Abstract
PurposeTo discover new photochromic molecules suitable for various applications.Design/methodology/approachThe synthesis of the new photochromic Aniline derivatives was accomplished by reaction of tetracyanoquinodimethane and anilines in polar solvents such as dimethylformamide.FindingsA novel photochromic system had been designed and developed. The synthesis and photochromic properties of three aniline derivatives upon irradiation with ultraviolet light were studies in different solvents. The photochromic and thermochromic properties were affected markedly upon changing the solvent polarity. The new materials gave colourless to deep yellow coloration upon irradiation with ultraviolet, rendering them suitable candidates for optical storage media using the region of 700 nm.Practical implicationsA new photochromic system had been developed via a simple method. The new compounds showed photochromic, thermochromic, and solvatochromic properties making them potential candidates for many applications such as photo sensors, optical data storage, thermochromic sensors and heat sensitive materials.Originality/valueThe photochromic system was novel and hence the photochromic molecules were novel.
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