Effect of Valence Band Offset and Surface Passivation Quality in the Silicon Heterojunction Solar Cells

2011 ◽  
Vol 158 (11) ◽  
pp. H1129 ◽  
Author(s):  
Vinh Ai Dao ◽  
Youngseok Lee ◽  
Sangho Kim ◽  
Jaehyun Cho ◽  
Shihyun Ahn ◽  
...  
Keyword(s):  
Solar Cells ◽  
Valence Band ◽  
Surface Passivation ◽  
Band Offset ◽  
Valence Band Offset ◽  
Heterojunction Solar Cells ◽  
Silicon Heterojunction Solar Cells

Photoelectron Spectroscopy Measurements of Valence Band Discontinuities for a-Si:H/c-Si Heterojunction Solar Cells

2009 ◽  
Vol 1153 ◽  
Author(s):  
Tetsuya Kaneko ◽  
Michio Kondo
Keyword(s):  
Solar Cells ◽  
Valence Band ◽  
Photoelectron Spectroscopy ◽  
Uv Light ◽  
Thin Layers ◽  
Level Shift ◽  
Band Offset ◽  
Light Illumination ◽  
Valence Band Offset ◽  
Heterojunction Solar Cells

AbstractThe valence band discontinuity (offset) between a-Si:H-based intrinsic thin layers and c-Si substrates was estimated using ultraviolet photoelectron spectroscopy (UPS) in combination with x-ray photoelectron spectroscopy (XPS). A core level shift measured by XPS was utilized to correct the shifts of UPS spectra after UV light illumination. Thin films of a-Si:H, a-SiO:H and a-SiC:H were prepared by plasma-enhanced chemical vapor deposition (PECVD) using SiH4, CO2 and CH4 gases. The valence band offset of 0.11 eV was obtained from the a-Si:H/c-Si heterojunction, whereas 0.27 eV was obtained from the a-SiO:H/c-Si heterojunction. Moreover, the valence band offset between the c-Si and the a-SiC:H deposited with [CH4]=10 SCCM and [CH4]=20 SCCM were determined to be 0.25 eV and 0.36 eV, respectively. The c-Si-based heterojunction solar cells with estimated i layer in this study were fabricated, reduction of FF with increasing the valence band offset was observed. It is likely that increasing of the valence band offset contributes to the reduction of FF.

Improving the performance of amorphous and crystalline silicon heterojunction solar cells by monitoring surface passivation

2012 ◽  
Vol 358 (17) ◽  
pp. 2245-2248 ◽  
Author(s):  
J.W.A. Schüttauf ◽  
C.H.M. van der Werf ◽  
I.M. Kielen ◽  
W.G.J.H.M. van Sark ◽  
J.K. Rath ◽  
...  
Keyword(s):  
Solar Cells ◽  
Surface Passivation ◽  
Crystalline Silicon ◽  
Heterojunction Solar Cells ◽  
Silicon Heterojunction Solar Cells

scholarly journals Surface passivation of c-Si for silicon heterojunction solar cells using high-pressure hydrogen diluted plasmas

AIP Advances ◽  
2015 ◽  
Vol 5 (9) ◽  
pp. 097165 ◽  
Author(s):  
Dimitrios Deligiannis ◽  
Ravi Vasudevan ◽  
Arno H. M. Smets ◽  
René A. C. M. M. van Swaaij ◽  
Miro Zeman
Keyword(s):  
High Pressure ◽  
Solar Cells ◽  
Surface Passivation ◽  
Heterojunction Solar Cells ◽  
Pressure Hydrogen ◽  
Silicon Heterojunction Solar Cells

scholarly journals Wet-chemical Treatment for Improved Surface Passivation of Textured Silicon Heterojunction Solar Cells

2014 ◽  
Vol 55 ◽  
pp. 197-202 ◽  
Author(s):  
Dimitrios Deligiannis ◽  
Spyridon Alivizatos ◽  
Andrea Ingenito ◽  
Dong Zhang ◽  
Martijn van Sebille ◽  
...  
Keyword(s):  
Solar Cells ◽  
Chemical Treatment ◽  
Surface Passivation ◽  
Heterojunction Solar Cells ◽  
Wet Chemical ◽  
Silicon Heterojunction Solar Cells
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