Modify the morphology of colloidal Ag2Se nanostructures by laser irradiation

Ling-Ling Zhao; Zhi-Ming Gao; Hui Liu; Jing Yang; Shi-Zhang Qiao; Xi-Wen Du

doi:10.1039/C3CE26899C

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Modify the morphology of colloidal Ag₂Se nanostructures by laser irradiation†

Ling-Ling Zhao,^a Zhi-Ming Gao,^a Hui Liu,^a Jing Yang,^a Shi-Zhang Qiao^ab and Xi-Wen Du*^a

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* Corresponding authors

^a Tianjin Key Laboratory of Composite and Functional Materials, School of Materials Science and Engineering, Tianjin University, Tianjin 300072, P. R. China
E-mail: xwdu@tju.edu.cn
Fax: +86 22 87894128
Tel: +86 22 27406794

^b School of Chemical Engineering, University of Adelaide, SA 5005, Australia

Abstract

A facile process, laser irradiation on colloidal nanoparticles, was developed to modify the morphology of silver selenide (Ag₂Se) nanostructures. The power density of pulsed laser was found critical on the temperature rise of the nanoparticles and then the final morphology of the product. Correspondingly, nanorods and nanosheres were obtained via solid phase transformation at a power density of 2.4 × 10⁷ W cm⁻² and via thermal decomposition at a power density of 5.2 × 10¹⁰ W cm⁻², respectively.

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Article information

DOI: https://doi.org/10.1039/C3CE26899C
Article type: Communication
Submitted: 21 Nov 2012
Accepted: 10 Jan 2013
First published: 10 Jan 2013

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CrystEngComm, 2013,15, 1685-1688

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Modify the morphology of colloidal Ag₂Se nanostructures by laser irradiation

L. Zhao, Z. Gao, H. Liu, J. Yang, S. Qiao and X. Du, CrystEngComm, 2013, 15, 1685 DOI: 10.1039/C3CE26899C

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