One-Drop Self-Assembly of Ultra-Fine Second-Order Organic Nonlinear Optical Crystal Nanowires

Nanoscale Research Letters
Tian TianTakeshi Yasui

Abstract

In this study, we propose a one-drop self-assembly method, which proved capable of successfully preparing 4-N, N-dimethylamino-4'-N'-methyl-stilbazolium tosylate (DAST) single-crystalline nanowires (NWs). The apparent roughness of the DAST NWs was determined to be less than 100 pm by using a high-resolution atomic force microscope, indicating their ultrafine quality. The DAST NWs also exhibited excellent nonlinear optical properties, including two-photon excited fluorescence and second harmonic generation, which could enable the production of low-cost, low-power-consumption wideband wavelength conversion devices. Thus, the described method may provide a new avenue for organic NW fabrication.

References

Sep 28, 2002·Nature·E W Meijer, Albert P H J Schenning
Apr 14, 2005·Chemical Reviews·Freek J M HoebenAlbertus P H J Schenning
Mar 8, 2007·Journal of the American Chemical Society·Xiujuan ZhangShuit-Tong Lee
Nov 20, 2009·Nature·Chun Hung LuiTony F Heinz
Oct 14, 2010·Optics Express·Ivan GusachenkoMarie-Claire Schanne-Klein
Oct 9, 2015·Nano Letters·Shaked RosenneBoris Rybtchinski

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Methods Mentioned

BETA
AFM
X-ray
fluorescence microscopy
irradiating

Software Mentioned

DAST

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