Inner Doping of Carbon Nanotubes with Perovskites for Ultralow Power Transistors
Source abstract
Abstract
Abstract Semiconducting carbon nanotubes (CNTs) are considered as the most promising channel material to construct ultrascaled field‐effect transistors, but the perfect sp2 C─C structure makes stable doping difficult, which limits the electrical designability of CNT devices. Here, an inner doping method is developed by filling CNTs with 1D halide perovskites to form a coaxial heterojunction, which enables a stable n‐type field‐effect transistor for constructing complementary metal–oxide–semiconductor electronics. Most importantly, a quasi‐broken‐gap (BG) heterojunction tunnel field‐effect transistor (TFET) is first demonstrated based on an individual partial‐filling CsPbBr3/CNT and exhibits a subthreshold swing of 35 mV dec−1 with a high on‐state current of up to 4.9 µA per tube and an on/off current ratio of up to 105 at room temperature. The quasi‐BG TFET based on the CsPbBr3/CNT coaxial heterojunction paves the way for constructing high‐performance and ultralow power consumption integrated circuits.
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Research context
OpenAlex topics: Ga2O3 and related materials · Perovskite Materials and Applications · Nanowire Synthesis and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Key Laboratory for the Physics and Chemistry of Nanodevices and Center for Carbon‐based Electronics School of Electronics Peking University Beijing 100871 China
School of Integrated Circuits Nanjing University Suzhou Jiangsu 210023 China
State Key Laboratory of Silicon and Advanced Semiconductor Materials School of Materials Science and Engineering Zhejiang University Hangzhou Zhejiang 310027 China
Institute of Microelectronics Chinese Academy of Science Beijing 100029 China
State Key Laboratory of Silicon and Advanced Semiconductor Materials Key Laboratory of Excited‐State Materials of Zhejiang Province Department of Chemistry Zhejiang University Hangzhou 310027 China
Funding
National Natural Science Foundation of China · National Key Research and Development Program of China · Fundamental Research Funds for the Central Universities · Jihua Laboratory
References (52)
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