Journal
NANOSCALE RESEARCH LETTERS
Volume 9, Issue -, Pages -Publisher
SPRINGER
DOI: 10.1186/1556-276X-9-16
Keywords
Organic nanocrystal; 1,4-bis(4-methylstyryl)benzene; Water dispersion; Bottom-up fabrication technique; Wet process; Optical properties
Funding
- Japan Society for the Promotion of Science [25560223, 24680054]
- Grants-in-Aid for Scientific Research [25560223, 24680054] Funding Source: KAKEN
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Single-crystal 1,4-bis(4-methylstyryl)benzene is a promising material for optoelectronic device applications. We demonstrate the preparation of 1,4-bis(4-methylstyryl)benzene nanocrystals by a wet process using a bottom-up reprecipitation technique. Scanning electron microscopy revealed the morphology of the nanocrystals to be sphere-like with an average particle size of about 60 nm. An aqueous dispersion of the nanocrystals was monodisperse and stable with a zeta-potential of -41 mV. The peak wavelengths of the absorption and emission spectra of the nanocrystal dispersion were blue and red shifted, respectively, compared with those of tetrahydrofuran solution. Powder X-ray diffraction analysis confirmed the crystallinity of the nanocrystals. The presented 1,4-bis(4-methylstyryl)benzene nanocrystals are expected to be a candidate for a new class of optoelectronic material.
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