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Study on the photochromic properties of 4, 5-bis(5-chloro-2-methylthiophen-3-yl)-1, 2-diphenyl-1H-imidazole
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Science & Technology Review | 2016, 34(8) : 40 - 44
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Science & Technology Review | 2016, 34(8): 40-44
• Spescial Issues •
Study on the photochromic properties of 4, 5-bis(5-chloro-2-methylthiophen-3-yl)-1, 2-diphenyl-1H-imidazole
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PENG Xuefeng1, HOU Jieping1, YU Haibin1, ZHANG Jingcheng1, XU Haibing2
Affiliations
    1. Key Laboratory of Catalysis Technology, CenerTech Tianjin Chemical Research and Design Institute Co., Ltd., CNOOC, Tianjin 300131, China;
    2. New Materials Research Center of Sichuan Province, Institute of Chemical Materials, China Academy of Engineering Physics, Chengdu 621900, China
Published: 2016-04-28
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4, 5-bis(5-chloro-2-methylthiophen-3-yl)-1, 2-diphenyl-1H-imidazole (L) is synthesized and characterized by 1H NMR, 13C NMR and elemental analysis. The effects of acid on the absorption spectra, fluorescence spectra and thermal stability of L are investigated. The results show that the acid effect on the absorption spectra of L is very little, but the fluorescence spectra and thermal stability of L can be effectively regulated by the acid. In addition, L shows good photochromism before and after the protonation, as well as the distinctive "on to on" fluorescence characteristic.
photochromism  /  diarylethene  /  acid effect  /  fluorescence  /  thermal stability
彭雪峰, 侯洁苹, 于海斌, 张景成, 徐海兵. 4,5-双(5-氯-2-甲基噻吩-3-基)-1,2-二苯基-1H-咪唑的光致变色性能. 科技导报, 2016 , 34 (8) : 40 -44 .
PENG Xuefeng, HOU Jieping, YU Haibin, ZHANG Jingcheng, XU Haibing. Study on the photochromic properties of 4, 5-bis(5-chloro-2-methylthiophen-3-yl)-1, 2-diphenyl-1H-imidazole[J]. Science & Technology Review, 2016 , 34 (8) : 40 -44 .
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  • Receive Date：2015-11-18
  • Online Date：2016-04-28
  • Published：2016-04-28
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  • Received：2015-11-18
  • Revised：2016-01-20
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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