TY - JOUR
T1 - Challenges in amorphous silicon solar cell technology
AU - Swaaij, van, R.A.C.M.M.
AU - Zeman, M.
AU - Korevaar, B.A.
AU - Smit, C.
AU - Metselaar, J.W.
AU - Sanden, van de, M.C.M.
PY - 2000
Y1 - 2000
N2 - Hydrogenated amorphous silicon is nowadays extensively used for a range of devices, amongst others solar cells, Solar cell technology has matured over the last two decades and resulted in conversion efficiencies in excess of 15%. In this paper the operation of amorphous silicon solar cells is briefly described. For tandem solar cell, amorphous silicon germanium is often used as material for the intrinsic layer of the bottom cell. This improves the red response of the cell. In order to optimize the performance of amorphous silicon germanium solar cells, profiling of the germanium concentration near the interfaces is applied. We show in this paper that the performance is strongly dependent on the width of the grading near the interfaces.
The best performance is achieved when using a grading width that is as small as possible
near the p-i interface and as wide as possible near the i-n interface. High-rate deposition of
amorphous silicon is nowadays one of the main issues. Using the Expanding Thermal Plasma deposition method very high deposition rates can be achieved. This method has been applied for the fabrication of an amorphous silicon solar cell with a conversion efficiency of 5.8%.
AB - Hydrogenated amorphous silicon is nowadays extensively used for a range of devices, amongst others solar cells, Solar cell technology has matured over the last two decades and resulted in conversion efficiencies in excess of 15%. In this paper the operation of amorphous silicon solar cells is briefly described. For tandem solar cell, amorphous silicon germanium is often used as material for the intrinsic layer of the bottom cell. This improves the red response of the cell. In order to optimize the performance of amorphous silicon germanium solar cells, profiling of the germanium concentration near the interfaces is applied. We show in this paper that the performance is strongly dependent on the width of the grading near the interfaces.
The best performance is achieved when using a grading width that is as small as possible
near the p-i interface and as wide as possible near the i-n interface. High-rate deposition of
amorphous silicon is nowadays one of the main issues. Using the Expanding Thermal Plasma deposition method very high deposition rates can be achieved. This method has been applied for the fabrication of an amorphous silicon solar cell with a conversion efficiency of 5.8%.
M3 - Article
VL - 50
SP - 559
EP - 570
JO - Acta Physica Slovaca
JF - Acta Physica Slovaca
SN - 0323-0465
IS - 4
ER -