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Title: | Encapsulation of Nanostructures in a Dielectric Matrix Providing Optical Enhancement in Ultrathin Solar Cells | Authors: | Oliveira, Antonio J. N. DE WILD, Jessica Oliveira, Kevin Valenca, Beatriz A. Teixeira, Jennifer P. Guerreiro, Joana R. L. Abalde-Cela, Sara LOPES, Tomas Ribeiro, Rodrigo M. Cunha, Jose M., V Curado, Marco A. MONTEIRO, Margarida Violas, Andre Silva, Ana Gomes Prado, Marta Fernandes, Paulo A. VERMANG, Bart Salome, Pedro M. P. |
Issue Date: | 2020 | Publisher: | WILEY-V C H VERLAG GMBH | Source: | Solar RRL, 4 (11) (Art N° 2000310) | Abstract: | The incorporation of nanostructures in optoelectronic devices for enhancing their optical performance is widely studied. However, several problems related to the processing complexity and the low performance of the nanostructures have hindered such actions in real-life devices. Herein, a novel way of introducing gold nanoparticles in a solar cell structure is proposed in which the nanostructures are encapsulated with a dielectric layer, shielding them from high temperatures and harsh growth processing conditions of the remaining device. Through optical simulations, an enhancement of the effective optical path length of approximately four times the nominal thickness of the absorber layer is verified with the new architecture. Furthermore, the proposed concept in a Cu(In,Ga)Se(2)solar cell device is demonstrated, where the short-circuit current density is increased by 17.4%. The novel structure presented in this work is achieved by combining a bottom-up chemical approach of depositing the nanostructures with a top-down photolithographic process, which allows for an electrical contact. | Notes: | Oliveira, AJN (corresponding author), INL Int Iberian Nanotechnol Lab, Ave Mestre Jose Veiga, P-4715330 Braga, Portugal. antonio.oliveira@inl.int |
Other: | Oliveira, AJN (corresponding author), INL Int Iberian Nanotechnol Lab, Ave Mestre Jose Veiga, P-4715330 Braga, Portugal. antonio.oliveira@inl.int | Keywords: | Cu(In;Ga)Se-2 solar cells;gold nanoparticles;light management;optical enhancement | Document URI: | http://hdl.handle.net/1942/32993 | ISSN: | 2367-198X | e-ISSN: | 2367-198X | DOI: | 10.1002/solr.202000310 | ISI #: | WOS:000567503900001 | Rights: | 2020 Wiley-VCH GmbH | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2021 |
Appears in Collections: | Research publications |
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solr.202000310.pdf Restricted Access | Published version | 1.11 MB | Adobe PDF | View/Open Request a copy |
1.pdf | Peer-reviewed author version | 1.05 MB | Adobe PDF | View/Open |
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