Chemistry Letters, Vol.32, No.12, 1116-1117, 2003
A novel bisthienylethene as acidichromic and photochromic yellow dye
A novel bisthienylethene as yellow colour photochromic and acidichromic dye has been prepared by a simple and low cost route, and its PC film shows a fast response reversible colour change between colourless and yellow colour by exposure to gaseous acid and ammonia.