Synthesis of al doped ZnO films by sol-gel technique

S. R. Bhattacharyya; S. Majumder

doi:10.1142/S1793604710001111

Synthesis of al doped ZnO films by sol-gel technique

S. R. Bhattacharyya, S. Majumder

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

4 Scopus citations

Abstract

Transparent and conducting aluminium doped ZnO (ZnO:Al) films having different Al:Zn ratio were deposited by simple solgel technique on glass substrates. The films were characterized by microstructural, optical and electrical studies. It was observed that the films were transparent but highly resistive. The films were annealed at 300°C in an (nitrogen (N₂) + hydrogen (H₂) - 95% + 5%) atmosphere to obtain low resistive films. While the films showed transparency of > 70% in the visible range, the resistivity of the films was of the order of 10^-3 Ω cm. The optical constants of the films were studied by a modified KramersKronig model to study its variation with the change in aluminium (Al) concentration.

Original language	English
Pages (from-to)	111-114
Number of pages	4
Journal	Functional Materials Letters
Volume	3
Issue number	2
DOIs	https://doi.org/10.1142/S1793604710001111
State	Published - Jun 2010
Externally published	Yes

Keywords

Al doping
Thin films
ZnO
electrical
optical

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AB - Transparent and conducting aluminium doped ZnO (ZnO:Al) films having different Al:Zn ratio were deposited by simple solgel technique on glass substrates. The films were characterized by microstructural, optical and electrical studies. It was observed that the films were transparent but highly resistive. The films were annealed at 300°C in an (nitrogen (N2) + hydrogen (H2) - 95% + 5%) atmosphere to obtain low resistive films. While the films showed transparency of > 70% in the visible range, the resistivity of the films was of the order of 10-3 Ω cm. The optical constants of the films were studied by a modified KramersKronig model to study its variation with the change in aluminium (Al) concentration.

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Synthesis of al doped ZnO films by sol-gel technique

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Keywords

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