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Issue 21, 2018
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In situ hydrosilane reduction and preparation of gold nanoparticle–gel glass composites with nonlinear optical properties

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Abstract

Gold nanoparticle (AuNP)–gel glass composites were prepared on a carboxyl organosilicon oligomer by an in situ method using hydrosilane as a reductant. The organosilicon oligomer stabilized AuNPs, and hydrosilane directly bonded to the oligomer after the reducing reaction. The reaction and samples were characterized by FT-IR spectroscopy, UV-vis absorption spectrometry, UV-vis-NIR transmission spectrometry, TEM, EDS, XPS and SEM. Meanwhile, the nonlinear optical limiting properties of the AuNP–gel glass composites were investigated using the Z-scan technique and optical limiting measurements, and these composites exhibited broadband nonlinear optical limiting properties (532 nm and 1064 nm). This new reductant is a promising candidate for in situ preparation without the need for extra stabilizing agents or removal of residue byproducts, and the generated particles exhibited uniform size and distribution, providing a new insight into the preparation of metal–polymer nanocomposites.

Graphical abstract: In situ hydrosilane reduction and preparation of gold nanoparticle–gel glass composites with nonlinear optical properties

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Publication details

The article was received on 23 Feb 2018, accepted on 11 Apr 2018 and first published on 13 Apr 2018


Article type: Paper
DOI: 10.1039/C8TC00913A
Citation: J. Mater. Chem. C, 2018,6, 5624-5629
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    In situ hydrosilane reduction and preparation of gold nanoparticle–gel glass composites with nonlinear optical properties

    D. Yu, X. Sun, X. Chen, W. Ma, J. Sun, C. Zhou, Z. Xie and S. Zhou, J. Mater. Chem. C, 2018, 6, 5624
    DOI: 10.1039/C8TC00913A

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