Fiber-Based Flexible All-Solid-State Asymmetric Supercapacitors for Integrated Photodetecting System

被引：421
|
作者：
Wang, Xianfu [1 ,2 ,3 ]
Liu, Bin [1 ,2 ,3 ]
Liu, Rong [1 ,2 ]
Wang, Qiufan [1 ,2 ]
Hou, Xiaojuan [1 ,2 ]
Chen, Di [1 ,2 ]
Wang, Rongming [4 ]
Shen, Guozhen [3 ]
机构：
[1] Huazhong Univ Sci & Technol, WNLO, Wuhan 430074, Peoples R China
[2] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Peoples R China
[3] Chinese Acad Sci, Inst Semicond, State Key Lab Superlattices & Microstruct, Beijing 100083, Peoples R China
[4] Beijing Univ Aeronaut & Astronaut, Key Lab Micronano Measurement Manipulat & Phys, Minist Educ, Dept Phys, Beijing 100191, Peoples R China
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2014年 / 53卷 / 07期
关键词：
flexibility; integrated photodetector; nanofibers; nanotechnology; supercapacitors; REDUCED GRAPHENE OXIDE; HIGH-PERFORMANCE; HIGH-ENERGY; THIN-FILM; NANOSTRUCTURES; ELECTRODES; STORAGE; FOAM; CONVERSION; GROWTH;
D O I：
10.1002/anie.201307581
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Integrated nanodevices with the capability of storing energy are widely applicable and have thus been studied extensively. To meet the demand for flexible integrated devices, all-solid-state asymmetric supercapacitors that simultaneously realize energy storage and optoelectronic detection were fabricated by growing Co3O4 nanowires on nickel fibers, thus giving the positive electrode, and employing graphene as both the negative electrode and light-sensitive material. The as-assembled integrated systems were characterized by an improved energy storage, enhanced power density (at least by 1860% enhanced) by improving the potential window from 0-0.6V to 01.5V, excellent photoresponse to white light, and superior flexibility of both the fiber-based asymmetric supercapacitor and the photodetector. Such flexible integrated devices might be used in smart and self-powered sensory, wearable, and portable electronics.
引用
收藏
页码：1849 / 1853
页数：5
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