Interaction of Co–ZnO pigments with ceramic frits: A combined study by XRD, FTIR and UV–visible

Combustion synthesis of Co-doped zinc oxide nanoparticles using mixture of citric acid–glycine fuels

“…The best method for investigating the color quality of a pigment is the evaluation of pigment's chroma (C*) and hue angle (h). C* and h are defined as follows [28]:…”

Effect of solvent on structure and optical properties of PZT nanoparticles prepared by sol–gel method, in infrared region

“…K-K is an appropriate method that can be used to analyze the IR reflectance spectra of various materials, from organic to inorganic, solid to liquid and single crystal, polycrystalline and amorphous [5][6][7]. FTIR spectroscopy is widely used for material characterization [8][9][10][11][12]. Although many papers have reported the synthesis of PZT-NPs, the optical properties of perovskite PZT-NPs however, have rarely been investigated.…”

Improving the flame retardancy of polypropylene by nano metal–organic frameworks and bioethanol coproduct

“…It is reported that the value of R is related to the size of the crystal region and further affects the pore size of the expanded carbon layer. The smaller the pore sizes are, the better the gas and heat barrier properties of the composite are . The calculated R value of the char residues for PP‐2 is 3.54.…”

“…The smaller the pore sizes are, the better the gas and heat barrier properties of the composite are. 37 The calculated R value of the char residues for PP-2 is 3.54. After adding ZIF-8, the R value for PP-3 and PP-4 is reduced to 2.39 and 1.92, respectively.…”