Thermally evaporated ZnPc thin films—band gap dependence on thickness

S. Senthilarasu; R. Sathyamoorthy; S. Lalitha; A. Subbarayan; K. Natarajan

Thermally evaporated ZnPc thin films—band gap dependence on thickness

S. Senthilarasu, R. Sathyamoorthy, S. Lalitha, A. Subbarayan, K. Natarajan

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

Abstract

The ZincPhthalocyanine (ZnPc) thin films were obtained by thermal evaporation method. The X-ray diffraction analysis of vacuum evaporated ZnPc films reveals that the structure of the film is polycrystalline in nature for the samples grown at higher substrate temperatures. The crystallite size (D), dislocation density (δ) and strain (ε) were calculated. The optical band gap energy has been calculated from the (αhν)2 vs. hν plot. The optical band gap energy of the ZnPc films was found to decrease with increase in film thickness.

Original language	English
Pages (from-to)	179-186
Number of pages	8
Journal	Solar Energy Materials and Solar Cells
Volume	82
Issue number	1-2
Early online date	6 Feb 2004
Publication status	Published - 1 May 2004
Externally published	Yes

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title = "Thermally evaporated ZnPc thin films—band gap dependence on thickness",

abstract = "The ZincPhthalocyanine (ZnPc) thin films were obtained by thermal evaporation method. The X-ray diffraction analysis of vacuum evaporated ZnPc films reveals that the structure of the film is polycrystalline in nature for the samples grown at higher substrate temperatures. The crystallite size (D), dislocation density (δ) and strain (ε) were calculated. The optical band gap energy has been calculated from the (αhν)2 vs. hν plot. The optical band gap energy of the ZnPc films was found to decrease with increase in film thickness.",

author = "S. Senthilarasu and R. Sathyamoorthy and S. Lalitha and A. Subbarayan and K. Natarajan",

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T1 - Thermally evaporated ZnPc thin films—band gap dependence on thickness

AU - Senthilarasu, S.

AU - Sathyamoorthy, R.

AU - Lalitha, S.

AU - Subbarayan, A.

AU - Natarajan, K.

PY - 2004/5/1

Y1 - 2004/5/1

N2 - The ZincPhthalocyanine (ZnPc) thin films were obtained by thermal evaporation method. The X-ray diffraction analysis of vacuum evaporated ZnPc films reveals that the structure of the film is polycrystalline in nature for the samples grown at higher substrate temperatures. The crystallite size (D), dislocation density (δ) and strain (ε) were calculated. The optical band gap energy has been calculated from the (αhν)2 vs. hν plot. The optical band gap energy of the ZnPc films was found to decrease with increase in film thickness.

AB - The ZincPhthalocyanine (ZnPc) thin films were obtained by thermal evaporation method. The X-ray diffraction analysis of vacuum evaporated ZnPc films reveals that the structure of the film is polycrystalline in nature for the samples grown at higher substrate temperatures. The crystallite size (D), dislocation density (δ) and strain (ε) were calculated. The optical band gap energy has been calculated from the (αhν)2 vs. hν plot. The optical band gap energy of the ZnPc films was found to decrease with increase in film thickness.

M3 - Article

SN - 0927-0248

VL - 82

SP - 179

EP - 186

JO - Solar Energy Materials and Solar Cells

JF - Solar Energy Materials and Solar Cells

IS - 1-2

ER -

Thermally evaporated ZnPc thin films—band gap dependence on thickness

Abstract

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