Understanding the network change in reversible photochromic hydrogels

Photochromic devices are ones which change colour upon the irradiation of light. These devices can be used a sensors, logic gates and privacy windows etc. Here we show and...光致变色器件（Photochromic devices）是一类在光辐照作用下发生颜色变化的器件。此类器件可用作传感器、逻辑门与隐私玻璃窗等。本文展示并……