Investigation on upconversion photoluminescence of Bi3TiNbO 9:Er3:Yb3 thin films

Hengzhi Chen, Bin Yang, Yan Sun, Mingfu Zhang, Yu Sui, Zhiguo Zhang, Wenwu Cao

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Bi3TiNbO9:Er3:Yb3 (BTNEY) thin films were fabricated on fused silica by pulsed laser deposition. It was demonstrated that different laser fluence and substrate temperature during growth of BTNEY upconversion photoluminescence (UC-PL) samples control the film's grain size and hence influences the UC-PL properties. The average grain size of BTNEY thin films deposited on fused silica substrates with laser fluence 4, 5, 6, and 7 J/cm2 are 30.8, 35.9, 40.6, and 43.4 nm, respectively. The 525 nm emission intensities increase with the deposition laser fluence and the emission intensities of BTNEY thin film deposited under 700 and 600 °C are almost 24 and 4 times, respectively, as strong as those of samples under 500 °C. The grain size of BTNEY thin film increases with the increasing temperature. UC-PL of BTNEY films is enhanced by increasing grain size of the films.

Original languageEnglish (US)
Pages (from-to)2574-2578
Number of pages5
JournalJournal of Luminescence
Volume131
Issue number12
DOIs
StatePublished - Dec 1 2011

Fingerprint

Photoluminescence
Lasers
grain size
photoluminescence
Thin films
fluence
Fused silica
thin films
Silicon Dioxide
silicon dioxide
laser deposition
Temperature
Growth temperature
Substrates
Pulsed laser deposition
pulsed laser deposition
lasers
temperature
Growth

All Science Journal Classification (ASJC) codes

  • Biophysics
  • Atomic and Molecular Physics, and Optics
  • Chemistry(all)
  • Biochemistry
  • Condensed Matter Physics

Cite this

Chen, Hengzhi ; Yang, Bin ; Sun, Yan ; Zhang, Mingfu ; Sui, Yu ; Zhang, Zhiguo ; Cao, Wenwu. / Investigation on upconversion photoluminescence of Bi3TiNbO 9:Er3:Yb3 thin films. In: Journal of Luminescence. 2011 ; Vol. 131, No. 12. pp. 2574-2578.
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Investigation on upconversion photoluminescence of Bi3TiNbO 9:Er3:Yb3 thin films. / Chen, Hengzhi; Yang, Bin; Sun, Yan; Zhang, Mingfu; Sui, Yu; Zhang, Zhiguo; Cao, Wenwu.

In: Journal of Luminescence, Vol. 131, No. 12, 01.12.2011, p. 2574-2578.

Research output: Contribution to journalArticle

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