The chemisorption of O 2 on nanoscale n-doped CdS semiconductors is computed in terms of a Wolkenstein isotherm coupled to the Schrödinger Poisson equation. Present numerical results show the dependence of the chemisorbed charge and the differential capacitance on oxygen partial pressure. A comparison against the classical Poisson-Boltzmann approach shows a higher chemisorbed charge in the quantum model, but a greater differential capacitance in the classical case.
|Applied Physics Letters
|Published - Apr 30 2012
Bibliographical noteFunding Information:
F.C. thanks HKUST for providing start-up funds. S.L. and F.C. thank the Marie Curie Reintegration Grant FastCell-256583. M.I.G. thanks funding from the University of Kentucky.
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)