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CIGS Solar cell

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Colloidal CIGS and CZTS nanocrystals: A precursor route to printed photovoltaics Vahid A. Akhavan, Brian W. Goodfellow, Matthew G. Panthani, Chet Steinhagen, Taylor B. Harvey, C. Jackson Stolle, Brian A. Korgel Journal of Solid State Chemistry 189 (2012) 2–12 Sameh Hamzawy MESC9
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Page 1: CIGS Solar cell

Colloidal CIGS and CZTS nanocrystals:A precursor route to printed photovoltaics

Vahid A. Akhavan, Brian W. Goodfellow, Matthew G. Panthani, Chet Steinhagen, Taylor B. Harvey, C. Jackson Stolle, Brian A. Korgel

Journal of Solid State Chemistry 189 (2012) 2–12

Sameh HamzawyMESC9

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Outline

Introduction Spray Deposition Technique Nanocrystalline Ink Synthesis Conclusion

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Introduction The synthesis and implementation of

nanocrystalline particles.

Focus on Cu( or (CIGS) nanocrystals, as the active light absorbing material in PVs devices.

Spray Deposition(SD) Technique.

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Spray deposition by using an Airbrush.

Spray deposition by using Robotic Sprayer .

Spray Deposition Technique

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• Precise control over film thickness

• Using of flexible, inexpensive and light-weight

plastic substrates.

• Can be readily applied to larger substrates.

• Very effective and efficient nanocrystal

deposition approach.

Why Spray Deposition Technique ?

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• The synthesis reaction equation of CIGS :

• ƞ ≈ 3.1 % on glass substrates (2012)

• ƞ ≈ 2 % on plastic substrates

• ƞ > 12 % has been achieved by converting Cu(In,Ga)Se2 NC to Cu(In,Ga)(S,Se)2 via selenization at 500 C.

Nanocrystal Ink Synthesis

Guo Q, Ford GM, Agrawal R, Hillhouse HW, Prog Photovolt Res Appl 2012

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Relatively low efficient PVs for commercialization.

High temperature selenization lead to higher

efficiency.

Thin films deposition of inorganic materials

under ambient conditions.

Plastic PVs can be fabricated.

Conclusion

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Thank you for your attention

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