ItemArticle

Biogenic Synthesis of Zinc Oxide Nanoparticles using Coffea arabica Fruit Peel Extract for Electrochemical Detection and Photocatalytic Degradation of Methylene blue Dye

Title
Biogenic Synthesis of Zinc Oxide Nanoparticles using Coffea arabica Fruit Peel Extract for Electrochemical Detection and Photocatalytic Degradation of Methylene blue Dye
Creator
Manjunath, Kumbar Mudakappa; Yemmi, Rajeshwari; Deshadri, K.M.; Manjesh, M.
Description
Methylene blue is an ecologically toxic, carcinogenic, and mutagenic dye. Due to extensive industrial use, a significant quantity of effluent containing methylene blue dye is released into a water source. It may cause toxicity to humans and aquatic fauna. Therefore, detecting and removing MB dye from the effluent is essential. For this goal, we synthesized dual application zinc oxide nanoparticles using coffee fruit (Coffea arabica) peel biomass as a reducing agent. SEM scans revealed spherical nanoparticles. The EDX spectral data indicated the existence of zinc and oxygen elements. The X-ray diffraction pattern exhibited crystallinity of ZnO. Under optimized conditions, the electrochemical impedance spectroscopy (EIS), cyclic voltammetry, and Differential Pulse Voltammetry (DPV) study was studied for the detection of MB, an impressively low detection limit (LOD) of 0.01771 ?M was recorded, The photocatalytic efficacy of ZnO nanoparticles demonstrated a significant 92.43% degradation of methylene blue under UV light. So, Coffea arabica biomass may play a vital role in synthesizing eco-friendly ZnO nanomaterials for environmental remediation applications. 2026 Elsevier B.V.
Source
Microchemical Journal;Volume;224;Issue;;Article No.;117817;
Date
01-01-2026
Publisher
Elsevier Inc.
Subject
Coffea arabica; Green Synthesis; Methylene blue dye; Photocatalytic degradation; ZnO nanoparticles
Coverage
Manjunath K.M., Division of Plant Breeding and Genetics, Central Coffee Research Institute, Karnataka, Chikkamagaluru, 577117, India, Department of Applied Botany, Kuvempu University, Karnataka, Shivamogga, India; Yemmi R., Department of Industrial Chemistry, Kuvempu University, Karnataka, Shivamogga, India; Deshadri K.M., Department of Applied Botany, Kuvempu University, Karnataka, Shivamogga, India; Manjesh M., Department of Life Sciences, Christ University, Karnataka, Bangalore, India
Rights
Restricted Access; Hardcopy may be available in the library
Relation
ISSN: 0026265X; CODEN: MICJA
Format
online
Language
English
Type
Article

Citation

Manjunath, Kumbar Mudakappa; Yemmi, Rajeshwari; Deshadri, K.M.; Manjesh, M., “Biogenic Synthesis of Zinc Oxide Nanoparticles using Coffea arabica Fruit Peel Extract for Electrochemical Detection and Photocatalytic Degradation of Methylene blue Dye,” CHRIST (Deemed To Be University) Institutional Repository, accessed June 18, 2026, https://archives.christuniversity.in/items/show/22395.

Output Formats