Abstract
In this paper, effects of Fe doping on crystallinity, microstructure and photoluminescence (PL) properties of sol–gel derived SnO 2 thin films are reported. It is shown that doping of Fe 3+ ions leads to crystallite size reduction and higher strain in SnO 2 thin films. The room temperature PL spectra show marked changes in intensity and blue-shift of the emission lines upon Fe doping. These observations have been correlated with structural changes and defect chemistry of Fe doped SnO 2 thin films.
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