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YU-CHIN CHOU1, YU-LI LIN2, CHIEN-HUNG WU2,* , CHENG-YI HSU1
In this paper, we present highly efficient p-type crystalline silicon solar cells coated with a novel antireflection thin film composed of lanthanum aluminate oxide (LaAlO3). We compared the results of single layer antireflection coatings (SLARCs) and double layer antireflection coatings (DL-ARCs). The antireflection thin films were deposited onto solar cells by using plasma-enhanced chemical vapor deposition (PECVD) of silicon nitride (Si3N4) and e-beam evaporation of LaAlO3. The deposition method changed the morphology of the LaAlO3 thin film, which contributed to a change of the refractive index. Si3N4/LaAlO3 DL-ARCs samples showed higher output performance efficiency than those of Si3N4 SL-ARCs samples. Adding a LaAlO3 thin film through this deposition process, increased efficiency by up to 19.56% at AM 1.5G on crystalline silicon solar cells, and demonstrated a 1.46% efficiency gain compared with baseline solar cells with Si3N4 SLARCs.
Lanthanum aluminate oxide (LaAlO3), Double layer antireflection coatings (DL-ARCs), Solar cells.
YU-CHIN CHOU, YU-LI LIN, CHIEN-HUNG WU, CHENG-YI HSU, Using Si3N4/LaAlO3 double layer antireflection coatings with improved efficiency for single crystal silicon solar cells, Optoelectronics and Advanced Materials - Rapid Communications, 17, 7-8, July-August 2023, pp.311-316 (2023).
Submitted at: Oct. 31, 2022
Accepted at: Aug. 7, 2023
Optoelectronics and Advanced Materials - Rapid Communications
(2022): 0.5 - 2022 Journal Citation Reports (Clarivate Analytics, 2023)
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