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Issue 25, 2011
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In situ enhancement of the blue photoluminescence of colloidal Ga2O3 nanocrystals by promotion of defect formation in reducing conditions

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Abstract

We demonstrate redox control of defect-based photoluminescence efficiency of colloidal γ-Ga2O3 nanocrystals. Reducing environment leads to an increase in photoluminescence intensity by enhancing the concentration of oxygen vacancies, while the blue emission is suppressed in oxidative conditions. These results enable optimization of nanocrystal properties by in situ defect manipulation.

Graphical abstract: In situ enhancement of the blue photoluminescence of colloidal Ga2O3 nanocrystals by promotion of defect formation in reducing conditions

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Publication details

The article was received on 07 Apr 2011, accepted on 06 May 2011 and first published on 24 May 2011


Article type: Communication
DOI: 10.1039/C1CC11957E
Citation: Chem. Commun., 2011,47, 7161-7163
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    In situ enhancement of the blue photoluminescence of colloidal Ga2O3 nanocrystals by promotion of defect formation in reducing conditions

    T. Wang and P. V. Radovanovic, Chem. Commun., 2011, 47, 7161
    DOI: 10.1039/C1CC11957E

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