Photocatalytic hydrogen production using bimetallic and trimetallic hydrotalcite as photocatalysts

被引：2
|
作者：
Pina-Perez, Y. [1 ]
Samaniego-Benitez, J. E. [2 ]
Tzompantzi, F. [3 ]
Lartundo-Rojas, L. [4 ]
Garcia-Garcia, A. [5 ]
Mantilla, A. [1 ]
Romero-Ortiz, G. [3 ]
机构：
[1] Inst Politecn Nacl, CICATA Legaria, Legaria 694,Coll Irrigacion, Mexico City 11500, Mexico
[2] CONACyT Inst Politecn Nacl, CICATA Legaria Legaria, 694 Coll Irrigac, Mexico City 11500, Mexico
[3] Univ Autonoma Metropolitana, Ave San Rafael Atlixco 186 Leyes Reforma, Iztapalapa 09340, Mexico
[4] Ctr Nanociencias & Micro & Nanotecnol, Inst Politecn Nacl, Luis Enr Erro s-n, Mexico City, Mexico
[5] Ctr Invest Mat Avanzados SC Monterrey, Parque PIIT, Apodaca Nuevo Leon 66628, Mexico
来源：
MATERIALS LETTERS | 2023年 / 330卷
关键词：
Hydrotalcites; H2; production; Photocatalysis; IONS;
D O I：
10.1016/j.matlet.2022.133205
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Bimetallic ZnAl and trimetallic ZnCuAl hydrotalcites were synthesized using the coprecipitation method. The presence of the characteristic peaks of layered double hydroxide phases was observed by XRD analysis, as well as the typical like flower morphology of these materials by FESEM and HRTEM analysis. Changes in the valence and conduction bands position, as well as in the band gap calculated by UV-vis spectroscopy and XPS techniques was noted by the presence of Cu in the material. In the photocatalytic behavior for H2 production in presence of UV irradiation, ZnCuAl hydrotalcite showed the highest yield of H2 in comparison to ZnAl material, being both photocatalysts more actives that the reference photocatalyst, consisting in commercial TiO2 (Degussa P-25).
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页数：4
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