Low Reverse Saturation Current Density of Amorphous Silicon Solar Cell Due to Reduced Thickness of Active Layer
기관명 | NDSL |
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저널명 | Journal of electrical engineering technology |
ISSN | 1975-0102, |
ISBN |
저자(한글) | Iftiquar, S M,Yi, Junsin |
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저자(영문) | |
소속기관 | |
소속기관(영문) | |
출판인 | |
간행물 번호 | |
발행연도 | 2016-01-01 |
초록 | One of the most important characteristic curves of a solar cell is its current density-voltage (J-V) curve under AM1.5G insolation. Solar cell can be considered as a semiconductor diode, so a diode equivalent model was used to estimate its parameters from the J-V curve by numerical simulation. Active layer plays an important role in operation of a solar cell. We investigated the effect thicknesses and defect densities (N d ) of the active layer on the J-V curve. When the active layer thickness was varied (for N d = 8 #xD7;10 17 cm -3 ) from 800 nm to 100 nm, the reverse saturation current density (J o ) changed from 3.56 #xD7;10 -5 A/cm 2 to 9.62 #xD7;10 -11 A/cm 2 and its ideality factor (n) changed from 5.28 to 2.02. For a reduced defect density (N d = 4 #xD7;10 15 cm -3 ), the n remained within 1.45 #x2264;n #x2264;1.92 for the same thickness range. A small increase in shunt resistance and almost no change in series resistance were observed in these cells. The low reverse saturation current density (J o = 9.62 #xD7;10 -11 A/cm 2 ) and diode ideality factor (n = 2.02 or 1.45) were observed for amorphous silicon based solar cell with 100 nm thick active layer. |
원문URL | http://click.ndsl.kr/servlet/OpenAPIDetailView?keyValue=03553784&target=NART&cn=JAKO201620240602791 |
첨부파일 |
과학기술표준분류 | |
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ICT 기술분류 | |
DDC 분류 | |
주제어 (키워드) | Amorphous silicon solar cell,Diode equivalent model,Active layer thickness |