Hostname: page-component-cd9895bd7-7cvxr Total loading time: 0 Render date: 2024-12-29T12:30:38.340Z Has data issue: false hasContentIssue false

Next-Generation Transparent Conducting Oxides for Photovoltaic Cells: an Overview

Published online by Cambridge University Press:  21 March 2011

David Ginley
Affiliation:
National Renewable Energy Laboratory, Golden, CO; Renaud Stauber, University of Colorado, Boulder, CO; Dennis Readey, Chris Duncan, Colorado School of Mines, Golden, CO
Tim Coutts
Affiliation:
National Renewable Energy Laboratory, Golden, CO; Renaud Stauber, University of Colorado, Boulder, CO; Dennis Readey, Chris Duncan, Colorado School of Mines, Golden, CO
John Perkins
Affiliation:
National Renewable Energy Laboratory, Golden, CO; Renaud Stauber, University of Colorado, Boulder, CO; Dennis Readey, Chris Duncan, Colorado School of Mines, Golden, CO
David Young
Affiliation:
National Renewable Energy Laboratory, Golden, CO; Renaud Stauber, University of Colorado, Boulder, CO; Dennis Readey, Chris Duncan, Colorado School of Mines, Golden, CO
Xiaonan Li
Affiliation:
National Renewable Energy Laboratory, Golden, CO; Renaud Stauber, University of Colorado, Boulder, CO; Dennis Readey, Chris Duncan, Colorado School of Mines, Golden, CO
Phil Parilla
Affiliation:
National Renewable Energy Laboratory, Golden, CO; Renaud Stauber, University of Colorado, Boulder, CO; Dennis Readey, Chris Duncan, Colorado School of Mines, Golden, CO
Get access

Abstract

Transparent conducting oxides (TCOs) are becoming a more critical element in thin-film photovoltaic devices. In the continued drive to increase efficiency and stability while reducing cost and optimizing performance, the optical, electrical, and materials properties of TCOs gain increasing importance. TCOs can perform a variety of important functions, including contacts, antireflection coatings, and chemical barriers. In this paper, we will review some of the current advances in the field of transparent conductors and, where possible, will relate these advances to thin-film photovoltaic devices. Highlights will be on the rapidly growing collection of new n- and p-type materials; the implications of these materials on PV have not been fully assessed.

Type
Research Article
Copyright
Copyright © Materials Research Society 2001

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1. Gordon, R.G., Criteria For Choosing Transparent Conductors. MRS Bull., 2000. 25: p. 52.Google Scholar
2. Wu, X., et al., CdS/CdTe thin-film solar cell with a zinc stannate buffer layer. AIP Conf. Proc., 1999. 462(CPV Photovoltaics Program Review): p. 3741.Google Scholar
3. Gordon, R.G., Preparation and properties of transparent conductors. Mater. Res. Soc. Symp. Proc., 1996. 426(Thin Films for Photovoltaic and Related Device Applications): p. 419429.Google Scholar
4. Coutts, T.J., Young, D.L., and Li, X., Characterization of transparent conducting oxides. MRS Bull., 2000. 25(8): p. 5865.Google Scholar
5. Ginley, D.S. and Bright, C., Transparent Conducting Oxides. MRS Bull., 2000. 25(8): p. 15.Google Scholar
6. Yan, M., et al., Highly Conductive Expitaxial CdO thin films prepared by pulsed laser deposition. Appl. Phys. Lett., 2001. 78(16): p. 2342.Google Scholar
7. Coutts, T.J., et al., Transparent conducting oxides: status and opportunities in basic research. Proc.-Electrochem. Soc., 1999. 99–11(Photovoltaics for the 21st Century): p. 274288.Google Scholar
8. Coutts, T.J., Young, D.L., and Li, X., Fundamental advances in transparent conducting oxides. Mater. Res. Soc. Symp. Proc., 2000. 623(Materials Science of Novel Oxide-Based Electronics): p. 199209.Google Scholar
9. Minami, T., New materials for transparent and conductive films. Multicomponent oxides. Nyu Seramikkusu, 1996. 9(4): p. 30–4.Google Scholar
10. Minami, T., New n-Type Transparent Conducting Oxides. MRS Bull., 2000. 25(8): p. 39.Google Scholar
11. Minami, T., Takata, S., and Kakumu, T., New multicomponent transparent conducting oxide films for transparent electrodes of flat panel displays. J. Vac. Sci. Technol., A, 1996. 14(3, Pt. 2): p. 16891693.Google Scholar
12. Freeman, A.J., et al., Chemical and Thin Film Strategies for New Transparent Conducting Oxides. MRS Bull., 2000. 25(8): p. 45.Google Scholar
13. Wu, X., et al., Application of Cd2SnO4 transparent conducting oxides in CdS/CdTe thin-film devices. Conf. Rec. IEEE Photovoltaic Spec. Conf., 1997. 26th: p. 347350.Google Scholar
14. Wu, X., et al., IEEE PVSC, 2000: p. in press.Google Scholar
15. Kawazoe, H., Chemical design of transparent p-type conducting oxides. Kotai Butsuri, 1998. 33(11): p. 937943.Google Scholar
16. Kawazoe, H., P-type oxide transparent conductive films. Tomei Dodenmaku no Shintenkai, 1999: p. 4757.Google Scholar
17. Kawazoe, H., et al., Transparent electric conductor oxide thin film based on copper and strontium, in Jpn. Kokai Tokkyo Koho. 2000, (TDK Electronics Co., Ltd., Japan).: Jp. p. 6 pp.Google Scholar
18. Yanagi, H., et al., Chemical design and thin film preparation of p-type conductive transparent oxides. J. Electroceram., 2000. 4(2/3): p. 407414.Google Scholar
19. Yanagi, H., et al., Transparent P-and N-type conductive oxides with delafossite structure. Mater. Res. Soc. Symp. Proc., 2000. 623(Materials Science of Novel Oxide-Based Electronics): p. 235243.Google Scholar
20. Kawazoe, H., et al., Transparent p-type conducting oxides: design and fabrication of p-n Heterojunctions. MRS Bull., 2000. 25(8): p. 28.Google Scholar
21. Ohta, H., et al., Room temperature operation of UV-LED composed of TCO hetero p-n junction, p-SrCu2O2 / n-ZnO. Mater. Res. Soc. Symp. Proc., 2000. 623(Materials Science of Novel Oxide-Based Electronics): p. 283288.Google Scholar
22. Ohta, H., et al., Development of near-UV-emitting diode using transparent oxide semiconductors. Seramikkusu, 2001. 36(4): p. 285288.Google Scholar
23. Yanagi, H., et al., Bipolarity in electrical conduction of transparent oxide semiconductor CuInO2 with delafossite structure. Appl. Phys. Lett., 2001. 78(11): p. 15831585.Google Scholar
24. Ota, H., et al., Zinc oxide thin film having high single crystal property and its deposition, in Jpn. Kokai Tokkyo Koho. 2000, (Hoya Corp., Japan).: Jp. p. 10 pp.Google Scholar
25. Tadata, H. and Kawai, T., Realization of p-type zinc oxide. Kotai Butsuri, 2000. 35(8): p. 570577.Google Scholar
26. Guo, X.-L., et al., Fabrication and optoelectronic properties of a transparent ZnO homostructural light-emitting diode. Jpn. J. Appl. Phys., Part 2, 2001. 40(3A): p. L177–L180.Google Scholar
27. Guo, X.L., Tabata, H., and Kawai, T., Pulsed laser reactive deposition of p-type ZnO film enhanced by an electron cyclotron resonance source. J. Cryst. Growth, 2001. 223(1-2): p. 135139.Google Scholar
28. Yamamoto, T. and Katayama-Yoshida, H., Solution using a Co-doping method to unipolarity for the fabrication of p-type ZnO. Jpn. J. Appl. Phys., Part 2, 1999. 38(2B): p. L166–L169.Google Scholar
29. Yamamoto, T. and Katayama-Yoshida, H., Theory of codoping of acceptors and reactive donors in GaN. EMIS Datarev. Ser., 1999. 23(Properties, Processing and Applications of Gallium Nitride and Related Semiconductors): p. 306312.Google Scholar
30. Yamamoto, T. and Katayama-Yoshida, H., Unipolarity of ZnO with a wide-band gap and its solution using codoping method. J. Cryst. Growth, 2000. 214/215: p. 552555.Google Scholar
31. Zhang, S.B., Wei, S.H., and Zunger, A., Intrinsic n-type versus p-type doping asymmetry and the defect physics of ZnO. Phys. Rev. B: Condens. Matter Mater. Phys., 2001. 63(7): p. 075205/1-075205/7.Google Scholar
32. Mryasov, O.N. and Freeman, A.J., Phys. Rev. B: Condens. Matter Mater. Phys., 2001. submitted for publication.Google Scholar
33. Yan, Y., zhang, S., and Pantelides, S.T., PRL, 2001. submitted.Google Scholar
34. Young, D.L., Coutts, T.J., and Kaydanov, V.I., Density-of-states effective mass and scattering parameter measurements by transport phenomena in thin films. Rev. Sci. Instrum., 2000. 71(2, Pt. 1): p. 462466.Google Scholar