Affiliation:
1. School of Instrument Science and Opto-Electronics Engineering, Beijing Information Science & Technology University, Beijing 100192, China
Abstract
Prussian Blue (PB) films were directly grown on FTO glass by a hydrothermal method only using potassium ferricyanide and hydrobromic acid as raw reagents. Hydrobromic acid plays the role of both providing acidic conditions and as a reducing agent which improves the atomic utilization of the raw materials. The as-prepared PB devices exhibited multicolor electrochromic properties: Blue, green and transparent states, reversibly. The maximum optical modulations of PB device could reach the range of 47.7%. The PB films also have a fast coloration/bleaching time of 1.9/1.3[Formula: see text]s, respectively. This study provided a novel method for preparing PB films by a facile hydrothermal method.
Funder
National Natural Science Foundation of China
Publisher
World Scientific Pub Co Pte Ltd
Subject
Electrical and Electronic Engineering,Computer Science Applications,Condensed Matter Physics,General Materials Science,Bioengineering,Biotechnology
Cited by
2 articles.
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