The physical properties of Fluorine-doped tindioxide films and the influence of ageing and impurity effects

H. Haitjema, J.J.P. Elich

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Abstract

Fluorine-doped tin dioxide layers were produced by spraying an organic tin solution onto a hot substrate. The substrates were common window glass, pyrex and black enamelled steel. Best results were obtained with black enamelled steel, in which case typical values of the spectral selective layers were: a solar absorptance of 0.92 and a thermal emittance of 0.15. Investigations of the optical and electrical properties show that optical behaviour in the 3–10 µm region conforms well to the Drude theory. Ageing tests were carried out in air and in vacuum. In vacuum above about 250°C ageing effects occur, which are related to a decrease of the SnO-fraction of the layer. The effect of sodium, which can diffuse from the glass substrate into this layer, was also investigated. Experiments show that only unrealistically high concentrations of sodium show significant changes in the properties of the layer.
Original languageEnglish
Pages (from-to)79-90
JournalSolar Energy Materials
Volume16
Issue number1-3
DOIs
Publication statusPublished - 1987

Fingerprint

Fluorine
Physical properties
Aging of materials
Impurities
Substrates
Sodium
Vacuum
Tin dioxide
Glass
Steel
Spraying
Tin
Electric properties
Optical properties
Air
Experiments

Cite this

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abstract = "Fluorine-doped tin dioxide layers were produced by spraying an organic tin solution onto a hot substrate. The substrates were common window glass, pyrex and black enamelled steel. Best results were obtained with black enamelled steel, in which case typical values of the spectral selective layers were: a solar absorptance of 0.92 and a thermal emittance of 0.15. Investigations of the optical and electrical properties show that optical behaviour in the 3–10 µm region conforms well to the Drude theory. Ageing tests were carried out in air and in vacuum. In vacuum above about 250°C ageing effects occur, which are related to a decrease of the SnO-fraction of the layer. The effect of sodium, which can diffuse from the glass substrate into this layer, was also investigated. Experiments show that only unrealistically high concentrations of sodium show significant changes in the properties of the layer.",
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The physical properties of Fluorine-doped tindioxide films and the influence of ageing and impurity effects. / Haitjema, H.; Elich, J.J.P.

In: Solar Energy Materials, Vol. 16, No. 1-3, 1987, p. 79-90.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - The physical properties of Fluorine-doped tindioxide films and the influence of ageing and impurity effects

AU - Haitjema, H.

AU - Elich, J.J.P.

PY - 1987

Y1 - 1987

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AB - Fluorine-doped tin dioxide layers were produced by spraying an organic tin solution onto a hot substrate. The substrates were common window glass, pyrex and black enamelled steel. Best results were obtained with black enamelled steel, in which case typical values of the spectral selective layers were: a solar absorptance of 0.92 and a thermal emittance of 0.15. Investigations of the optical and electrical properties show that optical behaviour in the 3–10 µm region conforms well to the Drude theory. Ageing tests were carried out in air and in vacuum. In vacuum above about 250°C ageing effects occur, which are related to a decrease of the SnO-fraction of the layer. The effect of sodium, which can diffuse from the glass substrate into this layer, was also investigated. Experiments show that only unrealistically high concentrations of sodium show significant changes in the properties of the layer.

U2 - 10.1016/0165-1633(87)90010-4

DO - 10.1016/0165-1633(87)90010-4

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