Improved coloristic properties and high NIR reflectance of environment-friendly yellow pigments based on bismuth vanadate
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АуториDolić, Slobodan D
Jovanović, Dragana J.
Đačanin Far, Ljubica
Чланак у часопису (Објављена верзија)
© 2018 Elsevier Ltd and Techna Group S.r.l
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Herein, fine powders of yellow pigments based on BiVO4 were successfully prepared in two crystalline forms, tetragonal zircon-structured and monoclinic scheelite-structured, through a ethylene glycol-assisted method subjected to a thermal treatment at two different temperatures. The obtained materials were brightly colored with different hues of yellow, exhibited high reflection in the near-infrared region and showed visible luminescence under excitation by UV light. The new preparation method had a considerable effect on chromatic properties of the prepared scheelite-structured BiVO4 pigments. The sample with the most vivid and bright shade of yellow was found to have the L*a*b* and L*C* ab h* ab color coordinates of (87.28, 0.37, 91.53) and (87.28, 91.53, 89.79), which are indicative of exceptionally good chromatic properties superior and/or comparable to those of other inorganic yellow pigments, both commercially available and recently described. In addition, the NIR reflectance of ...this powder was very high (≥ 80%). © 2018 Elsevier Ltd and Techna Group S.r.l.
Кључне речи:Ceramic / Yellow pigment / BiVO4 / NIR reflective pigment / Luminescent pigment
Извор:Ceramics International, 2018, 44, 18, 22731-22737
- Утицај величине, облика и структуре наночестица на њихова својства и својства нанокомпозита (RS-172056)
- Физика аморфних и наноструктурних материјала (RS-171022)
ISSN: 0272-8842 (print); 1873-3956 (electronic)