Temperature-dependent open-circuit voltage measurements and light-soaking in hydrogenated amorphous silicon solar cells

Jianjun Liang, Eric Allan Schiff, S. Guha, B. Yan, J. Yang

Research output: Chapter in Book/Report/Conference proceedingConference contribution

3 Citations (Scopus)

Abstract

We present temperature-dependent measurements of the open-circuit voltage V OC(T) in hydrogenated amorphous silicon nip solar cells prepared at United Solar. At room-temperature and above, V OC measured using near-solar illumination intensity differs by as much as 0.04 V for the as-deposited and light-soaked states; the values of V OC for the two states converge below 250 K. Models for V OC based entirely on recombination through deep levels (dangling bonds) do not account for the convergence effect. The convergence is present in a model that assumes the recombination traffic in the as-deposited state involves only bandtails, but which splits the recombination traffic fairly evenly between bandtails and defects for the light-soaked state at room-temperature. Recombination mechanisms are important in understanding light-soaking, and the present results are inconsistent with at least one well-known model for defect generation.

Original languageEnglish (US)
Title of host publicationMaterials Research Society Symposium Proceedings
EditorsR. Collins, P.C. Taylor, M. Kondo, R. Carius, R. Biswas
Pages591-596
Number of pages6
Volume862
StatePublished - 2005
Event2005 Materials Research Society Spring Meeting - San Francisco, CA, United States
Duration: Mar 28 2005Apr 1 2005

Other

Other2005 Materials Research Society Spring Meeting
CountryUnited States
CitySan Francisco, CA
Period3/28/054/1/05

Fingerprint

Silicon solar cells
Voltage measurement
Open circuit voltage
Amorphous silicon
Defects
Dangling bonds
Temperature
Lighting

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials

Cite this

Liang, J., Schiff, E. A., Guha, S., Yan, B., & Yang, J. (2005). Temperature-dependent open-circuit voltage measurements and light-soaking in hydrogenated amorphous silicon solar cells. In R. Collins, P. C. Taylor, M. Kondo, R. Carius, & R. Biswas (Eds.), Materials Research Society Symposium Proceedings (Vol. 862, pp. 591-596). [A21.8]

Temperature-dependent open-circuit voltage measurements and light-soaking in hydrogenated amorphous silicon solar cells. / Liang, Jianjun; Schiff, Eric Allan; Guha, S.; Yan, B.; Yang, J.

Materials Research Society Symposium Proceedings. ed. / R. Collins; P.C. Taylor; M. Kondo; R. Carius; R. Biswas. Vol. 862 2005. p. 591-596 A21.8.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Liang, J, Schiff, EA, Guha, S, Yan, B & Yang, J 2005, Temperature-dependent open-circuit voltage measurements and light-soaking in hydrogenated amorphous silicon solar cells. in R Collins, PC Taylor, M Kondo, R Carius & R Biswas (eds), Materials Research Society Symposium Proceedings. vol. 862, A21.8, pp. 591-596, 2005 Materials Research Society Spring Meeting, San Francisco, CA, United States, 3/28/05.
Liang J, Schiff EA, Guha S, Yan B, Yang J. Temperature-dependent open-circuit voltage measurements and light-soaking in hydrogenated amorphous silicon solar cells. In Collins R, Taylor PC, Kondo M, Carius R, Biswas R, editors, Materials Research Society Symposium Proceedings. Vol. 862. 2005. p. 591-596. A21.8
Liang, Jianjun ; Schiff, Eric Allan ; Guha, S. ; Yan, B. ; Yang, J. / Temperature-dependent open-circuit voltage measurements and light-soaking in hydrogenated amorphous silicon solar cells. Materials Research Society Symposium Proceedings. editor / R. Collins ; P.C. Taylor ; M. Kondo ; R. Carius ; R. Biswas. Vol. 862 2005. pp. 591-596
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