Synthesis, diffused reflectance and electrical properties of nanocrystalline Fe-doped ZnO via sol-gel calcination technique

C. Aydn; M. S. Abd El-Sadek; Kaibo Zheng; I. S. Yahia; F. Yakuphanoglu

doi:10.1016/j.optlastec.2012.11.004

Synthesis, diffused reflectance and electrical properties of nanocrystalline Fe-doped ZnO via sol-gel calcination technique

C. Aydn
, M. S. Abd El-Sadek
, Kaibo Zheng
, I. S. Yahia
, F. Yakuphanoglu

Firat University
South Valley University
Lund University
Ain Shams University
King Khalid University

Research output: Contribution to journal › Article › peer-review

213 Scopus citations

Abstract

The nanocrystalline ZnO:Fe semiconductor oxides were successfully synthesized via the sol-gel calcination method. Structural, optical and electrical properties of the investigated samples were characterized by various techniques such as atomic force microscopy (AFM), UV-vis absorption and electrical transport measurements. The optical band gap for undoped ZnO (3.19 eV) decreases (2.75 eV) with increasing Fe-doped ZnO (20%). The temperature dependences of the electrical conductivities of undoped ZnO and Fe-doped ZnO were measured and analyzed by Arrhenius equation. The electrical conductivity of the samples decreases with the increase of Fe doping ratio; hence, the electrical conductivity mechanism is controlled by thermally activated processes. To support the nanostructure of Fe-doped ZnO, AFM micrographs were performed.

Original language	English
Pages (from-to)	447-452
Number of pages	6
Journal	Optics and Laser Technology
Volume	48
DOIs	https://doi.org/10.1016/j.optlastec.2012.11.004
State	Published - 2013
Externally published	Yes

Keywords

Fe-doped ZnO nanopowders
Optical properties
Sol-gel calcination method

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10.1016/j.optlastec.2012.11.004

Cite this

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title = "Synthesis, diffused reflectance and electrical properties of nanocrystalline Fe-doped ZnO via sol-gel calcination technique",

abstract = "The nanocrystalline ZnO:Fe semiconductor oxides were successfully synthesized via the sol-gel calcination method. Structural, optical and electrical properties of the investigated samples were characterized by various techniques such as atomic force microscopy (AFM), UV-vis absorption and electrical transport measurements. The optical band gap for undoped ZnO (3.19 eV) decreases (2.75 eV) with increasing Fe-doped ZnO (20\%). The temperature dependences of the electrical conductivities of undoped ZnO and Fe-doped ZnO were measured and analyzed by Arrhenius equation. The electrical conductivity of the samples decreases with the increase of Fe doping ratio; hence, the electrical conductivity mechanism is controlled by thermally activated processes. To support the nanostructure of Fe-doped ZnO, AFM micrographs were performed.",

keywords = "Fe-doped ZnO nanopowders, Optical properties, Sol-gel calcination method",

author = "C. Aydn and \{Abd El-Sadek\}, \{M. S.\} and Kaibo Zheng and Yahia, \{I. S.\} and F. Yakuphanoglu",

year = "2013",

doi = "10.1016/j.optlastec.2012.11.004",

language = "English",

volume = "48",

pages = "447--452",

journal = "Optics and Laser Technology",

issn = "0030-3992",

publisher = "Elsevier Ltd",

}

TY - JOUR

T1 - Synthesis, diffused reflectance and electrical properties of nanocrystalline Fe-doped ZnO via sol-gel calcination technique

AU - Aydn, C.

AU - Abd El-Sadek, M. S.

AU - Zheng, Kaibo

AU - Yahia, I. S.

AU - Yakuphanoglu, F.

PY - 2013

Y1 - 2013

N2 - The nanocrystalline ZnO:Fe semiconductor oxides were successfully synthesized via the sol-gel calcination method. Structural, optical and electrical properties of the investigated samples were characterized by various techniques such as atomic force microscopy (AFM), UV-vis absorption and electrical transport measurements. The optical band gap for undoped ZnO (3.19 eV) decreases (2.75 eV) with increasing Fe-doped ZnO (20%). The temperature dependences of the electrical conductivities of undoped ZnO and Fe-doped ZnO were measured and analyzed by Arrhenius equation. The electrical conductivity of the samples decreases with the increase of Fe doping ratio; hence, the electrical conductivity mechanism is controlled by thermally activated processes. To support the nanostructure of Fe-doped ZnO, AFM micrographs were performed.

AB - The nanocrystalline ZnO:Fe semiconductor oxides were successfully synthesized via the sol-gel calcination method. Structural, optical and electrical properties of the investigated samples were characterized by various techniques such as atomic force microscopy (AFM), UV-vis absorption and electrical transport measurements. The optical band gap for undoped ZnO (3.19 eV) decreases (2.75 eV) with increasing Fe-doped ZnO (20%). The temperature dependences of the electrical conductivities of undoped ZnO and Fe-doped ZnO were measured and analyzed by Arrhenius equation. The electrical conductivity of the samples decreases with the increase of Fe doping ratio; hence, the electrical conductivity mechanism is controlled by thermally activated processes. To support the nanostructure of Fe-doped ZnO, AFM micrographs were performed.

KW - Fe-doped ZnO nanopowders

KW - Optical properties

KW - Sol-gel calcination method

UR - https://www.scopus.com/pages/publications/84871726603

U2 - 10.1016/j.optlastec.2012.11.004

DO - 10.1016/j.optlastec.2012.11.004

M3 - Article

AN - SCOPUS:84871726603

SN - 0030-3992

VL - 48

SP - 447

EP - 452

JO - Optics and Laser Technology

JF - Optics and Laser Technology

ER -

Synthesis, diffused reflectance and electrical properties of nanocrystalline Fe-doped ZnO via sol-gel calcination technique

Abstract

Keywords

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