Brilliant yellow color and enhanced NIR reflectance of monoclinic BiVO4 through distortion in VO43- tetrahedra

被引：112

作者：

Kumari, L. Sandhya ^{[1
]}

Rao, P. Prabhakar ^{[1
]}

Radhakrishnan, A. Narayana Pillai ^{[1
]}

James, Vineetha ^{[1
]}

Sameera, S. ^{[1
]}

Koshy, Peter ^{[2
]}

机构：

[1] Natl Inst Interdisciplinary Sci & Technol NIIST, CSIR, Mat Sci & Technol Div, Thiruvananthapuram 695019, Kerala, India

[2] Younus Coll Engn & Technol, Kollam 691010, India

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2013年 / 112卷

关键词：

Bismuth vanadate; Yellow pigments; NIR reflectance; SCHEELITE STRUCTURE; PIGMENTS;

D O I：

10.1016/j.solmat.2013.01.022

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Bright yellow coloration and enhanced NIR reflectance of monoclinic bismuth vanadate are obtained by the substitution of Ta/P into the vanadium sites of BiVO4. Pentavalent metal ion substitution in bismuth vanadate blue shifted the absorption edge leading to bright yellow coloration and the color properties are comparable to that of commercially used praseodymium yellow. Lattice distortion and reduced crystallite size imposed by pentavalent metal ion substitution are responsible for the special optical properties. The synthesized pigments with improved yellow coloration exhibits good NIR reflectance making them potential candidate for cool colorants to reduce the heat build-up. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：134 / 143

页数：10

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