Size-Control and Optical Properties of Organic Nanocrystals

Authors: Zheng, Mei-Ling; Tang, Qi-Li; Chen, Wei-Qiang; Duan, Xuan-Ming

Source: Journal of Nanoscience and Nanotechnology, Volume 9, Number 2, February 2009 , pp. 1291-1294(4)

Publisher: American Scientific Publishers

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Abstract:

We prepared the organic nanocrystals by the reprecipitation method using a carbosiloxane dendrimer. The dispersing process can be controlled by the carbosiloxane dendrimer which presented good site-isolation effect in host-guest chemistry. The size and shape of the controlled nanocrystals were analyzed by UV/vis spectroscopy and SEM. The absorbance of UV/vis spectra varied during the evolving process. The shape was more regular and the size can be well controlled under 100 nm. The results indicated the optical properties of organic nanocrystals strongly depends on their sizes.

Keywords: ORGANIC NANOCRYSTALS; DENDRIMER-STABILIZATION; OPTICAL PROPERTIES

Document Type: Research article

DOI: http://dx.doi.org/10.1166/jnn.2009.C140

Publication date: 2009-02-01

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Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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