Photovoltaics. Lecture 7. CIGS.
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Photovoltaics. Lecture 7. CIGS. From previous lecture:. Cu(Inx,Ga1-x)Se2 (CIGS):. Wide energy sensitivity. Amorphous Si. E (x)[eV] = 1,02 +0,67x + 0,11x(x-1). K. Miyazaki et al., “High sensitivity and wide bandwidth Image Sensor using CuIn1-xGaxSe2 thin films”

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Photovoltaics lecture 7 cigs

Photovoltaics. Lecture 7. CIGS.

From previous lecture:

Cu(Inx,Ga1-x)Se2 (CIGS):.

Wide energy sensitivity.

Amorphous Si.

E (x)[eV] = 1,02 +0,67x + 0,11x(x-1)

K. Miyazaki et al., “High sensitivity and wide bandwidth Image Sensor using CuIn1-xGaxSe2 thin films”

Thin Solid Films In Press, Accepted Manuscript


Photovoltaics lecture 7 cigs

Photovoltaics. Lecture 7. CIGS.

Image sensor: spectral sensitivity

K. Miyazaki et al., “High sensitivity and wide bandwidth Image Sensor using CuIn1-xGaxSe2 thin films” Thin Solid Films In Press, Accepted Manuscript


Photovoltaics lecture 7 cigs

Photovoltaics. Lecture 7. CIGS.

The dashed lines show a case, where the activation energy of a defect state at the CdS/Cu(In,Ga)(S,Se)2 interface is increased due to changes at the interface

Carsten Deibel, Dr. Jürgen Parisi, and Dr. Vladimir Dyakonov,

“Defect Spectroscopy on Cu(In,Ga)(S,Se)2-Based Heterojunction Solar Cells: Role of the Damp-Heat Treatment”


Photovoltaics lecture 7 cigs

Photovoltaics. Lecture 7. CIGS.

Growth:

Georg Voorwinden, Robert Kniese, and Michael Powalla, “In-line Cu(In,Ga)Se2 co-evaporation processes with graded band gaps on large substrates,” Thin Solid Films 431-432 (May 1, 2003)


Photovoltaics lecture 7 cigs

Photovoltaics. Lecture 7. CIGS.

Growth: Real live

ZSW, Stuttgart


Photovoltaics lecture 7 cigs

Photovoltaics. Lecture 7. CIGS.

Grains:

Polycrystalline Cu(In,Ga)Se2 (CIGS)-based device is now approaching 20%, significantly surpassing the best corresponding single-crystal devices (13%)

Yanfa Yan et al., Physica B: Condensed Matter 401-402 (December 15, 2007)

Powalla et al., Thin Solid Films In Press, Accepted Manuscript

T. Eisenbarth et al., Thin Solid Films In Press, Accepted Manuscript


Photovoltaics lecture 7 cigs

Photovoltaics. Lecture 7. CIGS.

Grains:

Markus Gloeckler, James R. Sites, and Wyatt K. Metzger, “Grain-boundary recombination in Cu(In,Ga)Se2 solar cells,” Journal of Applied Physics 98, no. 11 (December 1, 2005)


Photovoltaics lecture 7 cigs

Photovoltaics. Lecture 7. CIGS.

Grains:

C.-S. Jiang et al., “Local built-in potential on grain boundary of Cu(In,Ga)Se[sub 2] thin films,”

Applied Physics Letters 84, no. 18 (May 3, 2004)


Photovoltaics lecture 7 cigs

Photovoltaics. Lecture 7. CIGS.

Alternative fabrication and progress:


Photovoltaics lecture 7 cigs

Photovoltaics. Lecture 7. CIGS.

Thank you:

SRG group lieder,

Dr. Anatoliy Slobodskyy

--

Universität Karlsruhe

Lichttechnisches Institut (LTI)

Kaiserstraße 12

76131 Karlsruhe

Deutschland

Tel 0721 608 3981

Fax 0721 608 2590

E-mail: [email protected]

Zentrum für Sonnenenergie- und Wasserstoff-Forschung Baden-Württemberg

Industriestr. 6

70565 Stuttgart

Deutschland


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