Photocatalytic properties of molybdenum oxide photoelectrode synthesized by spray pyrolysis method

被引：3
|
作者：
Jubu, Peverga. R. R. [1 ,2 ]
Yusuf, Bashir [3 ]
Yusof, Y. [4 ]
McAsule, A. A. [1 ]
Aondoakaa, S. I. [1 ]
Tsaviv, N. J. [5 ]
Chahul, H. F. [5 ]
Shiada, M. S. [6 ]
Gundu, A. A. [1 ]
Erukaa, M. [2 ]
机构：
[1] Univ Agr Makurdi, Joseph Sarwuan Tarka Univ Makurdi, Dept Phys, PMB 2373, Makurdi, Benue, Nigeria
[2] Univ Sains Malaysia USM, Sch Phys, George Town 11800, Malaysia
[3] Ahmadu Bello Univ Zaria, Dept Phys, Kaduna 810001, Nigeria
[4] Univ Sains Malaysia USM, Sch Phys, Nanooptoelectron Res NOR Lab, George Town 11800, Malaysia
[5] Univ Agr Makurdi, Dept Chem, PMB 2373, Makurdi, Benue, Nigeria
[6] Benue State Univ, PMB 102119, Makurdi, Benue, Nigeria
来源：
OPTICAL AND QUANTUM ELECTRONICS | 2023年 / 55卷 / 07期
关键词：
Molybdenum oxide; Spray pyrolysis; Photocatalysis; Photoelectrochemical water splitting; Thin film; TIO2; DEGRADATION; PERFORMANCE; ARRAYS; NANOSTRUCTURES; FILMS;
D O I：
10.1007/s11082-023-04958-8
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The present work reports the photoelectrocatalytic properties of pyrolyzed molybdenum oxide thin film. Microstructural analysis revealed clustered nanoaggregates. Structural analysis showed a polycrystalline alpha-MoO3 phase. The crystallite size, dislocation density, microstrain, and stacking faults were found to be 41.27 nm, 5.87 x 10(-4) lines/cm(2), 8.41 x 10(-4) and 1.78, respectively. The optical bandgap was found to be 3.20 eV. Linear sweep voltammetry measurement in 1 M KOH electrolyte revealed a significant photocurrent density of 992.39 mu A/cm(2) at a bias of 1.2 V versus Ag/AgCl (1.4 V vs. RHE). The reasonable performance of the device suggests that the rarely deployed spray pyrolysis method is promising for preparing photoactive alpha-MoO3 films for photoelectrochemical measurement.
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页数：14
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