Significant Increase in Band Gap and Emission Efficiency of In2O3 Quantum Dots by Size-Tuning around 1 nm in Supermicroporous Silicas

Takafumi Suzuki, Hiroto Watanabe, Taiki Ueno, Yuya Oaki, Hiroaki Imai

Research output: Contribution to journal › Article

8 Citations (Scopus)

Abstract

The size of In2O3 quantum dots (QDs) is tuned from 0.57 to 1.80 nm by using supermicroporous silicas (SMPSs) as a template. The band gap energy and photoluminescence quantum yields of In2O3-QDs increase remarkably when their size is decreased below 1 nm.

Original languageEnglish
Pages (from-to)3014-3017
Number of pages4
JournalLangmuir
Volume33
Issue number12
DOIs
Publication statusPublished - 2017 Mar 28

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Silicon Dioxide
Semiconductor quantum dots
Energy gap
Tuning
tuning
Silica
quantum dots
silicon dioxide
Quantum yield
Photoluminescence
templates
photoluminescence

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

Cite this

Significant Increase in Band Gap and Emission Efficiency of In2O3 Quantum Dots by Size-Tuning around 1 nm in Supermicroporous Silicas. / Suzuki, Takafumi; Watanabe, Hiroto; Ueno, Taiki; Oaki, Yuya; Imai, Hiroaki.

In: Langmuir, Vol. 33, No. 12, 28.03.2017, p. 3014-3017.

Research output: Contribution to journal › Article

Suzuki, T, Watanabe, H, Ueno, T, Oaki, Y & Imai, H 2017, 'Significant Increase in Band Gap and Emission Efficiency of In2O3 Quantum Dots by Size-Tuning around 1 nm in Supermicroporous Silicas', Langmuir, vol. 33, no. 12, pp. 3014-3017. https://doi.org/10.1021/acs.langmuir.6b04181
Suzuki T, Watanabe H, Ueno T, Oaki Y, Imai H. Significant Increase in Band Gap and Emission Efficiency of In2O3 Quantum Dots by Size-Tuning around 1 nm in Supermicroporous Silicas. Langmuir. 2017 Mar 28;33(12):3014-3017. https://doi.org/10.1021/acs.langmuir.6b04181
Suzuki, Takafumi ; Watanabe, Hiroto ; Ueno, Taiki ; Oaki, Yuya ; Imai, Hiroaki. / Significant Increase in Band Gap and Emission Efficiency of In2O3 Quantum Dots by Size-Tuning around 1 nm in Supermicroporous Silicas. In: Langmuir. 2017 ; Vol. 33, No. 12. pp. 3014-3017.
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