Topochemical Synthesis of Copper Phosphide Nanoribbons for Flexible Optoelectronic Memristors

Liu Yanxin; Wu Lie; Liu QianLiu LeiKe ShanwuPeng ZehuiShi TongyuYuan XinruHuang HaoLi JiaYe CongChu Paul K.Wang JiahongYu Xue-Feng

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Topochemical Synthesis of Copper Phosphide Nanoribbons for Flexible Optoelectronic Memristors

机译：Topochemical Synthesis of Copper Phosphide Nanoribbons for Flexible Optoelectronic Memristors

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Metal phosphide nanoribbons are suitable building blocks for flexible photoelectronic microdevices due to the special electronic structure, large contact area, and excellent mechanical properties. In this work, single-crystal copper phosphide nanoribbons (Cu3P NRs) are prepared topochemically from crystalline red phosphorus nanoribbons (cRP NRs) to retain the cRP morphology. The Cu3P NRs are used to construct flexible photoelectronic memristors on the ITO/PEN substrate with the native oxidized shell of Cu3P NRs serving as the charge trapping layer to modulate the resistance switching characteristics. The Cu3P NRs-based memristors have outstanding nonvolatile memory properties in different mechanical bending states and different bending times. Optically and electrically modulated artificial synaptic functions are observed from the Cu3P NRs-based memristors and owing to the memory backtracking function, pattern recognition is achieved with the Ag/Cu3P/ITO artificial synapse array. The topochemical synthesis method constitutes a universal approach to produce nanostructured compounds with an unusual morphology and specific crystalline orientation. The results also reveal that metal phosphides are excellent materials in memristors for future optoelectronic neuromorphic computing.

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《Advanced functional materials》 |2022年第14期|2110900.1-2110900.8|共8页
作者
Liu Yanxin; Wu Lie; Liu QianLiu LeiKe ShanwuPeng ZehuiShi TongyuYuan XinruHuang HaoLi JiaYe CongChu Paul K.Wang JiahongYu Xue-Feng;
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Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen Engn Ctr Fabricat Two Dimens Atom Crysta, Shenzhen 518055, Peoples R China|Hubei Univ, Fac Phys & Elect Sci, Wuhan 430062, Peoples R China|Peking Univ, Shenzhen Grad Sch, Sch Elect & Comp Engn, Shenzhe;

Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen Engn Ctr Fabricat Two Dimens Atom Crysta, Shenzhen 518055, Peoples R China|Univ Chinese Acad Sci, Beijing 100049, Peoples R China;

Chinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen Engn Ctr Fabricat Two Dimens Atom Crysta, Shenzhen 518055, Peoples R China|Chengdu Univ, Inst Adv Study, Chengdu 610106, Peoples R ChinaChinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen Engn Ctr Fabricat Two Dimens Atom Crysta, Shenzhen 518055, Peoples R China|Hubei Univ, Fac Phys & Elect Sci, Wuhan 430062, Peoples R China|Fudan Univ, Sch Microelect, Shanghai 200000, Peoples R ChinaChinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen Engn Ctr Fabricat Two Dimens Atom Crysta, Shenzhen 518055, Peoples R China|Hubei Univ, Fac Phys & Elect Sci, Wuhan 430062, Peoples R ChinaChinese Acad Sci, Shenzhen Inst Adv Technol, Shenzhen Engn Ctr Fabricat Two Dimens Atom Crysta, Shenzhen 518055, Peoples R ChinaHubei Univ, Fac Phys & Elect Sci, Wuhan 430062, Peoples R ChinaCity Univ Hong Kong, Dept Mat Sci & Engn, Dept Phys, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China|City Univ Hong Kong, Dept Biomed Engn, Kowloon, Tat Chee Ave, Hong Kong, Peoples R China;

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2D; flexible memristors; metal phosphides; neuromorphic computing; topochemical synthesis;

Topochemical Synthesis of Copper Phosphide Nanoribbons for Flexible Optoelectronic Memristors

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