Self-assembled heterojunction between electrodeposited PbS nanoparticles and indium tin oxide substrate

Nanda, K. K.; Sahu, S. N.
October 2001
Applied Physics Letters;10/22/2001, Vol. 79 Issue 17, p2743
Academic Journal
Self-assembled heterojunction was fabricated by means of an electrochemical deposition of PbS nanoparticles on indium tin oxide substrate. The current–voltage and capacitance–voltage studies confirmed the formation of a heterojunction. A large current and large capacitance were observed in the case of a device from particle of smaller size which is believed to be due to the large surface area contact. The rectifying behavior of the heterojunction was found to be weak as compared to the usual p–n junction. © 2001 American Institute of Physics.


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