Pigments based on terbium-doped yttrium cerate with high NIR reflectance for cool roof and surface coating applications

Raj, Athira K. V.; Rao, P. Prabhakar; Sameera, S.; Divya, S.

doi:10.1016/j.dyepig.2015.06.021

Cited by 54 publications

(20 citation statements)

References 34 publications

(11 reference statements)

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“…Concerning the authorship of the publications, Akbari, H., who is affiliated with the United States and Canada, has made the most contributions to the field, with 36 publications, followed by Pisello, A.L. (33), and Levinson, R. (28). Most of the publications are affiliated with Italian universities (97 papers), followed by the United States and Canada, with 74 and 36 publications, respectively.…”

Section: Main Source Publicationsmentioning

confidence: 99%

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Cool Surface Strategies with an Emphasis on the Materials Dimension: A Review

et al. 2022

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The need to tackle the urban heat island effect demands the implementation of cool surfaces as a mitigation strategy. This study comprehensively reviews the evolution of this research field from a materials perspective. It provides a bibliometric analysis of the relevant literature using the SciMAT software processing of bibliographic records from 1995 to 2020, for the evolution of cool surfaces. The results obtained show an increased interest in the field from 2011 to 2020, particularly for roof applications, and present the scientific evolution of reflective materials. According to the materials dimension adopted by the development of the research field, the study is refined from a bibliometric analysis of 982 selected records for the analysis of five themes: (i) Pigments; (ii) Phase change materials; (iii) Retroreflective materials; (iv) Ceramic materials; and (v) Glass. These materials present promising results in terms of their solar reflectance performances in the mitigation of the urban heat island phenomenon. At the end of this review, recommendations for future studies are provided for the creation of economic and environmentally friendly materials based on waste glass recycling. This study represents a valuable contribution that provides a scientific background with regard to cool surfaces from a materials perspective for future investigations.

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Section: Main Source Publicationsmentioning

confidence: 99%

“…The pigments range from organic, to complex inorganic color mixed-metal oxides [27,28]. These substances have demonstrated high solar reflectances of up to 95%, compared to TiO 2 [29][30][31][32][33].…”

Section: Introductionmentioning

confidence: 99%

Cool Surface Strategies with an Emphasis on the Materials Dimension: A Review

et al. 2022

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“…The high NIR pigments as "cool" coating can help in maintaining lower exterior surface temperature of building; as a result, the indoor thermal comfort levels in hot season are improved. In recent years, many inorganic pigments have been extensively used as cool materials for building roofs and facades [4]. TiO 2 , a white pigment with a high solar reflectance of about 87%, is regarded as the best pigment for coating materials, but its application is restricted because it easily causes "white pollution" [5].…”

Section: Introductionmentioning

confidence: 99%

Synthesis, Characterization, and NIR Reflectance of Highly Dispersed NiTiO₃and NiTiO₃/TiO₂Composite Pigments

Tong

Jing

Chen

2016

Journal of Nanomaterials

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The highly dispersed nanostructured NiTiO3pigments and NiTiO3/TiO2composite pigments can be synthesized at relative low temperature. The activation energy of crystal growth of NiTiO3during calcinations via salt-assistant combustion method is 9.35 kJ/mol. The UV-vis spectra results revealed that the absorbance decreased with the increasing of calcinations temperature due to small size effect of nanometer particles. The optical data of NiTiO3nanocrystals were analyzed at the near-absorption edge. SEM showed that the obtained NiTiO3nanocrystals and NiTiO3/TiO2nanocomposite were composed of highly dispersed spherical-like and spherical particles with uniform size distribution, respectively. The chromatic properties and diffuse reflectance of samples were investigated. The obtained NiTiO3/TiO2composite samples have higher NIR reflectance than NiTiO3pigments.

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“…8 Rare earth compounds have been proposed as remarkable substitutes for conventional white pigments. For example, Raj et al 9 and Zhang et al 10 synthesized a series of colored inorganic pigments based on terbium-doped yttrium cerate and europium-doped strontium copper silicates and evaluated their color performance and NIR reectance. Although their properties are good, one problem associated with these inorganic pigments is that their cost is quite high.…”

Section: Introductionmentioning

confidence: 99%

Hydrothermal synthesis and characterization of novel yellow pigments based on V⁵⁺ doped BiPO₄ with high near-infrared reflectance

Ding

Han

et al. 2018

RSC Adv.

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In this study, a series of novel pigments based on V 5+ doped BiPO 4 have been prepared for the first time via a facile hydrothermal method and characterized using several analytical techniques, such as X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), ultraviolet-visible-near-infrared (UV-vis-NIR) spectrometry, the Commission International de l'Eclairage (CIE) L*a*b* color scales and thermogravimetry and differential thermal analysis (TG-DTA). The investigation demonstrated that the synthesized pigments of BiP 1Àx V x O 4 (x ¼ 0.00, 0.01, 0.05, 0.08, 0.10, 0.15) had a monazite-type phase structure and were about 0.25-2 mm in size. Meanwhile, the substitution of V 5+ for P 5+ in BiPO 4 resulted in the band gap of the pigments varying from 3.657 to 3.244 eV and its mechanism was explained by charge-transfer and energy band theory, while the color changed from white to yellow. More importantly, the V 5+ doped pigments possessed high NIR reflectance (>72%) and NIR solar reflectance ($75.64%) in the range 700-2500 nm. Moreover, coatings colored with synthetic pigments have higher NIR solar reflectance ($78.59%) than conventional pigments. Additionally, the pigments showed good thermal/chemical stabilities in high-temperature/acid/alkaline tests. In conclusion, the pigments have the potential to be applied as "cool pigments" to reduce energy consumption.

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Pigments based on terbium-doped yttrium cerate with high NIR reflectance for cool roof and surface coating applications

Cited by 54 publications

References 34 publications

Cool Surface Strategies with an Emphasis on the Materials Dimension: A Review

Cool Surface Strategies with an Emphasis on the Materials Dimension: A Review

Synthesis, Characterization, and NIR Reflectance of Highly Dispersed NiTiO₃and NiTiO₃/TiO₂Composite Pigments

Hydrothermal synthesis and characterization of novel yellow pigments based on V⁵⁺ doped BiPO₄ with high near-infrared reflectance

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Pigments based on terbium-doped yttrium cerate with high NIR reflectance for cool roof and surface coating applications

Cited by 54 publications

References 34 publications

Cool Surface Strategies with an Emphasis on the Materials Dimension: A Review

Cool Surface Strategies with an Emphasis on the Materials Dimension: A Review

Synthesis, Characterization, and NIR Reflectance of Highly Dispersed NiTiO3and NiTiO3/TiO2Composite Pigments

Hydrothermal synthesis and characterization of novel yellow pigments based on V5+ doped BiPO4 with high near-infrared reflectance

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Product

Resources

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Synthesis, Characterization, and NIR Reflectance of Highly Dispersed NiTiO₃and NiTiO₃/TiO₂Composite Pigments

Hydrothermal synthesis and characterization of novel yellow pigments based on V⁵⁺ doped BiPO₄ with high near-infrared reflectance