Defect-related light absorption, photoluminiscence and photocatalytic activity of SiO2 with tubular morphology
详细信息 查看全文
- 作者：C. Anastasescua ; M. Zaharescua ; D. Angelescua ; C. Munteanua ; V. Bratana ; T. Spatarua ; Catalin Negrilab ; Niculae Spatarua ; I. Balinta ; ibalint@icf.ro" class="auth_mail" title="E-mail the corresponding author
- 关键词：Synthesis of highly defected ; Non porous ; tubular SiO2 ; Enhanced light absorption and intense photoluminiscence is displayed by tubular SiO2 ; Defected SiO2 shows photocatalytic activity under simulated solar and visible irradiation ; Photoelectrochemical measurements evidence light-influenced electron transfer mediated by defected SiO2
- 刊名：Solar Energy Materials and Solar Cells
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：159
- 期：Complete
- 页码：325-335
- 全文大小：3526 K
文摘
- •
Improved light absorption by highly defected tubular SiO2.
- •
Defect-related intense photoluminiscence of tubular SiO2.
- •
Part of absorbed light by SiO2 is converted into chemical energy.
- •
Molecular O2 is activated by SiO2 lattice defects under UV irradiation.
- •
Si3+ and associated defects are responsible for uncommon properties of silica.