Substrate Temperature Induced (020) Growth Facets of Nebulizer Sprayed BiVO4 Thin Films for Effective Photodegradation of Rhodamine B

被引：11

作者：

Ravidhas, Chellathurai ^{[1
]}

Arivukarasan, Dharmalingam ^{[1
]}

Venkatesh, Ramadoss ^{[1
]}

Suresh, Esther Santhoshi Monica ^{[1
]}

Anitha, Balasubramanian ^{[1
]}

Josephine, Arokiaraj Juliat ^{[1
,2
]}

Raj, Arthur Ayyadurai Moses Ezhil ^{[3
]}

Ravichandran, Krishna Samy ^{[4
]}

Gopalakrishnan, Chandrasekaran ^{[5
]}

Sanjeeviraja, Chinnappanadar ^{[6
]}

机构：

[1] Bishop Heber Coll Autonomous, Dept Phys, Tiruchirappalli 620017, Tamil Nadu, India

[2] Holy Cross Coll Autonomous, Dept Phys, Tiruchirappalli 620002, Tamil Nadu, India

[3] Scott Christian Coll Autonomous, Dept Phys, Nagercoil 629001, Tamil Nadu, India

[4] AVVM Sri Pushpam Coll Autonomous, Dept Phys, Thanjavur 613503, Tamil Nadu, India

[5] SRM Univ, Nanotechnol Res Ctr, Kattankulathur 603203, Tamil Nadu, India

[6] Alagappa Chettiar Coll Engn & Technol, Dept Phys, Karaikkudi 630003, Tamil Nadu, India

来源：

CRYSTAL RESEARCH AND TECHNOLOGY | 2019年 / 54卷 / 01期

关键词：

BiVO4 thin films; dye degradation; jet nebulizer; photocatalyst; rhodamine B; PHOTOCATALYTIC PROPERTY; HYDROTHERMAL SYNTHESIS; SEMICONDUCTORS; DEGRADATION; FABRICATION; MECHANISM;

D O I：

10.1002/crat.201700257

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

The high-efficient and visible-light active monoclinic BiVO4 thin films with preferentially oriented (020) facets are successfully deposited by nebulizer spray pyrolysis technique. The role of substrate temperature over crystal growth facets and other physical properties of BiVO4 films are analyzed using XRD, HRTEM, UV spectrometer, and Raman analysis. The BiVO4 thin film deposited at 350 degrees C possesses broad absorbance in the visible region with highly exposed (020) facet is obtained. Room temperature photoluminescence analysis is used to understand the effective charge separation of photogenerated electron-hole pair in BiVO4 thin films. It is worth to mention that the obtained monoclinic scheelite BiVO4 film with preferentially oriented (020) facet has large surface areas to produce greater number of reactive hydroxyl radicals, for the effective photocatalytic degradation of rhodamine B dye. Total organic content (TOC) study is conducted to examine the mineralization of organic compounds present in rhodamine B dye.

引用

页数：11

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