Silk fibroin and ultra-long silver nanowire based transparent, flexible and conductive composite film and its Temperature-Dependent resistance. Issue 1 (1st January 2019)

• Record Type: Journal Article
• Authors: Qin, Xiangzheng; Peng, Yu; Li, Piaopiao; Cheng, Kai; Wei, Zhenzhong; Liu, Ping; Cao, Ning; Huang, Junyi; Rao, Jinjun; Chen, Jinbo; Wang, Tao; Li, Xiaomao; Liu, Mei
• Is Part Of: International journal of optomechatronics. Volume 13:Issue 1(2019)
• Page Start: 41
• Page End: 50
• Publication Date: 2019-01-01
• Subjects: Silk fibroin -- ultra-long silver nanowire -- biocompatible -- transparent conductive films -- temperature-dependent resistance; Optical engineering -- Periodicals; Mechanical engineering -- Periodicals; Electrical engineering -- Periodicals; Photonics -- Periodicals; Mechatronics -- Periodicals; 621.36
• DOI: 10.1080/15599612.2019.1639002
• Languages: English
• ISSNs: 1559-9612

Abstract

Abstract: A transparent, conductive, smooth, and temperature sensitive thin films was fabricated and characterized in this paper. Silk fibroin could be processed into transparent thin films, which can act as ideal opto-electronic substrates. As pure silk fibroin film is nonconductive, ultra-long silver nanowires coating and platinum sputtering were used to strengthen its conductivity. Ultra-long nanowires were used to reduce the junctions between wires, and platinum was to improve the conductivity of the film. The new nanowire-metal-organic composite film possesses excellent conductivity and good transmittance. The composite films containing different silver nanowires exhibit conductivities of as low as 6.9 Ω/sq, and transmittance of 60–80% in the visible light range. The films also showed potentials in practical applications as their resistance is almost linearly temperature-dependent. It also can transfer power to electrical devices. The new composite films could be expected to function in wearable electronics or implantable devices and sensors.