Journal
JOURNAL OF PHYSICS D-APPLIED PHYSICS
Volume 42, Issue 14, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0022-3727/42/14/145116
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Funding
- Department of Science and Technology (Nano-Mission)
- 'Ramanujan Fellowship'
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Here, we report the bright white light emission from Eu3+ doped In2S3 nanoparticles by single wavelength light excitation (350 nm). The energy transfer (ET) from the In2S3 host to the Eu3+ ions is studied by steady-state and time-resolved spectroscopy. It is found that the ET efficiency from In2S3 nanoparticles to Eu3+ increases from 0.27% to 0.42% with increasing dopant concentration. The calculated quantum efficiency is 24.2% for 1.0 mol% Eu doped In2S3 nanoparticle and the CIE coordinates are 0.27 and 0.29, which fall within the white region of the 1931 CIE diagram.
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