Inorganic photochromic systems

被引:6
作者
Araujo, R
机构
[1] Corning Incorporated, Corning, NY
来源
MOLECULAR CRYSTALS AND LIQUID CRYSTALS SCIENCE AND TECHNOLOGY SECTION A-MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 1997年 / 297卷
关键词
D O I
10.1080/10587259708036096
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
The excited states of many organic molecules are sufficiently long lived so that excitation gives rise to a change in the absorption spectrum that persists for seconds or even longer. The author is unaware of ally perfect crystal for which this is true. Vacancies are essential to the appearance of photchromism in alkali halides and sodalite crystals. Changes in absorption spectrum have accompanied charge transfer reactions between two impurities in titanate and calcium fluoride crystals. Photochromism has been observed in suspensions in glass of crystals too small to scatter light as well as in homogeneous glasses.
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页码:1 / 8
页数:8
相关论文
共 12 条
[1]  
ADLER D, 1985, PHYSICAL PROPERTIES, P77
[2]  
[Anonymous], [No title captured]
[3]  
ARAUJO RJ, 1991, OPTICAL PROPERTIES G, P125
[4]  
ARAUJO RJ, 1966, Patent No. 3325299
[5]   OPTICALLY INDUCED ANISOTROPY IN PHOTOCHROMIC-GLASSES [J].
BORRELLI, NF ;
CHODAK, JB ;
HARES, GB .
JOURNAL OF APPLIED PHYSICS, 1979, 50 (09) :5978-5987
[6]   PHOTOINDUCED OPTICAL ANISOTROPY AND COLOR ADAPTATION IN SILVER-CONTAINING GLASSES [J].
BORRELLI, NF ;
SEWARD, TP .
APPLIED PHYSICS LETTERS, 1979, 34 (06) :395-397
[7]   VARIABLE TRANSMISSION SILICATE GLASSES SENSITIVE TO SUNLIGHT [J].
COHEN, AJ ;
SMITH, HL .
SCIENCE, 1962, 137 (3534) :981-&
[8]   PHOTOINDUCED REVERSIBLE CHARGE-TRANSFER PROCESSES IN TRANSITION-METAL-DOPED SINGLE-CRYSTAL SRTIO3 AND TIO2 [J].
FAUGHNAN, BW ;
KISS, ZJ .
PHYSICAL REVIEW LETTERS, 1968, 21 (18) :1331-&
[9]   PROPERTIES AND MECHANISM OF PHOTOCHROMISM IN REDUCED CALCIUM ALUMINATE GLASSES [J].
HOSONO, H ;
ASADA, N ;
ABE, Y .
JOURNAL OF APPLIED PHYSICS, 1990, 67 (06) :2840-2847
[10]  
MEILING GS, 1971, Patent No. 3615771