Dynamic control and amplification of molecular chirality by circular polarized light

被引:425
作者
Huck, NPM [1 ]
Jager, WF [1 ]
deLange, B [1 ]
Feringa, BL [1 ]
机构
[1] UNIV GRONINGEN,DEPT ORGAN & MOL INORGAN CHEM,NL-9747 AG GRONINGEN,NETHERLANDS
关键词
D O I
10.1126/science.273.5282.1686
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
The enantiomers of a racemic photoresponsive material represent two distinct states that can be modulated with irradiation at a single wavelength by changing the handedness of the light, Dynamic control over molecular chirality was obtained by the interconversion of enantiomers of helically shaped molecules with either left or right circular polarized light (CPL). Photoresolution of the bistable compound as a dopant in a nematic liquid crystalline phase by CPL irradiation led to a chiral mesoscopic phase. The chiral information inherent to CPL is therefore transmitted to the bistable molecule, followed by amplification and macroscopic expression of the chirality.
引用
收藏
页码:1686 / 1688
页数:3
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