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Color Tunability in Photochromic Naphthopyrans

 

作者: Anil Kumar,   Barry Van Gemert,   DavidB. Knowles,  

 

期刊: Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals  （Taylor Available online 2000）
卷期: Volume 344, issue 1  

页码: 217-222

 

ISSN:1058-725X

 

年代: 2000

 

DOI:10.1080/10587250008023839

 

出版商: Taylor & Francis Group

 

关键词: Naphthopyran;photochromic;spectra;chromene

 

数据来源: Taylor

 

摘要:

Photochromic naphthopyrans are of particular interest due to their wide use in applications such as switchable eyewear, security devices and novelty items. The spectral properties of the activated form are important in many of these applications. This paper reports the effect of substituents on the visible absorption of the activated form(s). In addition to color, other photochromic properties of naphthopyrans are briefly discussed.

 

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