journal article·2023-07Open access

A Methodology of Fabricating Novel Electrodes for Semiconductor Devices: Doping and Van der Waals Integrating Organic Semiconductor Films

Ping‐An Chen, Junjun Guo, Xinwen Yan, Yu Liu, Huan Wei, Xincan Qiu, Jiangnan Xia, Jing Guo, Jiaqi Ding, Zhenqi Gong, Chen Chen, Ting Lei, Huajie Chen, Zebing Zeng, Yuanyuan Hu

Small· Volume 19· Issue 27

Abstract

Abstract Electrodes are indispensable components in semiconductor devices, and now are mainly made from metals, which are convenient for use but not ideal for emerging technologies such as bioelectronics, flexible electronics, or transparent electronics. Here the methodology of fabricating novel electrodes for semiconductor devices using organic semiconductors (OSCs) is proposed and demonstrated. It is shown that polymer semiconductors can be heavily p‐ or n‐doped to achieve sufficiently high conductivity for electrodes. In contrast with metals, the doped OSC films (DOSCFs) are solution‐processable, mechanically flexible, and have interesting optoelectronic properties. By integrating the DOSCFs with semiconductors through van der Waals contacts different kinds of semiconductor devices can be constructed. Importantly, these devices exhibit higher performance than their counterparts with metal electrodes, and/or excellent mechanical or optical properties that are unavailable in metal‐electrode devices, suggesting the superiority of DOSCF electrodes. Given the existing large amount of OSCs, the established methodology can provide abundant electrode choices to meet the demand of various emerging devices.
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Research context

OpenAlex topics: Advanced Memory and Neural Computing · Organic Electronics and Photovoltaics · Nanowire Synthesis and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

International Science and Technology Innovation Cooperation Base for Advanced Display Technologies of Hunan Province School of Physics and Electronics Hunan University Changsha 410082 P. R. China

Shenzhen Research Institute of Hunan University Shenzhen 518063 P. R. China

Changsha Semiconductor Technology and Application Innovation Research Institute College of Semiconductors (College of Integrated Circuits) Hunan University Changsha 410082 P. R. China

Institute of Functional Nano & Soft Materials (FUNSOM) Jiangsu Key Laboratory for Carbon‐Based Functional Materials and Devices Soochow University Suzhou 215123 P. R. China

Key Laboratory of Polymer Chemistry and Physics of Ministry of Education School of Materials Science and Engineering Peking University Beijing 100871 P. R. China

Science and Technology on Advanced Ceramic Fibers and Composites Laboratory College of Aerospace Science and Engineering National University of Defense Technology Changsha 410000 P. R. China

Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education College of Chemistry Xiangtan University Xiangtan 411105 P. R. China

State Key Laboratory of Chemo/Biosensing and Chemometrics College of Chemistry and Chemical Engineering Hunan University Changsha 410082 P. R. China

Funding

National Key Research and Development Program of China · National Natural Science Foundation of China · Science, Technology and Innovation Commission of Shenzhen Municipality

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