Mobility-lifetime products in CuGaSe2

I. Balberg; D. Albin; R. Noufi

doi:10.1063/1.101487

Mobility-lifetime products in CuGaSe₂

I. Balberg^*
, D. Albin
, R. Noufi

^*Corresponding author for this work

Racah Institute of Physics

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

16 Scopus citations

Abstract

We report the first accurate determination of mobility-lifetime products, μτ, in thin films of a Cu-ternary chalcopyrite by photoconductivity and ambipolar diffusion length measurements. We found that for Cu-deficient, nearly intrinsic CuGaSe₂ at an illumination of about 0.25 AM1 the hole's μτ is 6×10^-6 cm²/V while the electron's μτ is 2.6×10^-9 cm²/V. The lifetime dependence on the light intensity was found to be characterized by the exponent γ-1=-0.44.

Original language	English
Pages (from-to)	1244-1246
Number of pages	3
Journal	Applied Physics Letters
Volume	54
Issue number	13
DOIs	https://doi.org/10.1063/1.101487
State	Published - 1989

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title = "Mobility-lifetime products in CuGaSe2",

abstract = "We report the first accurate determination of mobility-lifetime products, μτ, in thin films of a Cu-ternary chalcopyrite by photoconductivity and ambipolar diffusion length measurements. We found that for Cu-deficient, nearly intrinsic CuGaSe2 at an illumination of about 0.25 AM1 the hole's μτ is 6×10-6 cm2/V while the electron's μτ is 2.6×10-9 cm2/V. The lifetime dependence on the light intensity was found to be characterized by the exponent γ-1=-0.44.",

author = "I. Balberg and D. Albin and R. Noufi",

year = "1989",

doi = "10.1063/1.101487",

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AU - Balberg, I.

AU - Albin, D.

AU - Noufi, R.

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N2 - We report the first accurate determination of mobility-lifetime products, μτ, in thin films of a Cu-ternary chalcopyrite by photoconductivity and ambipolar diffusion length measurements. We found that for Cu-deficient, nearly intrinsic CuGaSe2 at an illumination of about 0.25 AM1 the hole's μτ is 6×10-6 cm2/V while the electron's μτ is 2.6×10-9 cm2/V. The lifetime dependence on the light intensity was found to be characterized by the exponent γ-1=-0.44.

AB - We report the first accurate determination of mobility-lifetime products, μτ, in thin films of a Cu-ternary chalcopyrite by photoconductivity and ambipolar diffusion length measurements. We found that for Cu-deficient, nearly intrinsic CuGaSe2 at an illumination of about 0.25 AM1 the hole's μτ is 6×10-6 cm2/V while the electron's μτ is 2.6×10-9 cm2/V. The lifetime dependence on the light intensity was found to be characterized by the exponent γ-1=-0.44.

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JO - Applied Physics Letters

JF - Applied Physics Letters

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ER -

Mobility-lifetime products in CuGaSe₂

Abstract

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