This paper investigates the synthesis of copper(I) oxide (Cu₂O) nanoparticles by reducing copper ions with ascorbic acid in the presence of polyethylene glycol (PEG) as a stabilizer. It has been found that pH is a key factor influencing both the concentration and the size of the nanoparticles. The electronic absorption spectra confirm the formation of nanoparticles exhibiting a characteristic surface plasmon resonance in the 300–350 nm range. The obtained data make it possible to recommend optimal conditions for the synthesis of stable Cu₂O colloidal solutions, which hold promise for photocatalytic applications.
copper(I) oxide, pH medium, polyethylene glycol, ascorbic acid, photocatalyst
1. Size-dependent conductivity-type inversion in Cu2O nanoparticles / B. Balamurugan, I. Aruna, B.R. Mehta, S.M. Shivaprasad // Physical Review V. – 2004. – No. 69. – P. 69-73.
2. Cerrato, E. Photocatalytic reductive and oxidative ability study of pristine ZnO and CeO2 - ZnO heterojunction impregnated with Cu2O / E. Cerrato, P. Calza, M.C. Paganini // Journal of Photochemistry and Photobiology A: Chemistry. – 2022. – No. 427. – Art. No. 113775.
3. In situ electrodeposition of a Cu2O/SnO2 periodical heterostructure film for photosensor applications / G. Cui, C. Xiao, P. Zhang, M. Zhang // Physical Chemistry Chemical Physics. – 2016. – No. 18. – P. 10918-10923.
4. Yadav, V.S.K. Electrochemical Studies for CO2 Reduction Using Synthesized CO3O4 (Anode) and Cu2O (Cathode) as Electrocatalysts / V.S.K. Yadav, M.K. Purkait // Energy Fuels. – 2015. – No. 29. – P. 6670-6677.
5. Ag/AgCl/ZnO nano-networks : preparation, characterization, mechanism and photocatalytic activity / A. Meng, J. Xing, Z. Li, Q. Wei, Q. Li,. Journal of Molecular Catalysis A: Chemical. – 2016. – No. 411. – P. 290-298.
6. Cu2O nanoparticles sensitized ZnO nanorod arrays: electrochemical synthesis and photocatalytic properties / Y. Wang, G. She, H. Xu, Y. Liu, L. Mu, W. Shi // Materials Letters. – 2012. – No. 67. – P. 110-112.
7. A Review on Cu2O– based composites in photocatalysis: synthesis, modification, and applications / Q. Su, Ch. Zuo, M. Liu, X. Tai // Molecules. – 2023. – No. 14. – Art. No. 5576.
8. Geetha, B. Priyadarshini mechanical milling of copper oxide nanoparticles / B. Geetha // Proceedings of the First International Conference on Combinatorial and Optimization, ICCAP 2021, December 7-8, 2021, Chennai, India. – DOI:https://doi.org/10.4108/eai.7-12-2021.2314972.
9. Formirovanie oksidnyh nanostruktur medi metodom lazernoy ablyacii v zhidkih sredah / N.N. Tarasenko, S.T. Pashayan, V.M. Anischik, A.V. Bucen', V. Kornev, N.V. Tarasenko // Vzaimodeystvie izlucheniy s tverdym telom : materialy 15-y Mezhdunar. konf., Minsk, Belarus', 26-29 sent. 2023 g. / Belorus, gos. un-t ; redkol.: V. V. Uglov (gl. red.) [i dr.]. – Minsk: BGU, 2023. – S. 449-451.
10. Lukashin, A.V. Himicheskie metody sinteza nanochastic / A.V. Lukashin, A.A. Eliseev. – Moskva: MGU, 2007. – 41 s.
11. Akarken, G. Hydrothermal synthesis of CuO nanoparticles: tailoring morphology and particle size variations for enhanced properties / G. Akarken , U. Cengiz, T.E. Bektaş // Çanakkale Onsekiz Mart University Journal of Advanced Research in Natural and Applied Sciences. – 2024. – No. 10. – P. 329-336.
12. Soldatenko, E.M. Himicheskie sposoby polucheniya nanochastic medi / E.M. Soldatenko, S.Yu. Doronin, R.K. Chernova // Butlerovskie soobscheniya. – 2014. – T. 37, №1. – S. 103-113.
13. Biogenic synthesis of copper oxide nanoparticles from aloe vera: antibacterial activity, molecular docking, and photocatalytic dye degradation / S. Jabeen, V.U. Siddiqui, Sh. Bala, N. Mishra, A. Mishra, R.a Lawrence, P. Bansal, A.R. Khan, T. Khan // Çanakkale Onsekiz Mart University Journal of Advanced Research in Natural and Applied Sciences. – 2024. – No. 9. – P. 30190-30204.
