Abstract
We report on our investigation of the microstructure and chemical composition at the CdTe/Te-rich interfaces generated by NP-etching polycrystalline and single-crystalline CdTe films and followed with HgTe-graphite pasting and thermal annealing. We find that after this process, a thin layer of CdxHg1-xTe forms between CdTe and Te-rich layers, giving a structure like CdTe/CdxHg1-xTe/Te. High-resolution electron microscopy reveals that the CdxHg1-xTe layer has an epitaxial relationship with the CdTe. No CdxHg1-xTe layer has been observed in bromine/methanol-etched samples or samples with intentionally deposited Te layers.
Similar content being viewed by others
References
H. Ohyama, et al., Proc. 26th IEEE Photovoltaic Specialists Conference (IEEE, New York, 1997), p. 343.
X. Wu, et al. Proc. 2001 NCPV Review Meeting, p. 47.
R.H. Williams, N. Forsyth, I.M. Dharmadasa, and Z. Sobiesierski, Appl. Surf. Sci. 41/41. 189 (1989).
D. Rioux, D.W. Niles, and H. Hochst, J. Appl. Phys. 73, 8381 (1991).
H.S. White, A.J. Ricco, and M.S. Wrighton, J. Phys. Chem. 87 (1983) 5140.
A.J. Ricco, H.S. White, and M.S. Wrighton, J. Vac. Sci. Technol. A2 (1984) 910.
D. Niles, X. Li, and P. Sheldon, J. Appl. Phys. 77 (1995) 4489.
D. Albin, D. Levi, S. Asher, A. Balcioglu, R. Dhere, and J. Hiltner, Proc. of the 28th IEEE Photovoltaic Specialist Conference (IEEE, New York, 2000).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Yan, Y., Jones, K.M., Wu, X. et al. Formation of CdxHg1-xTe Layers on CdTe after NP-Etching and HgTe-Graphite Pasting. MRS Online Proceedings Library 763, 32 (2002). https://doi.org/10.1557/PROC-763-B3.2
Published:
DOI: https://doi.org/10.1557/PROC-763-B3.2