Structural, optical and conductivity studies of amorphous ZnxNi1-xO thin films along with wettability and photocatalytic tests

被引：12

作者：

Dridi, R. ^{[1
,2
]}

BenAmor, M. ^{[1
]}

Mahdhi, N. ^{[3
]}

Amlouk, A. ^{[1
]}

Boubaker, K. ^{[1
]}

Amlouk, M. ^{[1
]}

机构：

[1] Fac Sci Tunis, Unite Phys Dispositifs Semi Conducteurs UPDS, Campus Univ, Tunis 2092, Tunisia

[2] Univ Carthage, Fac Sci Bizerte, Zarzouna 7021, Tunisia

[3] Lab Mat Org & Proprietes, Campus Univ El Manar, Tunis 2092, Tunisia

来源：

JOURNAL OF NON-CRYSTALLINE SOLIDS | 2016年 / 449卷

关键词：

ZnxNi1-xO; AC and DC conductivity; Spray pyrolysis; Lattice Compatibility Theory (LCT); COMPATIBILITY THEORY LCT; AC CONDUCTIVITY; PATTERNS; LATTICES; BEHAVIOR; SUPPORT; TERMS;

D O I：

10.1016/j.jnoncrysol.2016.07.008

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Non-crystalline zinc nickel oxide has been deposited on glass substrate using spray pyrolysis. The structural and optical properties were examined using XRD and UV-visible spectrophotometry. These films are characterized by a direct band gap and the optical band gap energy value is lying between 3.66 eV and 3.79 eV. The electrical conductivity was investigated at different temperatures (330-450 degrees C) by using the impedance spectroscopy technique in a frequency range from 5 Hz to 13 MHz. The value of s is dependent on temperature, which tends to decrease depending on the temperature. The temperature dependence of both the AC conductivity and the parameter s is interpreted by the correlated barrier hopping (CBH) model. These films revealed a hydrophilic character. Moreover, in the presence of these samples, a photodegradation of methyl blue (MB) and effective mineralization occurred; 14 mg/L of MB was degraded within 120 min. Finally, elements from the Lattice Compatibility Theory were presented in order to understand partial non-crystallization of the ZnO-NiO binary structure. (C) 2016 Elsevier B.V. All tights reserved.

引用

页码：1 / 11

页数：11

共 48 条

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