Inorganic ferrite brown; transformation towards a versatile pigment for energy efficient constructions

Kalarikkal, Thejus Peringattu; Veedu, Krishnapriya Karattu; Gopalan, Nishanth Karimbintherikkal

doi:10.1016/j.jiec.2023.02.035

Cited by 5 publications

(4 citation statements)

References 49 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Both samples possessed an overall sunlight NIR reflectance of more than 90%. The retained high NIR reflectivity of the BiVO 4 @SiO 2 encapsulated pigment means that it has good prospects for being applied as a cold pigment for energy-saving applications such as architectural coatings, vehicle paints, exterior wall tiles, and other building decoration materials, since NIR radiation accounts for 52% of the energy from sunlight [14,16,[34][35][36]. Furthermore, the preparation cost of BiVO 4 @SiO 2 is much lower than that of BiVO 4 considering the ~37.5% SiO 2 content.…”

Section: Chromatic and Spectroscopic Properties Of Bivo 4 @Sio 2 Pigm...mentioning

confidence: 99%

Preparation of Environmentally Friendly BiVO4@SiO2 Encapsulated Yellow Pigment with Remarkable Thermal and Chemical Stability

Chen,

Zhang,

Tao

et al. 2023

Inorganics

View full text Add to dashboard Cite

The preparation of environmentally friendly inorganic encapsulated pigments with a bright color and sufficient stability provides an effective strategy for expanding their applications in plastic, paint, glass, and ceramic decoration. The challenges facing the use of such pigments include the formation of a dense protective coating with the required endurance, the relatively weak color of the encapsulated pigments, and the preferable inclusion particle size. Environmentally friendly BiVO4 is regarded as a very promising pigment for multiple coloring applications due to its brilliant yellow color with high saturation. However, its poor thermal and chemical stability greatly limit the application of BiVO4. Herein, we report a sol–gel method to synthesize inorganic BiVO4@SiO2 yellow pigment with a core–shell structure. By controlling the synthesis conditions, including the particle size and dispersion of BiVO4 and the calcination temperature, a BiVO4@SiO2 encapsulated pigment with excellent chromatic properties was achieved. The obtained environmentally friendly BiVO4@SiO2 pigment with encapsulation modification has a comparable color-rendering performance to BiVO4, and it has a high thermal stability at 700 °C, excellent acid resistance, and good compatibility in plastics. The present research is expected to expand the application of yellow BiVO4 pigment in harsh environments.

show abstract

Section: Chromatic and Spectroscopic Properties Of Bivo 4 @Sio 2 Pigm...mentioning

confidence: 99%

Preparation of Environmentally Friendly BiVO4@SiO2 Encapsulated Yellow Pigment with Remarkable Thermal and Chemical Stability

Chen,

Zhang,

Tao

et al. 2023

Inorganics

View full text Add to dashboard Cite

show abstract

“…Therefore, brown ZnFe 2 O 4 is a cost-effective prevalent color of choice for roofs and exterior coatings of buildings. 13 Spinels are sensitive to the synthesis procedures and substitution by other metals. 18 Introducing transition metal ions into the spinel lattice is an effective way to improve and control the structure and property of spinels.…”

Section: ■ Introductionmentioning

confidence: 99%

“…Spinels have an AB 2 O 4 stoichiometry with A cations having ionic radii r A between 0.06 and 0.100 nm and B cations having ionic radii r B between 0.055 and 0.100 nm . Some attempts have been reported in spinel ferrite systems to develop NIR-reflecting materials in ZnFe 1.9 M 0.1 O 4 (M = Al 3+ , Si 4+ , Ti 4+ , La 3+ , and Y 3+ ) and ZnFe 1– x Al x O 4 (0 ≤ x ≤ 0.8), magnesium-doped ZnFe 2 O 4 , and Mg 1– x Mn x Fe 2 O 4 systems. − Unfortunately, compared to its parent ferrite, the color parameters for all of the compositions were unfavorable. White pigments such as SiO 2 and TiO 2 possess high near infrared (NIR) reflectivity.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Exploration of Near-Infrared-Reflecting Zn_0.5M_0.5Fe₂O₄ Pigment for Sustainable Coatings by Transition Metal Substitutions and a Modifier

Sameera,

Vibin Lal Nayakom Mini,

Athyaparambath

et al. 2023

ACS Appl. Eng. Mater.

View full text Add to dashboard Cite

Zinc ferrite pigments have emerged as potential candidates for enabling technology for large-scale energy-saving applications, which are safer, more accessible, and less damaging to the environment when compared to similar rare-earth-based colorants. Introducing transition metals into the ZnFe2O4 host lattice may distort the normally ordered lattice. A mineralizer was employed to further tune the color and infrared (IR)-reflective properties. NaCl lowered the crystallization temperature of the spinel zinc ferrite phase owing to its facilitation of ionic diffusion in solid-state reactions. Using a mineralizer promoted the generation of regular pigment particles to further enhance the optical property, leading to a low-cost, effective green strategy for heat mitigation. The acrylic coating of the pigment over the concrete substrate demonstrated good color consistency and near infrared (NIR) reflectivity (temperature shielding character). The surface temperature difference between the coated and uncoated acrylic binder-based mineralizer-added zinc ferrite was 16.4 °C. Since the synthesized zinc ferrite-based pigments have chemical stability and good NIR reflectivity and color characteristics, they have potential application for exterior energy-saving coatings.

show abstract

Effect of La3+ on thermal, structural and morphological properties of Zn–Co ferrite spinel-based pigments

Dippong,

Mereu

2023

Ceramics International

View full text Add to dashboard Cite

Inorganic ferrite brown; transformation towards a versatile pigment for energy efficient constructions

Cited by 5 publications

References 49 publications

Preparation of Environmentally Friendly BiVO4@SiO2 Encapsulated Yellow Pigment with Remarkable Thermal and Chemical Stability

Preparation of Environmentally Friendly BiVO4@SiO2 Encapsulated Yellow Pigment with Remarkable Thermal and Chemical Stability

Exploration of Near-Infrared-Reflecting Zn_0.5M_0.5Fe₂O₄ Pigment for Sustainable Coatings by Transition Metal Substitutions and a Modifier

Effect of La3+ on thermal, structural and morphological properties of Zn–Co ferrite spinel-based pigments

Contact Info

Product

Resources

About

Inorganic ferrite brown; transformation towards a versatile pigment for energy efficient constructions

Cited by 5 publications

References 49 publications

Preparation of Environmentally Friendly BiVO4@SiO2 Encapsulated Yellow Pigment with Remarkable Thermal and Chemical Stability

Preparation of Environmentally Friendly BiVO4@SiO2 Encapsulated Yellow Pigment with Remarkable Thermal and Chemical Stability

Exploration of Near-Infrared-Reflecting Zn0.5M0.5Fe2O4 Pigment for Sustainable Coatings by Transition Metal Substitutions and a Modifier

Effect of La3+ on thermal, structural and morphological properties of Zn–Co ferrite spinel-based pigments

Contact Info

Product

Resources

About

Exploration of Near-Infrared-Reflecting Zn_0.5M_0.5Fe₂O₄ Pigment for Sustainable Coatings by Transition Metal Substitutions and a Modifier