INTERPRETATION OF QUANTUM YIELDS EXCEEDING UNITY IN PHOTOELECTROCHEMICAL SYSTEMS Academic Article

abstract

• In photoelectrochemical systems involving light shining on a semiconductor interfaced with an electrolyte, the quantum yield as a function of photon frequency is observed to exhibit a peak at h2Eg, where Eg is the band gap of the semiconductor. The maximum in this peak is sometimes found to exceed unity. We provide an interpretation involving surface states and inelastic electron-electron scattering. The theory indicates that the effect should be observable for p-type semiconductors, but not n-type.

authors

• Allen, Roland

published proceedings

• APPLIED PHYSICS LETTERS

author list (cited authors)

• SZKLARCZYK, M., & ALLEN, R. E.

citation count

• 4

complete list of authors

• SZKLARCZYK, M||ALLEN, RE

publication date

• October 1986

publisher

• AIP Publishing  Publisher

published in

• Applied Physics Letters  Journal

keywords

• 51 Physical Sciences

Digital Object Identifier (DOI)

• 10.1063/1.97461

start page

• 1028

end page

• 1030

volume

• 49

issue

• 16

URL

• http://dx.doi.org/10.1063/1.97461