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Self-Assembled Peptide Nanofibers with Voltage-Regulated Inverse Photoconductance
Shi HY(石慧瑶)1,2,3; Li ML(李明林)4,5; Shi JL(施佳林)1,2,3; Zhang, Dindong6; Fan Z(范震)7; Zhang MJ(张明君)8; Liu LQ(刘连庆)1,2,3
Department机器人学研究室
Source PublicationACS Applied Materials and Interfaces
ISSN19448244
2021
Volume13Issue:1Pages:1057-1064
Indexed BySCI ; EI
EI Accession number20210509858567
WOS IDWOS:000611066000102
Contribution Rank1
Funding OrganizationNational Natural Science Foundation of China [61925307, U1613220, 61821005, 61927805, 91748212] ; Tsinghua University Initiative Scientific Research Program [20197010009] ; Joint Fund of Science & Technology Department of Liaoning Province and State Key Laboratory of Robotics, China [No. 2019-01]
Keywordpeptide nanomaterial self-assembly inverse photoconductance visual memory optoelectronic device
Abstract

Inverse photoconductance is an uncommon phenomenon observed in selective low-dimensional materials, in which the electrical conductivity of the materials decreases under light illumination. The unique material property holds great promise for biomedical applications in photodetectors, photoelectric logic gates, and low-power nonvolatile memory, which remains a daunting challenge. Especially, tunable photoconductivity for biocompatible materials is highly desired for interfacing with biological systems but is less explored in organic materials. Here, we report nanofibers self-assembled with cyclo-tyrosine-tyrosine (cyclo-YY) having voltage-regulated inverse photoconductance and photoconductance. The peptide nanofibers can be switched back and forth by a bias voltage for imitating biological sensing in artificial vision and memory devices. A peptide optoelectronic resistive random access memory (PORRAM) device has also been fabricated using the nanofibers that can be electrically switched between long-term and short-term memory. The underlying mechanism of the reversible photoconductance is discussed in this paper. Due to the inherent biocompatibility of peptide materials, the reversible photoconductive nanofibers may have broad applications in sensing and storage for biotic and abiotic interfaces.

Language英语
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary
WOS KeywordNEGATIVE-PHOTOCONDUCTIVITY ; CRYSTAL ; POLARIZATION ; NANOWIRES
WOS Research AreaScience & Technology - Other Topics ; Materials Science
Funding ProjectNational Natural Science Foundation of China[61925307] ; National Natural Science Foundation of China[U1613220] ; National Natural Science Foundation of China[61821005] ; National Natural Science Foundation of China[61927805] ; National Natural Science Foundation of China[91748212] ; Tsinghua University Initiative Scientific Research Program[20197010009] ; Science & Technology Department of Liaoning Province[2019-01] ; State Key Laboratory of Robotics, China[2019-01]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/28301
Collection机器人学研究室
Corresponding AuthorFan Z(范震); Zhang MJ(张明君); Liu LQ(刘连庆)
Affiliation1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, China
3.University of Chinese Academy of Sciences, Beijing 100049, China
4.Fujian Key Laboratory of Medical Instrumentation and Pharmaceutical Technology, Fuzhou 350108, China
5.College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350108, China
6.Shenyang National Laboratory for Materials Science, Institute of Metal Research, Shenyang 110016, China
7.Department of Polymeric Materials, School of Materials Science and Engineering, Tongji University, Shanghai 201804, China
8.Department of Biomedical Engineering, School of Medicine, Tsinghua University, Beijing 100084, China
Recommended Citation
GB/T 7714
Shi HY,Li ML,Shi JL,et al. Self-Assembled Peptide Nanofibers with Voltage-Regulated Inverse Photoconductance[J]. ACS Applied Materials and Interfaces,2021,13(1):1057-1064.
APA Shi HY.,Li ML.,Shi JL.,Zhang, Dindong.,Fan Z.,...&Liu LQ.(2021).Self-Assembled Peptide Nanofibers with Voltage-Regulated Inverse Photoconductance.ACS Applied Materials and Interfaces,13(1),1057-1064.
MLA Shi HY,et al."Self-Assembled Peptide Nanofibers with Voltage-Regulated Inverse Photoconductance".ACS Applied Materials and Interfaces 13.1(2021):1057-1064.
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