| Photochromism is an interesting and intriguing property of materials. |
| Photochromism is a reversible change in color upon exposure to light. |
| In contrast, triphenylmethanes exhibit very simple photochromism. |
| Photochromism is the phenomenon of color change that occurs when certain substances are exposed to certain radiation wavelengths. |
| Production of a reversible photo-induced color change is known as photochromism. |
| The wide interest for basic and applied research on photochromism in the last decade is well documented by two monographs. |
