Visual indication of enviromental humidity by using poly(ionic liquid) photonic crystals

Jing Huang, Cheng-an Tao, Qi An, Changxu Lin, Xuesong Li, Dan Xu, Yiguang Wu, Xiaogang Li, Dezhong Shen, Guangtao Li
  • Chemical Communications, January 2010, Royal Society of Chemistry
  • DOI: 10.1039/c003325a