Influence of Na on the electro-optical properties of Cu(In,Ga)Se/sub 2/

Keyes, B. M.; Hasoon, Falah S.; Dippo, P.; Balcioglu, A.; Abulfotuh, F.

doi:10.1109/pvsc.1997.654132

Cited by 22 publications

(21 citation statements)

References 3 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…[111][112][113] An increase in carrier concentration of typically one order of magnitude is often associated with a lower number of compensating donors. 104,114,115 Various models have been proposed to explain the effects of Na on the electronic and structural properties of layers and influence on solar cells. 97,110,[116][117][118] CdTe layers CdTe thin films have been succesfully grown by a variety of vacuum and non-vacuum deposition methods.…”

Section: Sodium Incorporation In Cigsmentioning

confidence: 99%

Development of thin‐film Cu(In,Ga)Se₂ and CdTe solar cells

Romeo¹,

Terheggen²,

Abou‐Ras³

et al. 2004

Progress in Photovoltaics

354

192

View full text Add to dashboard Cite

Cu(In,Ga)Se2 and CdTe heterojunction solar cells grown on rigid (glass) or flexible foil substrates require p‐type absorber layers of optimum optoelectronic properties and n‐type wide‐bandgap partner layers to form the p–n junction. Transparent conducting oxide and specific metal layers are used for front and back electrical contacts. Efficiencies of solar cells depend on various deposition methods as they control the optoelectronic properties of the layers and interfaces. Certain treatments, such as addition of Na in Cu(In,Ga)Se2 and CdCl2 treatment of CdTe have a direct influence on the electronic properties of the absorber layers and efficiency of solar cells. Processes for the development of superstrate and substrate solar cells are reviewed. Copyright © 2004 John Wiley & Sons, Ltd.

show abstract

Section: Sodium Incorporation In Cigsmentioning

confidence: 99%

Development of thin‐film Cu(In,Ga)Se₂ and CdTe solar cells

Romeo¹,

Terheggen²,

Abou‐Ras³

et al. 2004

Progress in Photovoltaics

354

192

View full text Add to dashboard Cite

show abstract

“…The most obvious effects of Na incorporation are better film morphology and higher conductivity of the films (Ruckh et al, 1994a). Furthermore, the incorporation of Na induces beneficial changes in the defect distribution of the absorber films (Keyes et al, 1997;Rau et al, 1998b).…”

Section: Influence Of Sodiummentioning

confidence: 99%

Cu(In,Ga)Se₂ SOLAR CELLS

Rau

Schock

2001

Series on Photoconversion of Solar Energy

View full text Add to dashboard Cite

“…An increase in p-type conductivity [140] due both to the elimination of deep hole traps [141], and an increase in net hole concentration resulting predominately from reduced compensation [142].…”

Section: Alkali Impurities In Cis and Related Materialsmentioning

confidence: 99%

Processing of CuInSe2-Based Solar Cells: Characterization of Deposition Processes in Terms of Chemical Reaction Analyses. Final Report, 6 May 1995 - 31 December 1998

Anderson¹,

Stanbery²

2001

View full text Add to dashboard Cite

This project was initiated after the Boeing Company decided to terminate its photovoltaic research and development efforts, and donated some research equipment to UF. Billy Stanbery, who was part of the Boeing team, decided then to enroll at UF to pursue a Ph.D degree. As such these events constituted a rare direct technology transfer from industry to a university. This helped to preserve more than the published legacy of the solar cell efforts at Boeing, and jump-started a comprehensive, multifaceted, and multidisciplinary copper indium diselenide solar cell research effort at UF. 5-15 Micro-Raman scattering spectra of islands on two indium-rich CIS films grown on GaAs (100). The uppermost curve is from an island "pool" on a sodium-dosed film and the lower two are single and averaged spectra from isolated islands on the sample without sodium shown in Figure 5- field. It focused primarily on the physical and opto-electronic properties of the general class of I-III-VI2 and II-IV-V2 compound semiconductors. More recent reviews specifically oriented towards CIS materials and electronic properties [2][3][4][5][6] are also recommended reading for those seeking to familiarize themselves with key research results in this field.There are also a number of excellent books and reviews on photovoltaic device physics [7,8], on the general subject of solar cells and their applications [9,10], and others specifically oriented towards thin-film solar cells [11,12] Researchers have not always been careful to reserve the use of the compound designation CuInSe2 for single-phase material of the designated stoichiometry, an imprecision that is understandable in view of the difficulty in discriminating CuInSe2 from some other compounds in this material system, as will be discussed in detail elsewhere in this treatise. The compound designations such as CuInSe2 will be reserved herein for reference to single-phase material of finite solid solution extent, and multiphasic or materials of indeterminate structure composed of copper, indium, and selenium will be referred to by the customary acronym, in this case CIS. 3 This review begins with an overview of the physical properties of the principal copper ternary chalcogenides utilized for PV devices, including their thermochemistry, crystallography, and opto-electronic properties. All state-ofthe-art devices rely on alloys of these ternary compounds and employ alkali impurities, so the physical properties and effects of these additives will be presented, with an emphasis on their relevance to electronic carrier transport properties. This foundation will provide a basis from which to address the additional complexities and variability resulting from the plethora of materials processing methods and device structures which have been successfully employed to fabricate high efficiency PV devices utilizing absorbers belonging to this class of materials. Phase Chemistry of Cu-III-VI Material SystemsSignificant technological applications exist for Ag-III-VI2 compounds as non-linear optical mat...

show abstract

Influence of Na on the electro-optical properties of Cu(In,Ga)Se/sub 2/

Cited by 22 publications

References 3 publications

Development of thin‐film Cu(In,Ga)Se₂ and CdTe solar cells

Development of thin‐film Cu(In,Ga)Se₂ and CdTe solar cells

Cu(In,Ga)Se₂ SOLAR CELLS

Processing of CuInSe2-Based Solar Cells: Characterization of Deposition Processes in Terms of Chemical Reaction Analyses. Final Report, 6 May 1995 - 31 December 1998

Contact Info

Product

Resources

About

Influence of Na on the electro-optical properties of Cu(In,Ga)Se/sub 2/

Cited by 22 publications

References 3 publications

Development of thin‐film Cu(In,Ga)Se2 and CdTe solar cells

Development of thin‐film Cu(In,Ga)Se2 and CdTe solar cells

Cu(In,Ga)Se2 SOLAR CELLS

Processing of CuInSe2-Based Solar Cells: Characterization of Deposition Processes in Terms of Chemical Reaction Analyses. Final Report, 6 May 1995 - 31 December 1998

Contact Info

Product

Resources

About

Development of thin‐film Cu(In,Ga)Se₂ and CdTe solar cells

Development of thin‐film Cu(In,Ga)Se₂ and CdTe solar cells

Cu(In,Ga)Se₂ SOLAR CELLS