A study on the contact technology of nanomaterial and characterization of the ohmic contact layer in Cds-Al junction

Incorporating the understanding of contact technology, its related problems and the possible solutions is utmost necessary in this era in order to achieve results which will ultimately show better device performance. The contact layer electrically couples metal layer with semiconductor layer and forms a semiconducting contact having low specific contact resistance. The fact that ohmic contact plays a major role in the performances of the devices cannot be overlooked; and owing to good ohmic contacts the efficiency and cost-effectiveness of devices gets improved. There are a lot of possible uses of the ohmic contacts in a variety of devices; one such is in the solar cells. Like ohmic contact, another thing that needs attention is the deposition method. A large number of experiments are being conducted on the blessed substance, Cadmium Sulphide, owing to the numerous advantages those are accompanied with the substance. Such an attempt was taken and the rigorous experiment was successfully conducted. The observation data were taken and the calculation was done. The values of bulk resistivity, number of charge carriers, contact resistivity, transfer length, sheet resistivity, contact resistance, electron affinity, and barrier height were found out. Upon completion, the desirable result was obtained and graph was plotted and all the processes were described.