Original Research

Reactor optimisation for the production of homogeneous large area amorphous silicon solar cells on flexible substrates

J. D. Saunderson
Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie | Vol 17, No 2 | a690 | DOI: https://doi.org/10.4102/satnt.v17i2.690 | © 1998 J. D. Saunderson | This work is licensed under CC Attribution 4.0
Submitted: 11 July 1998 | Published: 12 July 1998

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J. D. Saunderson,, South Africa

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Results are presented on the optimisation of the configuration of a large area pilot plant for the production of thin films of hydrogen­ated amorphous silicon (a-Si:H). The basic design of the reactor is discussed, and the correlation between the configuration inside the reactor and the resulting homogeneity of the material is demonstrated. It is indicated that the homogeneity is mainly determined by the shape of the antenna, the distance between the antenna and the substrate, the direction and position of the gas inlet and the dilution of the reactive gasses with hydrogen. A homogeneity factor of 2,5% was obtained across a substrate area of 320 mm x 300 mm.


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