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Full-Text Articles in Physics

Light-Driven Molecular Switches With Tetrahedral And Axial Chirality, Lisa Green, Yannian Li, Timothy White, Augustine Urbas, Timothy Bunning, Quan Li Aug 2009

Light-Driven Molecular Switches With Tetrahedral And Axial Chirality, Lisa Green, Yannian Li, Timothy White, Augustine Urbas, Timothy Bunning, Quan Li

Quan Li

Two light-driven molecular switches with tetrahedral and axial chirality were synthesized, which can induce a helical superstructure in an achiral liquid crystal host and dynamically phototune it to achieve reversible reflection color.


Organo-Soluble Photoresponsive Azo Thiol Monolayer-Protected Gold Nanorods, Jouliana M. El Khoury, Xiaoli Zhou, Liangti Qu, Liming Dai, Augustine Urbas, Quan Li Mar 2009

Organo-Soluble Photoresponsive Azo Thiol Monolayer-Protected Gold Nanorods, Jouliana M. El Khoury, Xiaoli Zhou, Liangti Qu, Liming Dai, Augustine Urbas, Quan Li

Quan Li

Organo-soluble photoresponsive azo thiol monolayer-protected gold nanorods were synthesized; the resulting gold nanorods encapsulated by thiols on their entire surface with strong covalent Au-S linkages were very stable in both organic solvents and in the solid state without aggregation or decomposition.