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- Title
Fiber-Based Flexible All-Solid-State Asymmetric Supercapacitors for Integrated Photodetecting System.
- Authors
Wang, Xianfu; Liu, Bin; Liu, Rong; Wang, Qiufan; Hou, Xiaojuan; Chen, Di; Wang, Rongming; Shen, Guozhen
- Abstract
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 0-0.6 V to 0-1.5 V, 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.
- Subjects
SUPERCAPACITORS; POWER capacitors; ENERGY storage; PHOTODETECTORS; OPTOELECTRONICS; GRAPHENE
- Publication
Angewandte Chemie International Edition, 2014, Vol 53, Issue 7, p1849
- ISSN
1433-7851
- Publication type
Article
- DOI
10.1002/anie.201307581