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The Carnot factor in solar cell theory

The Carnot factor in solar cell theory
The Carnot factor in solar cell theory
In a two-level system the open circuit voltage or difference between the electro-chemical potentials at the contacts, is related to the energy gap Eg by a Carnot factor; 
V = (1-Ts/Tp) Eg.   
Here, Ts and Tp are the absolute temperatures of the ambient (surroundings) and of the incident black-body radiation ("pump"), respectively. A simple two-step statistical thermodynamic argument is given here which makes this result plausible. Its standing in a more general context is also discussed.
657-659
Landsberg, P.T.
430ba980-a590-4d7c-8c03-9ecf192c21d3
Markvart, T.
f21e82ec-4e3b-4485-9f27-ffc0102fdf1c
Landsberg, P.T.
430ba980-a590-4d7c-8c03-9ecf192c21d3
Markvart, T.
f21e82ec-4e3b-4485-9f27-ffc0102fdf1c

Landsberg, P.T. and Markvart, T. (1998) The Carnot factor in solar cell theory. Solid-State Electronics, 42 (4), 657-659. (doi:10.1016/S0038-1101(97)00253-0).

Record type: Article

Abstract

In a two-level system the open circuit voltage or difference between the electro-chemical potentials at the contacts, is related to the energy gap Eg by a Carnot factor; 
V = (1-Ts/Tp) Eg.   
Here, Ts and Tp are the absolute temperatures of the ambient (surroundings) and of the incident black-body radiation ("pump"), respectively. A simple two-step statistical thermodynamic argument is given here which makes this result plausible. Its standing in a more general context is also discussed.

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Published date: 6 April 1998

Identifiers

Local EPrints ID: 29481
URI: http://eprints.soton.ac.uk/id/eprint/29481
PURE UUID: 7051f925-5675-4a4a-8221-794ec7de3ca6

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Date deposited: 12 Mar 2007
Last modified: 09 Jan 2022 08:43

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Contributors

Author: P.T. Landsberg
Author: T. Markvart

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