribution to journal › Article › peer-review

23 Scopus citations

Abstract

Organic electrochemical transistors (OECTs), particularly the ones based on PEDOT:PSS, are excellent candidates for chemical and biological sensing because of their unique advantages. Improving the sensitivity and stability of OECTs is crucially important for practical applications. Herein, the transconductance of OECT is improved by 8-fold to 14.9 mS by doping the PEDOT:PSS channel with plasmonic gold nanoparticles (AuNPs) using a solution-based process followed by photo annealing. In addition, the OECT also possesses high flexibility and cyclic stability. It is revealed that the doping of AuNPs increases the conductivity of PEDOT:PSS and the photo annealing improves the crystallinity of the PEDOT:PSS channel and the interaction between AuNPs and PEDOT:PSS. These changes lead to the increase in transconductance and cyclic stability. The prepared OECTs are also demonstrated to be effective in sensitive detection of glucose within a wide concentration range of 10 nM−1 mM. Our OECTs based on photo-annealed plasmonic AuNP-doped PEDOT:PSS may find great applications in chemical and biological sensing, and this strategy may be extended to prepare many other high-performance OECT-based devices.

Original language	English
Pages (from-to)	3224-3234
Number of pages	11
Journal	ACS Applied Materials and Interfaces
Volume	15
Issue number	2
DOIs	https://doi.org/10.1021/ACSAMI.2C19867
State	Published - 18 Jan 2023

Keywords

gold nanoparticle
photo annealing
plasmonic heating
transconductance

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10.1021/ACSAMI.2C19867

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title = "High-Performance Organic Electrochemical Transistor Based on Photo-annealed Plasmonic Gold Nanoparticle-Doped PEDOT:PSS",

abstract = "Organic electrochemical transistors (OECTs), particularly the ones based on PEDOT:PSS, are excellent candidates for chemical and biological sensing because of their unique advantages. Improving the sensitivity and stability of OECTs is crucially important for practical applications. Herein, the transconductance of OECT is improved by 8-fold to 14.9 mS by doping the PEDOT:PSS channel with plasmonic gold nanoparticles (AuNPs) using a solution-based process followed by photo annealing. In addition, the OECT also possesses high flexibility and cyclic stability. It is revealed that the doping of AuNPs increases the conductivity of PEDOT:PSS and the photo annealing improves the crystallinity of the PEDOT:PSS channel and the interaction between AuNPs and PEDOT:PSS. These changes lead to the increase in transconductance and cyclic stability. The prepared OECTs are also demonstrated to be effective in sensitive detection of glucose within a wide concentration range of 10 nM−1 mM. Our OECTs based on photo-annealed plasmonic AuNP-doped PEDOT:PSS may find great applications in chemical and biological sensing, and this strategy may be extended to prepare many other high-performance OECT-based devices.",

keywords = "gold nanoparticle, photo annealing, plasmonic heating, transconductance",

author = "Linrong Zhang and Li Wang and Shunhao He and Chengcheng Zhu and Zhongyan Gong and Yulong Zhang and Junjie Wang and Liuyingzi Yu and Kun Gao and Xing Kang and Yaxin Song and Gang Lu and Yu, {Hai Dong}",

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doi = "10.1021/ACSAMI.2C19867",

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T1 - High-Performance Organic Electrochemical Transistor Based on Photo-annealed Plasmonic Gold Nanoparticle-Doped PEDOT:PSS

AU - Zhang, Linrong

AU - Wang, Li

AU - He, Shunhao

AU - Zhu, Chengcheng

AU - Gong, Zhongyan

AU - Zhang, Yulong

AU - Wang, Junjie

AU - Yu, Liuyingzi

AU - Gao, Kun

AU - Kang, Xing

AU - Song, Yaxin

AU - Lu, Gang

AU - Yu, Hai Dong

PY - 2023/1/18

Y1 - 2023/1/18

N2 - Organic electrochemical transistors (OECTs), particularly the ones based on PEDOT:PSS, are excellent candidates for chemical and biological sensing because of their unique advantages. Improving the sensitivity and stability of OECTs is crucially important for practical applications. Herein, the transconductance of OECT is improved by 8-fold to 14.9 mS by doping the PEDOT:PSS channel with plasmonic gold nanoparticles (AuNPs) using a solution-based process followed by photo annealing. In addition, the OECT also possesses high flexibility and cyclic stability. It is revealed that the doping of AuNPs increases the conductivity of PEDOT:PSS and the photo annealing improves the crystallinity of the PEDOT:PSS channel and the interaction between AuNPs and PEDOT:PSS. These changes lead to the increase in transconductance and cyclic stability. The prepared OECTs are also demonstrated to be effective in sensitive detection of glucose within a wide concentration range of 10 nM−1 mM. Our OECTs based on photo-annealed plasmonic AuNP-doped PEDOT:PSS may find great applications in chemical and biological sensing, and this strategy may be extended to prepare many other high-performance OECT-based devices.

AB - Organic electrochemical transistors (OECTs), particularly the ones based on PEDOT:PSS, are excellent candidates for chemical and biological sensing because of their unique advantages. Improving the sensitivity and stability of OECTs is crucially important for practical applications. Herein, the transconductance of OECT is improved by 8-fold to 14.9 mS by doping the PEDOT:PSS channel with plasmonic gold nanoparticles (AuNPs) using a solution-based process followed by photo annealing. In addition, the OECT also possesses high flexibility and cyclic stability. It is revealed that the doping of AuNPs increases the conductivity of PEDOT:PSS and the photo annealing improves the crystallinity of the PEDOT:PSS channel and the interaction between AuNPs and PEDOT:PSS. These changes lead to the increase in transconductance and cyclic stability. The prepared OECTs are also demonstrated to be effective in sensitive detection of glucose within a wide concentration range of 10 nM−1 mM. Our OECTs based on photo-annealed plasmonic AuNP-doped PEDOT:PSS may find great applications in chemical and biological sensing, and this strategy may be extended to prepare many other high-performance OECT-based devices.

KW - gold nanoparticle

KW - photo annealing

KW - plasmonic heating

KW - transconductance

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High-Performance Organic Electrochemical Transistor Based on Photo-annealed Plasmonic Gold Nanoparticle-Doped PEDOT:PSS

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