Universiti Teknologi Malaysia Institutional Repository

Efficient visible photoluminescence from self-assembled ge QDs embedded in silica matrix

Samavati, A. and Samavati, Z. and Ismail, A. F. and Othman, M. H. D. and Rahman, M. A. and Zulhairun, A. K. (2017) Efficient visible photoluminescence from self-assembled ge QDs embedded in silica matrix. Chinese Physics Letters, 34 (6). ISSN 0256-307X

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Abstract

Measuring the growth parameters of Ge quantum dots (QDs) embedded in SiO2/Si hetero-structure is prerequisite for developing the optoelectronic devices such as photovoltaics and sensors. Their optical properties can be tuned by tailoring the growth morphology and structures, where the growth parameters optimizations still need to be explored. We determine the effect of annealing temperature on surface morphology, structures and optical properties of Ge/SiO2/Si hetero-structure. Samples are grown via rf magnetron sputtering and subsequent characterizations are made using imaging and spectroscopic techniques.

Item Type:Article
Uncontrolled Keywords:Ge quantum dots (QDs, photovoltaics
Subjects:T Technology > TP Chemical technology
Divisions:Chemical Engineering
ID Code:75923
Deposited By: Widya Wahid
Deposited On:30 May 2018 12:10
Last Modified:30 May 2018 12:10

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