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5 articles for “organic pigment”
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Synthesis and Characterization of Quinacridone Violet (Pigment Violet 19): Process Optimization and Colorimetric Evaluation
Abstract: Objective: This study focuses on the synthesis and characterization of Quinacridone Violet (Pigment Violet 19), a high-performance organic pigment known for excellent lightfastness and durability. The research aims to optimize the manufacturing process and evaluate the colorimetric properties of the synthesized pigment. Methods: PV 19 was synthesized via a multi-step process involving condensation, oxidation/hydrolysis, and ring closure/cyclization reactions. Two experimental batches (MM#973-A1/B1 and MM#974-A1/B1) were prepared with varying mole ratios …
Published in International Journal of Polymer Science and Engineering · Vol. 12, Issue 1, 2026 · pp. 41–51 Read article
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The Phenomenon of Photoelectron trap by Thylakoids, Hemi, and semiconductornanoparticles for Photodynamic therapy
Abstract: This research presents an overview of the comparison of photoelectron trap by both organic and analytic nanoparticles. The phenomenon of photon absorption by organic matter typically chlorophyll pigment (Thylakoids), Heme, and semiconductor nanoparticles such ZnO, TiO2, -Fe2O3 is the focus of current research. The study presents a way of optimizing photoelectron absorption for the applications in Photodynamic therapy. This phenomenon is studied by determining extinction, absorption and scattering probabilities by …
Published in International Journal of Applied Nanotechnology · Vol. 9, Issue 2, 2023 · pp. 1–11 Read article
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Process Optimization of Copper Phthalocyanine Pigment PB15:3: A Sustainable Solvent Reduction Strategy for Industrial Applications
Abstract: Copper phthalocyanine pigments, particularly PB15:3 (beta-phase), represent cornerstone materials in the global colorants industry with applications spanning automotive coatings, printing inks, and engineering plastics. Conventional synthesis routes for PB15:3 necessitate copious volumes of high-boiling organic solvents – predominantly dimethylaminoethanol (DMAE) and aromatic hydrocarbons – posing significant environmental burdens and economic constraints. This study presents a systematic investigation of solvent quantity optimization in the pigment finishing process of CI Pigment Blue …
Published in International Journal of Polymer Science and Engineering · Vol. 12, Issue 1, 2026 · pp. 21–40 Read article
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Photoelectron Trap by Green Chloroplast, Hemi, and Semiconductor Nanoparticles, for the Application of Molecular Electronics and Nanomedicine
Abstract: This reseach presents an overview of the photoelectron trap by both organic and analytic nanoparticles. The phenomenon of photon absorption by chloroplast, i.e thylakoids, chlorophyll pigment, Hemi, and semiconductor nanoparticles such ZnO, , and amorphous semiconductor, are studied by determining extinction, absorption, and scattering probabilities by using the probability and density functional theory. We then explain the photoelectron probability density and intensity of photoelectron absorbed by a spherical chloroplast like …
Published in International journal of Nanobiotechnology · Vol. 8, Issue 1, 2022 · pp. 1–12 Read article
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Studies of Nano-catalyst
Abstract: Nano-catalysts are studied in this article to compose single allocate transitional or novel atom on substrate in place of usual nano-configured atoms aligned to Pt, Pd, Ru, Rh and Ir. Acid to base proposition subjected to form stable catalyst composes from transition metals in place from expensive novel metals. In novel metal nano-cluster catalyst compose has selected scheme at rest with no or reverse consequence to give rise well defined …
Published in International Journal of Nanomaterials and Nanostructures · Vol. 7, Issue 1, 2021 · pp. 13–18 Read article