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Clear All- FCT| Core-shell and core-host interactions in functional silicon-nanoparticles ,FCT| Si QuaDot PV ,FCT| Institute of Nanostructures, Nanomodelling and NanofabricationPia Jensen; M. Bellettato; Bjarke R. Jeppesen;
Rui N. Pereira; +9 AuthorsRui N. Pereira
Harvested from ORCID Public Data FileRui N. Pereira in OpenAIREPia Jensen; M. Bellettato; Bjarke R. Jeppesen; Rui N. Pereira; Rui N. Pereira;Rui N. Pereira
Harvested from ORCID Public Data FileRui N. Pereira in OpenAIRE Bruno P. Falcão; Emil H. Eriksen; Caterina Summonte; Derese Desta; Peter Balling;Bruno P. Falcão
Harvested from ORCID Public Data FileBruno P. Falcão in OpenAIRE Sanjay K. Ram; Sanjay K. Ram
Harvested from ORCID Public Data FileSanjay K. Ram in OpenAIRE Rita Rizzoli; Arne Nylandsted Larsen;Rita Rizzoli
Harvested from ORCID Public Data FileRita Rizzoli in OpenAIRESelf-organizing nanopatterns can enable economically competitive, industrially applicable light-harvesting platforms for thin-film solar cells. In this work, we present transparent solar cell substrates having quasiperiodic uniaxial nanowrinkle patterns with high optical haze values. The self-organized nanowrinkle template is created by controlled heat-shrinking of metal-deposited pre-stretched polystyrene sheets. A scalable UV nanoimprinting method is used to transfer the nanopatterns to glass substrates on which single-junction hydrogenated amorphous silicon p-i-n solar cells are subsequently fabricated. The structural and optical analyses of the solar cell show that the nanowrinkle pattern is replicated throughout the solar cell structure leading to enhanced absorption of light. The efficient broadband light-trapping in the nanowrinkle solar cells results in very high 18.2 mA/cm2 short-circuit current density and 9.5% energy-conversion efficiency, which respectively are 35.8% and 39.7% higher than the values obtained in flat-substrate solar cells. The cost- and time-efficient technique introduces a promising new approach to customizable light-management strategies in thin-film solar cells.
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