title: Temperature-controlled transparent-film heater based on silver nanowire-PMMA composite film.
abstract: We fabricated a high-performance film heater based on a silver nanowire and polymethyl methacrylate (Ag NW-PMMA) composite film, which was synthesized with the assistance of mechanical lamination and an in situ transfer method. The films exhibit excellent conductivity, high figure of merit, and strong adhesion of percolation network to substrate. By controlling NW density, we prepared the films with a transmittance of 44.9-85.0% at 550 nm and a sheet resistance of 0.13-1.40 Ω sq-1. A stable temperature ranging from 130 °C-40 °C was generated at 3.0 V within 10-30 s, indicating that the resulting film heaters show a rapid thermal response, low driving voltage and stable temperature recoverability. Furthermore, we demonstrated the applications of the film heater in defrosting and a physical therapeutic instrument. A fast defrosting on the composite film with a transmittance of 88% was observed by applying a 9 V driving voltage for 20 s. Meanwhile, we developed a physical therapeutic instrument with two modes of thermotherapy and electronic-pulse massage by using the composite films as two electrodes, greatly decreasing the weight and power consumption compared to a traditional instrument. Therefore, Ag NW-PMMA film can be a promising candidate for diversified heating applications.
authors: School of Applied Physics and Materials, Wuyi University, Jiangmen 529020, Guangdong Province, People's Republic of China.
authors: Xin
authors: X
authors: He
authors: A'lei
authors: A
authors: Liu
authors: Xuyang
authors: X
authors: Hu
authors: Mingxia
authors: M
authors: Song
authors: Feng
authors: F
authors: Duan
authors: Qiuming
authors: Q
authors: Lan
authors: Jundong
authors: J
authors: Xiao
authors: Junyan
authors: J
authors: Liu
authors: Mei
authors: M
authors: Zhang
authors: Yeqing
authors: Y
authors: Chen
authors: Qingguang
authors: Q
authors: Zeng