Effect of annealing on conversion efficiency of nanostructured CdS/CuInSe2 heterojunction thin film solar cell prepared by chemical ion exchange route at room temperature

Joshi, Rajesh A.; Taur, Vidya S.; Sharma, Ramphal

doi:10.1016/j.materresbull.2012.06.001

Cited by 9 publications

(3 citation statements)

References 28 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Alkali atoms, however, are not the only impurities in CIGSe. The CIGSe thin films synthesized by coevaporation techniques in vacuum can be in contact with air after the alkali-metal post-deposition treatment when the CIGSe films are rinsed with water to remove the excess alkali metals and secondary phases from the surface. ,− Oxygen and hydrogen atoms are also found in the CIGSe lattice after air annealing of the cells, which improves the power conversion efficiency. ,, Furthermore, oxygen atoms can diffuse from the back contact or the buffer layer (e.g., Zn(O, OH) layer) into CIGSe . Water vapor can be deliberately introduced into the growth chamber during the growth of CIGSe films to increase the hole carrier density and conductivity .…”

Section: Introductionmentioning

confidence: 99%

“…20,23−26 Oxygen and hydrogen atoms are also found in the CIGSe lattice after air annealing of the cells, which improves the power conversion efficiency. 7,8,27 Furthermore, oxygen atoms can diffuse from the back contact or the buffer layer (e.g., Zn(O, OH) layer) into CIGSe. 28 Water vapor can be deliberately introduced into the growth chamber during the growth of CIGSe films to increase the hole carrier density and conductivity.…”

Section: ■ Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Theoretical Investigation of the Interaction of the CuInSe₂ Absorber Material with Oxygen, Hydrogen, and Water

et al. 2018

View full text Add to dashboard Cite

We performed ab initio calculations to study oxygen and hydrogen point defects in the CuInSe 2 (CISe) solar-cell material. We found that H interstitial defects (when one H atom is surrounded by four Se atoms) and H Cu (when a H atom is replacing a Cu atom) are the most stable defects. Whereas these H substitutional defects remain neutral, H interstitial defects act as donor defects and are detrimental to the cell performance. The incorporation of H 2 into the CISe lattice, on the other hand, is harmless to the p-type conductivity. Oxygen atoms tend to either substitute Se atoms in the CISe lattice or form interstitial defects, though the formation of substitutional defects is more favorable. All oxygen point defects have high formation energies, which results in a low concentration of these defects in CISe. However, the presence of oxygen in the system leads to the formation of secondary phases such as In 2 O 3 and InCuO 2 . In addition to the point defects, we studied the adsorption of H 2 O molecules on a defect-free surface and a surface with a (2V Cu + In Cu ) defect using the ab initio thermodynamics technique. Our results indicate that the dissociative water adsorption on the CISe surface is energetically unfavorable. Furthermore, in order to obtain a water-free surface, the surface with defects has to be calcined at a higher temperature compared to the defect-free surface.

show abstract

Section: Introductionmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

Theoretical Investigation of the Interaction of the CuInSe₂ Absorber Material with Oxygen, Hydrogen, and Water

et al. 2018

View full text Add to dashboard Cite

show abstract

“…Although this device performance is not as good as those high performance CIGS devices, but when compared to CIGS solar cells without selenization/sulfurization process, this efficiency is comparable or even better than those published in literature [11,97,98] The device performance could be further improved by increasing the grain size of the absorber materials. To achieve this, the solar cells will be fabricated using pre-synthesized large size particles incorporated into the absorber thin film and this will be discussed in subsequent chapters.…”

Section: Demonstration Of Cuins2 Solar Cellmentioning

confidence: 56%

Development of selenization/sulfurization-free CuIn(S,Se)2 for thin film solar cells applications

Wang¹

View full text Add to dashboard Cite

Tin have helped me in one v way or another throughout the way to complete this thesis. Their friendship and assistance have really meant a lot to me and I owe them my heartfelt appreciation. My greatest thanks to my family, my parents, who have always supported me in everyway since I was born and I am really grateful for all the sacrifices they have made on my behalf. Special thanks to my beloved husband Mr Wang Kaiwen, since we met each other at 17, his love and encouragement have allowed me to overcome hard times along this journey.

show abstract

Photovoltaics literature survey (No. 97)

Shrestha

2012

Progress in Photovoltaics

View full text Add to dashboard Cite

Effect of annealing on conversion efficiency of nanostructured CdS/CuInSe2 heterojunction thin film solar cell prepared by chemical ion exchange route at room temperature

Cited by 9 publications

References 28 publications

Theoretical Investigation of the Interaction of the CuInSe₂ Absorber Material with Oxygen, Hydrogen, and Water

Theoretical Investigation of the Interaction of the CuInSe₂ Absorber Material with Oxygen, Hydrogen, and Water

Development of selenization/sulfurization-free CuIn(S,Se)2 for thin film solar cells applications

Photovoltaics literature survey (No. 97)

Contact Info

Product

Resources

About

Effect of annealing on conversion efficiency of nanostructured CdS/CuInSe2 heterojunction thin film solar cell prepared by chemical ion exchange route at room temperature

Cited by 9 publications

References 28 publications

Theoretical Investigation of the Interaction of the CuInSe2 Absorber Material with Oxygen, Hydrogen, and Water

Theoretical Investigation of the Interaction of the CuInSe2 Absorber Material with Oxygen, Hydrogen, and Water

Development of selenization/sulfurization-free CuIn(S,Se)2 for thin film solar cells applications

Photovoltaics literature survey (No. 97)

Contact Info

Product

Resources

About

Theoretical Investigation of the Interaction of the CuInSe₂ Absorber Material with Oxygen, Hydrogen, and Water

Theoretical Investigation of the Interaction of the CuInSe₂ Absorber Material with Oxygen, Hydrogen, and Water