Work

Smart Windows, Switchable between Transparent, Mirror, and Black States, Fabricated Using Rough and Smooth Indium Tin Oxide Films Deposited by Spray Chemical Vapor Deposition

Year: 2013

Type: article

Abstract: Two types of indium–tin oxide films, rough and smooth, with an average grain size of 434 and 71 nm, respectively, were deposited by spray pyrolysis chemical vapor deposition. Using both these films, we fabricated glare tunable transparent electrochemical devices exhibiting reversible optical changes between transparent, mirror, and black states, without any treatments. Under zero bias conditions, the transmittance of the transparent state reached 81.1% at 700 nm. With a bias of -2.5 V, the reflectance of the mirror state reached 82.0% at 700 nm. The total transmittances in the mirror and black state amounted to 0.6% in the visible range.

Source: Applied Physics Express

DOI: 10.7567/apex.6.026503

Authors: Ryou Onodera, Yoshiyuki Seki, Shigeyuki Seki, Katsumi Yamada, Yutaka Sawada, Takayuki Uchida

Institutions: Sendai National College of Technology, Tokyo Polytechnic University

Language: English

Topic: Transition Metal Oxide Nanomaterials

Subfield: Electronic, Optical and Magnetic Materials

Field: Materials Science

Domain: Physical Sciences

Open Access status: bronze

Funder: Japan Society for the Promotion of Science

Award: Fabrication of hybrid smart window by combination of a transparent organic light-emitting diode and a glare-tunable transparent electrochromic device from the transparent state to the mirror state.