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http://hdl.handle.net/1942/28829
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DC Field | Value | Language |
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dc.contributor.author | Xu, Menglei | - |
dc.contributor.author | Bearda, Twan | - |
dc.contributor.author | Filipic, Miha | - |
dc.contributor.author | Radhakrishnan, Hariharsudan Sivaramakrishnan | - |
dc.contributor.author | GORDON, Ivan | - |
dc.contributor.author | Szlufcik, Jozef | - |
dc.contributor.author | POORTMANS, Jef | - |
dc.date.accessioned | 2019-07-29T09:23:31Z | - |
dc.date.available | 2019-07-29T09:23:31Z | - |
dc.date.issued | 2018 | - |
dc.identifier.citation | SOLAR ENERGY MATERIALS AND SOLAR CELLS, 186, p. 78-83 | - |
dc.identifier.issn | 0927-0248 | - |
dc.identifier.uri | http://hdl.handle.net/1942/28829 | - |
dc.description.abstract | In early 2017, the world record efficiency for single-junction crystalline silicon (c-Si) solar cells was achieved by merging amorphous silicon (a-Si:H)/c-Si heterojunction technology and back-contact architecture. However, to fabricate such silicon heterojunction interdigitated back-contact (SHJ-IBC) solar cells, complex a-Si:H patterning steps are required to form the interdigitated a-Si:H strips at the back side of the devices. This fabrication complexity raises concerns about the commercial potential of such devices. In this work, a novel process scheme for a-Si:H patterning using damage-free laser ablation is presented, leading to a fast, simple and photolithography-free emitter patterning approach for SHJ-IBC solar cells. To prevent laser-induced damage to the a-Si:H/c-Si heterocontact, an a-Si:H laser-absorbing layer and a dielectric mask are deposited on top of the a-Si:H/c-Si. Laser ablation only removes the top a-Si:H layer, reducing laser damage to the bottom a-Si:H/c-Si heterocontact under the dielectric mask. This dielectric mask is a distributed Bragg reflector (DBR), resulting in a high reflectance of 80% at the laser wavelength and thus providing additional protection to the a-Si:H/c-Si heterocontact. Using such simple a-Si:H patterning method, a proof-of concept 4-cm(2) SHJ-IBC solar cell with an efficiency of up to 22.5% is achieved. | - |
dc.description.sponsorship | The authors gratefully acknowledge the financial support of IMEC's Industrial Affiliation Program for Si-PV. This project has also received funding from the European Union's Horizon 2020 Research and Innovation Programme under grant agreement no. 727523 (NextBase). | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCIENCE BV | - |
dc.rights | 2018 Elsevier B.V. All rights reserved | - |
dc.subject.other | Silicon heterojunction; Amorphous silicon; Solar cells; Interdigitated back-contact; Laser ablation; Patterning | - |
dc.subject.other | Silicon heterojunction; Amorphous silicon; Solar cells; Interdigitated back-contact; Laser ablation; Patterning | - |
dc.title | Simple emitter patterning of silicon heterojunction interdigitated back-contact solar cells using damage-free laser ablation | - |
dc.type | Journal Contribution | - |
dc.identifier.epage | 83 | - |
dc.identifier.spage | 78 | - |
dc.identifier.volume | 186 | - |
local.format.pages | 6 | - |
local.bibliographicCitation.jcat | A1 | - |
dc.description.notes | [Xu, Menglei; Poortmans, Jef] Katholieke Univ Leuven, Kasteelpk Arenberg 10, B-3001 Heverlee, Belgium. [Xu, Menglei; Bearda, Twan; Filipic, Miha; Radhakrishnan, Hariharsudan Sivaramakrishnan; Gordon, Ivan; Szlufcik, Jozef; Poortmans, Jef] Imec, Kapeldreef 75, B-3001 Heverlee, Belgium. [Poortmans, Jef] Hasselt Univ, B-3500 Hasselt, Belgium. | - |
local.publisher.place | AMSTERDAM | - |
local.type.refereed | Refereed | - |
local.type.specified | Article | - |
local.type.programme | H2020 | - |
local.relation.h2020 | 727523 | - |
dc.identifier.doi | 10.1016/j.solmat.2018.06.027 | - |
dc.identifier.isi | 000441491100010 | - |
item.fulltext | With Fulltext | - |
item.accessRights | Restricted Access | - |
item.fullcitation | Xu, Menglei; Bearda, Twan; Filipic, Miha; Radhakrishnan, Hariharsudan Sivaramakrishnan; GORDON, Ivan; Szlufcik, Jozef & POORTMANS, Jef (2018) Simple emitter patterning of silicon heterojunction interdigitated back-contact solar cells using damage-free laser ablation. In: SOLAR ENERGY MATERIALS AND SOLAR CELLS, 186, p. 78-83. | - |
item.contributor | Xu, Menglei | - |
item.contributor | Bearda, Twan | - |
item.contributor | Filipic, Miha | - |
item.contributor | Radhakrishnan, Hariharsudan Sivaramakrishnan | - |
item.contributor | GORDON, Ivan | - |
item.contributor | Szlufcik, Jozef | - |
item.contributor | POORTMANS, Jef | - |
crisitem.journal.issn | 0927-0248 | - |
crisitem.journal.eissn | 1879-3398 | - |
Appears in Collections: | Research publications |
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xu 1.pdf Restricted Access | Published version | 1.5 MB | Adobe PDF | View/Open Request a copy |
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