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1. Retraction Note: Enhancement of the blue photoluminescence intensity for the porous silicon with HfO2 filling into microcavities

Author

Weideng Sun, Zuyin Han, Xianghao Du, Zhengran Wu, and Ran Jiang

Subjects
Multidisciplinary, Materials science, Photoluminescence, Silicon, business.industry, lcsh:R, chemistry.chemical_element, lcsh:Medicine, Porous silicon, Ferroelectricity, Electronic industry, Retraction Note, chemistry, Optoelectronics, Light emission, lcsh:Q, Porosity, business, lcsh:Science, Intensity (heat transfer)
Abstract

With HfO2 filled into the microcavities of the porous single-crystal silicon, the blue photoluminescence was greatly enhanced at room temperature. On one hand, HfO2 contributes to the light emission with the transitions of the defect levels for oxygen vacancy. On the other hand, the special filling-into-microcavities structure of HfO2 leads to the presence of ferroelectricity, which greatly enhances the blue emission from porous silicon. Since both HfO2 and Si are highly compatible with Si-based electronic industry, combined the low-cost and convenient process, the HfO2-filled porous Si shows a promising application prospect.

Published
2020

2. RETRACTED ARTICLE: Enhancement of the blue photoluminescence intensity for the porous silicon with HfO2 filling into microcavities

Author

Ran Jiang, Xianghao Du, Weideng Sun, Zuyin Han, and Zhengran Wu

Subjects
Multidisciplinary, Photoluminescence, Materials science, Silicon, business.industry, chemistry.chemical_element, Porous silicon, Bioinformatics, Electronic industry, Ferroelectricity, chemistry, Optoelectronics, Light emission, Porosity, business, Intensity (heat transfer)
Abstract

With HfO2 filled into the microcavities of the porous single-crystal silicon, the blue photoluminescence was greatly enhanced at room temperature. On one hand, HfO2 contributes to the light emission with the transitions of the defect levels for oxygen vacancy. On the other hand, the special filling-into-microcavities structure of HfO2 leads to the presence of ferroelectricity, which greatly enhances the blue emission from porous silicon. Since both HfO2 and Si are highly compatible with Si-based electronic industry, combined the low-cost and convenient process, the HfO2-filled porous Si shows a promising application prospect.

Published
2015

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