The evolution of 'sol–gel'chemistry as a technique for materials synthesis

AE Danks, SR Hall, Z Schnepp - Materials Horizons, 2016 - pubs.rsc.org
From its initial use to describe hydrolysis and condensation processes, the term 'sol–gel'is
now used for a diverse range of chemistries. In fact, it is perhaps better defined more broadly …

Cobalt and associated impurities in blue (and green) glass, glaze and enamel: Relationships between raw materials, processing, composition, phases and …

P Colomban, B Kırmızı, G Simsek Franci - Minerals, 2021 - mdpi.com
Minerals able to colour in blue (and green in combination with yellow pigments) are limited
in number and geologically. After presenting a short history of the use of cobalt as a …

Structural and optical properties of Cu-doped ZnAl2O4 and its application as photocatalyst for Cr (VI) reduction under sunlight

FZ Akika, M Benamira, H Lahmar, M Trari… - Surfaces and …, 2020 - Elsevier
Cu-doped ZnAl 2 O 4 spinel oxides (Zn (1-x) Cu x Al 2 O 4, 0.0≤ x≤ 1.0) were synthesized
by co-precipitation method at 800° C. The X-ray diffraction analysis of the as-prepared …

Synthesis and characterization of Co1− xZnxCr2− yAlyO4 as a near-infrared reflective color tunable nano-pigment

HR Hedayati, AAS Alvani, H Sameie, R Salimi… - Dyes and pigments, 2015 - Elsevier
A series of near-infrared reflective nano-pigments based on Co 1− x Zn x Cr 2− y Al y O 4 (x=
0–1 and y= 0–2) have been synthesized via Pechini-type sol–gel method. Comprehensive …

Near-infrared reflecting blue inorganic nano-pigment based on cobalt aluminate spinel via combustion synthesis method

AA Ali, E El Fadaly, IS Ahmed - Dyes and Pigments, 2018 - Elsevier
CoAl 2 O 4 nanoparticles as a high NIR solar reflectance inorganic pigment was
successfully prepared by combustion synthesis using glycine, malonic acid dihydrazide as a …

Synthesis of green cool pigments (CoxZn1-xO) for application in NIR radiation reflectance

J de Oliveira Primo, KW Borth, DC Peron… - Journal of Alloys and …, 2019 - Elsevier
Reconciling green synthesis, sustainability and production of pigments for protection of solar
radiation is a continuous topic of search for unique, versatile and environmental compatible …

Cobalt and nickel aluminate spinels: Blue and cyan pigments

M Gaudon, LC Robertson, E Lataste, M Duttine… - Ceramics …, 2014 - Elsevier
Abstract M 2+-doped aluminate spinels (M= Co or Ni) were prepared by a polymeric route
leading to pure phases for synthesis temperatures equal to 800 or 1200° C and …

Combustion synthesis of a blue Co-doped zinc aluminate near-infrared reflective pigment

R Ianoş, E Muntean, C Păcurariu, R Lazău, C Bandas… - Dyes and …, 2017 - Elsevier
A near-infrared reflective blue pigment with a low cobalt content, Zn 0.9 Co 0.1 Al 2 O 4, was
prepared by solution combustion synthesis, which proved to be time-effective and energy …

Microwave combustion synthesis, structural, optical and magnetic properties of Zn1− xCoxAl2O4 (0⩽ x⩽ 0.5) spinel nanostructures

GT Anand, LJ Kennedy, JJ Vijaya - Journal of alloys and compounds, 2013 - Elsevier
Cobalt doped zinc aluminate spinel type nanostructures were synthesized by microwave
combustion method. The structural, vibrational, optical, morphological and magnetic …

Novel fabrication of rod-like CoAl2O4/halloysite hybrid pigment derived from Co-MOF/nano-clay and mechanism exploration

Q Sun, J Zhao, Z Hu, J Zhang, J Yan, J Sheng - Dyes and Pigments, 2022 - Elsevier
Highlights•The rod-like CoAl 2 O 4/halloysite hybrid pigment is fabricated by ZIF-67@
halloysite.•The CoAl 2 O 4/halloysite hybrid pigment shows a typical bright blue color.•The …