Synthesis and characterization of PbS/ZnO thin film for photocatalytic hydrogen production

被引：50

作者：

Carrasco-Jaim, Omar A. ^{[1
,4
]}

Ceballos-Sanchez, O. ^{[2
,3
]}

Torres-Martinez, Leticia M. ^{[1
]}

Moctezuma, Edgar ^{[4
]}

Gomez-Solis, Christian ^{[1
]}

机构：

[1] Univ Autonoma Nuevo Leon, Fac Ingn Civil, Dept Ecomat & Energia, Av Univ S-N Ciudad Univ, San Nicolas De Los Garza 66455, Nuevo Leon, Mexico

[2] Univ Autonoma Nuevo Leon, Conacyt, Fac Ingn Civil, Dept Ecomat & Energia, Av Univ S-N Ciudad Univ, San Nicolas De Los Garza 66455, Nuevo Leon, Mexico

[3] Univ Guadalajara CUCEI, Dept Ingn Proyectos, Zapopan 45100, Jalisco, Mexico

[4] Univ Autonoma San Luis Potosi, Fac Ciencias Quim, Av Manuel Nava 6, San Luis Potosi 78290, Slp, Mexico

来源：

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY | 2017年 / 347卷

关键词：

PbS/ZnO thin films; Photocatalysis; Hydrogen production; DOPED ZNO; WATER; SEMICONDUCTORS; MECHANISM; LAYER; TIO2; RF;

D O I：

10.1016/j.jphotochem.2017.07.016

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In this work, PbS/ZnO thin film was designed in order to assess the photocatalytic hydrogen production from the water splitting. A p-type PbS thin film was prepared by chemical bath deposition onto a glass substrate, followed by an n-type ZnO thin film deposition by RF magnetron sputtering. The structural and morphological characterization was carried out by grazing angle x-ray diffraction (GA-XRD), and atomic force microscopy (AFM), respectively, while the optical properties were studied using ultraviolet-visible spectroscopy (UV-Vis) and spectroscopic ellipsometry (SE). The photocatalytic activity was evaluated by quantifying the hydrogen production under UV light irradiation using gas chromatography. The results showed a higher photocatalytic hydrogen production of PbS/ZnO thin film (738 mol cm(-2)h(-1)) compared to PbS (3.35 mu molcm(-2)h(-1)) and ZnO (2.45 mu mol cm(-2)h(-1)) thin films. Linear sweep voltammetry (LSV) test showed the synergistic effect between PbS and ZnO thin films for the generation and transport of the charge carriers. (C) 2017 Elsevier B.V. All rights reserved,

引用

页码：98 / 104

页数：7

共 48 条

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