Publication
Copper-Arsenic-Sulfide Thin-Films from Local Raw Materials Deposited via RF Co-Sputtering for Photovoltaics
dc.contributor.author | Centeno, Pedro | |
dc.contributor.author | Alexandre, Miguel | |
dc.contributor.author | Neves, Filipe | |
dc.contributor.author | Fortunato, Elvira | |
dc.contributor.author | Martins, Rodrigo | |
dc.contributor.author | Águas, Hugo | |
dc.contributor.author | Mendes, Manuel Joao | |
dc.date.accessioned | 2022-11-30T15:05:06Z | |
dc.date.available | 2022-11-30T15:05:06Z | |
dc.date.issued | 2022-10 | |
dc.description.abstract | ABSTRACT: he inexorable increase of energy demand and the efficiency bottleneck of monocrystalline silicon solar cell technology is promoting the research and development of alternative photovoltaic materials. Copper-arsenic-sulfide (CAS) compounds are still rather unexplored in the literature, yet they have been regarded as promising candidates for use as p-type absorber in solar cells, owing to their broad raw material availability, suitable bandgap and high absorption coefficient. Here, a comprehensive study is presented on the structural and optoelectronic properties of CAS thin-films deposited via radio-frequency magnetron co-sputtering, using a commercial Cu target together with a Cu-As-S target with material obtained from local resources, specifically from mines in the Portuguese region of the Iberian Pyrite Belt. Raman and X-ray diffraction analysis confirm that the use of two targets results in films with pronounced stoichiometry gradients, suggesting a transition from amorphous CAS compounds to crystalline djurleite (Cu31S16), with the increasing proximity to the Cu target. Resistivity values from 4.7 m ohm center dot cm to 17.4 ohm center dot cm are obtained, being the lowest resistive films, those with pronounced sub-bandgap free-carrier absorption. The bandgap values range from 2.20 to 2.65 eV, indicating promising application as wide-bandgap semiconductors in third-generation (e.g., multi-junction) photovoltaic devices. | pt_PT |
dc.description.version | info:eu-repo/semantics/publishedVersion | pt_PT |
dc.identifier.citation | Centeno, Pedro... [et.al.] - Copper-Arsenic-Sulfide Thin-Films from Local Raw Materials Deposited via RF Co-Sputtering for Photovoltaics. In: Nanomaterials, 2022, vol. 12(19), article nº 3268 | pt_PT |
dc.identifier.doi | 10.3390/nano12193268 | pt_PT |
dc.identifier.eissn | 2079-4991 | |
dc.identifier.uri | http://hdl.handle.net/10400.9/3966 | |
dc.language.iso | eng | pt_PT |
dc.peerreviewed | yes | pt_PT |
dc.publisher | MDPI | pt_PT |
dc.relation | PTDC/NANOPT/28837/2017 | pt_PT |
dc.relation | Institute of Nanostructures, Nanomodelling and Nanofabrication | |
dc.relation | Institute of Nanostructures, Nanomodelling and Nanofabrication | |
dc.relation | Local Resources for Multifunctional Tetrahedrite-based Energy-Harvesting Applications | |
dc.relation | SYmbiosis for eNERGY harversting concepts for smart platforms on foils | |
dc.relation | Photonic-enhanced Quantum Nano-structured Perovskite Solar Cells | |
dc.relation.publisherversion | https://doi.org/10.3390/nano12193268 | pt_PT |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | pt_PT |
dc.subject | Photovoltaic materials | pt_PT |
dc.subject | Thin-film photovoltaic | pt_PT |
dc.subject | Semiconductors | pt_PT |
dc.subject | Copper | pt_PT |
dc.subject | Arsenic | pt_PT |
dc.subject | Silicon solar cells | pt_PT |
dc.subject | Raw materials | |
dc.title | Copper-Arsenic-Sulfide Thin-Films from Local Raw Materials Deposited via RF Co-Sputtering for Photovoltaics | pt_PT |
dc.type | journal article | |
dspace.entity.type | Publication | |
oaire.awardTitle | Institute of Nanostructures, Nanomodelling and Nanofabrication | |
oaire.awardTitle | Institute of Nanostructures, Nanomodelling and Nanofabrication | |
oaire.awardTitle | Local Resources for Multifunctional Tetrahedrite-based Energy-Harvesting Applications | |
oaire.awardTitle | SYmbiosis for eNERGY harversting concepts for smart platforms on foils | |
oaire.awardTitle | Photonic-enhanced Quantum Nano-structured Perovskite Solar Cells | |
oaire.awardURI | info:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F50025%2F2020/PT | |
oaire.awardURI | info:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50025%2F2020/PT | |
oaire.awardURI | info:eu-repo/grantAgreement/FCT/3599-PPCDT/PTDC%2FEAM-PEC%2F29905%2F2017/PT | |
oaire.awardURI | info:eu-repo/grantAgreement/EC/H2020/952169/EU | |
oaire.awardURI | info:eu-repo/grantAgreement/FCT/OE/SFRH%2FBD%2F148078%2F2019/PT | |
oaire.citation.title | Nanomaterials | pt_PT |
oaire.citation.volume | 12 | pt_PT |
oaire.fundingStream | 6817 - DCRRNI ID | |
oaire.fundingStream | 6817 - DCRRNI ID | |
oaire.fundingStream | 3599-PPCDT | |
oaire.fundingStream | H2020 | |
oaire.fundingStream | OE | |
person.familyName | Centeno | |
person.familyName | Alexandre | |
person.familyName | Neves | |
person.familyName | Fortunato | |
person.familyName | Martins | |
person.familyName | Águas | |
person.familyName | Mendes | |
person.givenName | Pedro | |
person.givenName | Miguel | |
person.givenName | Filipe | |
person.givenName | Elvira | |
person.givenName | Rodrigo | |
person.givenName | Hugo | |
person.givenName | Manuel Joao | |
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person.identifier.orcid | 0000-0002-7374-0726 | |
person.identifier.rid | A-7836-2012 | |
person.identifier.rid | E-2590-2011 | |
person.identifier.rid | C-4337-2013 | |
person.identifier.rid | C-4484-2013 | |
person.identifier.rid | K-7215-2015 | |
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person.identifier.scopus-author-id | 7004435348 | |
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project.funder.identifier | http://doi.org/10.13039/501100001871 | |
project.funder.identifier | http://doi.org/10.13039/501100001871 | |
project.funder.identifier | http://doi.org/10.13039/501100001871 | |
project.funder.identifier | http://doi.org/10.13039/501100008530 | |
project.funder.identifier | http://doi.org/10.13039/501100001871 | |
project.funder.name | Fundação para a Ciência e a Tecnologia | |
project.funder.name | Fundação para a Ciência e a Tecnologia | |
project.funder.name | Fundação para a Ciência e a Tecnologia | |
project.funder.name | European Commission | |
project.funder.name | Fundação para a Ciência e a Tecnologia | |
rcaap.rights | openAccess | pt_PT |
rcaap.type | article | pt_PT |
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