Issue 8, 2011
From the journal:

Chemical Communications

Nanocrystallization of oligosilanes by a reprecipitation method: easy fabrication of H-aggregates of linear-chain oligosilane molecules†

Yuki Morita,a   Naoto Nagaya,b   Yuji Shibata,a   Eunsang Kwon,‡c   Hidetoshi Oikawa,c   Hachiro Nakanishi,c   Mitsuo Kirab  and  Kenkichi Sakamoto*ab  

* Corresponding authors

a Department of Chemistry, Faculty of Science, Shizuoka University, Shizuoka 422-8529, Japan
E-mail: sksakam@ipc.shizuoka.ac.jp
Fax: +81 54-238-4751

b Department of Chemistry, Graduate School of Science, Tohoku University, Sendai, Japan

c Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Sendai 980-8577, Japan

Abstract

Nanocrystals of several oligosilanes have been fabricated easily by using a reprecipitation method. The nanocrystals reveal an intense absorption band at the UVB region (280 to 320 nm) and a fluorescence band with large Stokes shift. These photophysical properties show that the nanocrystals exhibit an excitonic interaction of the H-aggregate type.

Graphical abstract: Nanocrystallization of oligosilanes by a reprecipitation method: easy fabrication of H-aggregates of linear-chain oligosilane molecules

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Article information

DOI
https://doi.org/10.1039/C0CC03949G
Article type
Communication
Submitted
18 Sep 2010
Accepted
23 Nov 2010
First published
10 Dec 2010

Chem. Commun., 2011,47, 2315-2317

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Nanocrystallization of oligosilanes by a reprecipitation method: easy fabrication of H-aggregates of linear-chain oligosilane molecules

Y. Morita, N. Nagaya, Y. Shibata, E. Kwon, H. Oikawa, H. Nakanishi, M. Kira and K. Sakamoto, Chem. Commun., 2011, 47, 2315 DOI: 10.1039/C0CC03949G

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