Journal
RSC ADVANCES
Volume 8, Issue 72, Pages 41317-41322Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8ra06861e
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Funding
- Basic Science Research Program through the National Research Foundation of Korea (NRF)
- Ministry of Education [2018R1D1A1B07050201]
- Priority Research Centers Program through the NRF - Ministry of Education, Science and Technology [2009-0093818]
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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+ (3d(1)) oxidation states. The PL properties showed strong dependencies on the oxidation states and their distribution.
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