Enhanced performance of light-controlled conductive switching in hybrid cuprous oxide/reduced graphene oxide (Cu2O/rGO) nanocomposites

被引：561
作者：
Wei, Jing [1 ]
Zang, Zhigang [1 ]
Zhang, Yubo [2 ]
Wang, Ming [1 ]
Du, Jihe [1 ]
Tang, Xiaosheng [1 ]
机构：
[1] Chongqing Univ, Minist Educ, Key Lab Optoelect Technol & Syst, Chongqing 400044, Peoples R China
[2] Univ Texas El Paso, Dept Phys, El Paso, TX 79902 USA
来源：
OPTICS LETTERS | 2017年 / 42卷 / 05期
基金：
中国国家自然科学基金;
关键词：
RADICAL OXIDATION; LOW-TEMPERATURE; FILMS; FABRICATION;
D O I：
10.1364/OL.42.000911
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A significant enhancement of photoresponse from the lightcontrolled conductive switching based on Cu2O/rGO nanocomposites was experimentally demonstrated. Cu2O/rGO nanocomposites were synthesized via a facile wet-reduced method. The crystalline structure, morphologies, and photoluminescence of the Cu2O/rGO nanocomposites were characterized and analyzed. The fabricated conductive switching was measured under the irradiation of a continuous laser. When the laser was turned on and off alternately, the photoconductive switching obviously displayed a state conversion between "on" and "off" reversibly. Furthermore, the typical current-voltage (I-V) and current-time (I-t) curves exhibited a relatively high switching ratio (I-on/I-off) of 3.25 and a fast response time of 0.45 s. The excellent "on-off" characteristics of the device show promising applications in memory storage and logic circuits. (C) 2017 Optical Society of America
引用
收藏
页码：911 / 914
页数：4
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