Details
| Original language | English |
|---|---|
| Article number | 104510 |
| Journal | Journal of applied physics |
| Volume | 106 |
| Issue number | 10 |
| Early online date | 23 Nov 2009 |
| Publication status | Published - 2009 |
| Externally published | Yes |
Abstract
We study the emission of light from industrial multicrystalline silicon solar cells under forward and reverse biases. Camera-based luminescence imaging techniques and dark lock-in thermography are used to gain information about the spatial distribution and the energy dissipation at pre-breakdown sites frequently found in multicrystalline silicon solar cells. The pre-breakdown occurs at specific sites and is associated with an increase in temperature and the emission of visible light under reverse bias. Moreover, additional light emission is found in some regions in the subband-gap range between 1400 and 1700 nm under forward bias. Investigations of multicrystalline silicon solar cells with different interstitial oxygen concentrations and with an electron microscopic analysis suggest that the local light emission in these areas is directly related to clusters of oxygen.
ASJC Scopus subject areas
- Physics and Astronomy(all)
- General Physics and Astronomy
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In: Journal of applied physics, Vol. 106, No. 10, 104510, 2009.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Luminescence emission from forward- and reverse-biased multicrystalline silicon solar cells
AU - Bothe, K.
AU - Ramspeck, K.
AU - Hinken, D.
AU - Schinke, C.
AU - Schmidt, J.
AU - Herlufsen, S.
AU - Brendel, R.
AU - Bauer, J.
AU - Wagner, J. M.
AU - Zakharov, N.
AU - Breitenstein, O.
PY - 2009
Y1 - 2009
N2 - We study the emission of light from industrial multicrystalline silicon solar cells under forward and reverse biases. Camera-based luminescence imaging techniques and dark lock-in thermography are used to gain information about the spatial distribution and the energy dissipation at pre-breakdown sites frequently found in multicrystalline silicon solar cells. The pre-breakdown occurs at specific sites and is associated with an increase in temperature and the emission of visible light under reverse bias. Moreover, additional light emission is found in some regions in the subband-gap range between 1400 and 1700 nm under forward bias. Investigations of multicrystalline silicon solar cells with different interstitial oxygen concentrations and with an electron microscopic analysis suggest that the local light emission in these areas is directly related to clusters of oxygen.
AB - We study the emission of light from industrial multicrystalline silicon solar cells under forward and reverse biases. Camera-based luminescence imaging techniques and dark lock-in thermography are used to gain information about the spatial distribution and the energy dissipation at pre-breakdown sites frequently found in multicrystalline silicon solar cells. The pre-breakdown occurs at specific sites and is associated with an increase in temperature and the emission of visible light under reverse bias. Moreover, additional light emission is found in some regions in the subband-gap range between 1400 and 1700 nm under forward bias. Investigations of multicrystalline silicon solar cells with different interstitial oxygen concentrations and with an electron microscopic analysis suggest that the local light emission in these areas is directly related to clusters of oxygen.
UR - http://www.scopus.com/inward/record.url?scp=71849118823&partnerID=8YFLogxK
U2 - 10.1063/1.3256199
DO - 10.1063/1.3256199
M3 - Article
AN - SCOPUS:71849118823
VL - 106
JO - Journal of applied physics
JF - Journal of applied physics
SN - 0021-8979
IS - 10
M1 - 104510
ER -