Issue 72, 2018
From the journal:

RSC Advances

Highly intense room-temperature photoluminescence in V2O5 nanospheres

Top Khac Le,a   Manil Kang, ORCID logo *b   Sang Wook Hana  and  Sok Won Kim*a  

* Corresponding authors

a Department of Physics, University of Ulsan, Ulsan 44610, Republic of Korea
E-mail: sokkim@ulsan.ac.krb

b Department of Physics, Kongju National University, Kongju 32588, Republic of Korea
E-mail: ifriver@kongju.ac.kr

Abstract

Room-temperature photoluminescence (PL) in V2O5 nanospheres with zero-like dimensional structure was investigated. A large number of V4+ oxidation states in the nanospheres were observed by X-ray photoelectron spectroscopy (XPS) measurements. The nanospheres revealed high PL intensity compared with previous studies. In particular, they showed intense ultraviolet (UV) PL near a wavelength of 396 nm (3.13 eV). The intense UV PL was attributed to the enhanced transition probability due to the large number of V4+ (3d1) oxidation states. The PL properties showed strong dependencies on the oxidation states and their distribution.

Graphical abstract: Highly intense room-temperature photoluminescence in V2O5 nanospheres

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Article information

DOI
https://doi.org/10.1039/C8RA06861E
Article type
Paper
Submitted
16 Aug 2018
Accepted
05 Dec 2018
First published
11 Dec 2018
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2018,8, 41317-41322

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Highly intense room-temperature photoluminescence in V2O5 nanospheres

T. K. Le, M. Kang, S. W. Han and S. W. Kim, RSC Adv., 2018, 8, 41317 DOI: 10.1039/C8RA06861E

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