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Article

Effect of Pluronic P103 Concentration on the Simple Synthesis of Ag and Au Nanoparticles and Their Application in Anatase-TiO2 Decoration for Its Use in Photocatalysis

by
Frida Karem Rivas-Moreno
1,
Adan Luna-Flores
1,
Daniel Cruz-González
1,
Valeria Jordana González-Coronel
1,
Manuel Sánchez-Cantú
1,
José Luis Rodríguez-López
2,
Uriel Caudillo-Flores
3 and
Nancy Tepale
1,*
1
Facultad de Ingeniería Química, Benemérita Universidad Autónoma de Puebla, Avenida San Claudio y 18 Sur, Puebla 72570, Mexico
2
Advanced Materials Department, Instituto Potosino de Investigación Científica y Tecnológica A.C., Camino a la Presa de San José 2055, Lomas 4 Sección, San Luis Potosi 78216, Mexico
3
Centro de Nanociencias y Nanotecnología, Universidad Nacional Autónoma de México, Ensenada 22860, Mexico
*
Author to whom correspondence should be addressed.
Molecules 2022, 27(1), 127; https://doi.org/10.3390/molecules27010127
Submission received: 1 November 2021 / Revised: 14 December 2021 / Accepted: 23 December 2021 / Published: 26 December 2021
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Abstract

Silver and gold nanoparticles were synthesized under environmentally-friendly reaction conditions by using a biodegradable copolymer and water as a solvent. The triblock copolymer Pluronic P103 was utilized as a stabilizing agent or soft template to produce Ag and Au nanoparticles (NPs) of different sizes. Moreover, in the synthesis of Au NPs, the polymer acted as a reducing agent, decreasing the number of reagents used and consequently the residues produced, hence, rendering the procedure less complicated. It was observed that as the concentration of the polymer increased, the size of the metallic NPs augmented as well. However, AgNPs and AuNPs prepared with 1 and 10 wt% Pluronic P103, respectively, showed a significant decrease in particle size due to the presence of polymeric soft templates. The hybrid materials (metal/polymer) were characterized by UV-Vis spectroscopy, DLS, and TEM. The pre-synthesized nanoparticles were employed to decorate anatase-TiO2, and the composites were characterized by DRS, XRD, BET surface area measurements, the TEM technique with the EDS spectrum, and XPS spectroscopy to demonstrate NPs superficial incorporation. Finally, methylene blue was used as a probe molecule to evidence the effect of NPs decoration in its photocatalytic degradation. The results showed that the presence of the NPs positively affected methylene blue degradation, achieving 96% and 97% removal by utilizing TAg0.1 and TAu10, respectively, in comparison to bare anatase-TiO2 (77%).
Keywords: green synthesis; photocatalysis; gold nanoparticles; silver nanoparticles; triblock copolymer; soft templates; TiO2 green synthesis; photocatalysis; gold nanoparticles; silver nanoparticles; triblock copolymer; soft templates; TiO2

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MDPI and ACS Style

Rivas-Moreno, F.K.; Luna-Flores, A.; Cruz-González, D.; González-Coronel, V.J.; Sánchez-Cantú, M.; Rodríguez-López, J.L.; Caudillo-Flores, U.; Tepale, N. Effect of Pluronic P103 Concentration on the Simple Synthesis of Ag and Au Nanoparticles and Their Application in Anatase-TiO2 Decoration for Its Use in Photocatalysis. Molecules 2022, 27, 127. https://doi.org/10.3390/molecules27010127

AMA Style

Rivas-Moreno FK, Luna-Flores A, Cruz-González D, González-Coronel VJ, Sánchez-Cantú M, Rodríguez-López JL, Caudillo-Flores U, Tepale N. Effect of Pluronic P103 Concentration on the Simple Synthesis of Ag and Au Nanoparticles and Their Application in Anatase-TiO2 Decoration for Its Use in Photocatalysis. Molecules. 2022; 27(1):127. https://doi.org/10.3390/molecules27010127

Chicago/Turabian Style

Rivas-Moreno, Frida Karem, Adan Luna-Flores, Daniel Cruz-González, Valeria Jordana González-Coronel, Manuel Sánchez-Cantú, José Luis Rodríguez-López, Uriel Caudillo-Flores, and Nancy Tepale. 2022. "Effect of Pluronic P103 Concentration on the Simple Synthesis of Ag and Au Nanoparticles and Their Application in Anatase-TiO2 Decoration for Its Use in Photocatalysis" Molecules 27, no. 1: 127. https://doi.org/10.3390/molecules27010127

APA Style

Rivas-Moreno, F. K., Luna-Flores, A., Cruz-González, D., González-Coronel, V. J., Sánchez-Cantú, M., Rodríguez-López, J. L., Caudillo-Flores, U., & Tepale, N. (2022). Effect of Pluronic P103 Concentration on the Simple Synthesis of Ag and Au Nanoparticles and Their Application in Anatase-TiO2 Decoration for Its Use in Photocatalysis. Molecules, 27(1), 127. https://doi.org/10.3390/molecules27010127

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