Temperature sensitive optical properties of exciton and room-temperature visible light emission from disordered Cu2O nanowires

Peng Wang; Xinhong Zhao; Hairong Li; Lingshan Li; Jing Li; Guofu Ma; Jingxian Chang

doi:10.1039/C4RA05595K

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Temperature sensitive optical properties of exciton and room-temperature visible light emission from disordered Cu₂O nanowires†

Peng Wang,*^a Xinhong Zhao,^b Hairong Li,^a Lingshan Li,^c Jing Li,^d Guofu Ma^a and Jingxian Chang^a

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* Corresponding authors

^a School of Physical Science and Technology, Lanzhou University, Lanzhou 730000, China
E-mail: wangpeng@lzu.edu.cn

^b Department of Optical Information Science and Technology, School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China

^c OriginLab (Guangzhou) Ltd., No. 109 Tiyuxi Road, Guangzhou 510620, China

^d Maternity & Child-care Hospital of Gansu Province, Lanzhou, China

Abstract

Disordered Cu₂O nanowires (NWs) were prepared by a two-step growth method. Photoluminescence properties of Cu₂O NWs have been investigated in detail. The excitonic optical properties from the Cu₂O NWs are temperature sensitive. At room temperature, a longitudinal optical (LO) phonon replica and visible light emission from exciton recombination were observed for the first time.

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Article information

DOI: https://doi.org/10.1039/C4RA05595K
Article type: Communication
Submitted: 11 Jun 2014
Accepted: 12 Aug 2014
First published: 22 Aug 2014

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RSC Adv., 2014,4, 37542-37546

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Temperature sensitive optical properties of exciton and room-temperature visible light emission from disordered Cu₂O nanowires

P. Wang, X. Zhao, H. Li, L. Li, J. Li, G. Ma and J. Chang, RSC Adv., 2014, 4, 37542 DOI: 10.1039/C4RA05595K

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