Reversible photochromic material and preparation method thereof

• Main Authors: LUO WEIWEI, LYU YANG, JIN YAHONG, ZHAN YIYU, HU YIHUA
• Format: Patent
• Language: Chinese; English
• Published: 12.01.2018
• Subjects: ADHESIVES; CHEMISTRY; DYES; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; PAINTS; POLISHES

The invention provides a reversible photochromic material which has a general formula of Y3Al5-xGaxO12:yNi<2+>, wherein x is more than or equal to 0 but less than or equal to 5, and y is more than 0 but less than or equal to 0.02. Reversible photochromism between no color and brownish red is r...