Plasmonic manipulation in chiral crystallization of sodium chlorate

An-Chieh Cheng; Teruki Sugiyama; Keiji Sasaki

doi:10.1117/12.2680961

5 October 2023 Plasmonic manipulation in chiral crystallization of sodium chlorate

An-Chieh Cheng, Teruki Sugiyama, Keiji Sasaki

Proceedings Volume PC12649, Optical Trapping and Optical Micromanipulation XX; PC1264918 (2023) https://doi.org/10.1117/12.2680961
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States

Abstract

We have successfully multiplied the chiral crystallization of sodium chlorate; polymorphic transition and the induced crystal chirality are controllable by the condition of plasmonic trapping. After a few seconds of laser irradiation on trimer, a metastable crystal of sodium chlorate is firstly generated, then through the polymorphic transition to stable crystal (chiral). The polymorphic transition is only observed when the use of 230 nm trimer, absence while the 170 nm trimer is used. Furthermore, the induced crystal chirality can be controlled by the irradiation left and right-handed circular polarization of 230 nm trimer, realizes giant crystal enantiomeric excess over 50%.

Conference Presentation

Citation Download Citation

An-Chieh Cheng, Teruki Sugiyama, and Keiji Sasaki "Plasmonic manipulation in chiral crystallization of sodium chlorate", Proc. SPIE PC12649, Optical Trapping and Optical Micromanipulation XX, PC1264918 (5 October 2023); https://doi.org/10.1117/12.2680961

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