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Role of Metal Contacts on Halide Perovskite Memristors
dc.contributor.author | Pérez-Martínez, José Carlos | |
dc.contributor.author | Berruet, Mariana | |
dc.contributor.author | Gonzales, Cedric | |
dc.contributor.author | Salehpour, Saeed | |
dc.contributor.author | Bahari, Ali | |
dc.contributor.author | Arredondo, Belén | |
dc.contributor.author | Guerrero, Antonio | |
dc.date.accessioned | 2023-11-17T12:30:18Z | |
dc.date.available | 2023-11-17T12:30:18Z | |
dc.date.issued | 2023-10-16 | |
dc.identifier.citation | Pérez-Martínez, J. C., Berruet, M., Gonzales, C., Salehpour, S., Bahari, A., Arredondo, B., Guerrero, A., Role of Metal Contacts on Halide Perovskite Memristors. Adv. Funct. Mater. 2023, 33, 47, 2305211. https://doi.org/10.1002/adfm.202305211 | ca_CA |
dc.identifier.issn | 1616-301X | |
dc.identifier.issn | 1616-3028 | |
dc.identifier.uri | http://hdl.handle.net/10234/204923 | |
dc.description.abstract | Halide perovskites are promising candidates for resistive memories (memristors) due to their mixed electronic/ionic conductivity and the real activation mechanism is currently under debate. In order to unveil the role of the metal contact and its connection with the activation process, four model systems are screened on halide perovskite memristors: Nearly inert metals (Au and Pt), low reactivity contacts (Cu), highly reactive contact (Ag and Al), and pre-oxidized metal in the form of AgI. It is revealed that the threshold voltage for activation of the memory effect is highly connected with the electrochemical activity of the metals. Redox/capacitive peaks are observed for reactive metals at positive potentials and charged ions are formed that can follow the electrical field. Activation proceeds by formation of conductive filaments, either by the direct migration of the charged metals or by an increase in the concentration of halide vacancies generated by this electrochemical reaction. Importantly, the use of pre-oxidized Ag+ ions leads to very low threshold voltages of ≈0.2 V indicating that an additional electrochemical reaction is not needed in this system to activate the memristor. Overall, the effect of the metal contact is clarified, and it is revealed that AgI is a very promising interfacial layer for low-energy applications. | ca_CA |
dc.description.sponsorShip | Funding for open access charge: CRUE-Universitat Jaume I | |
dc.format.extent | 8 p. | ca_CA |
dc.format.mimetype | application/pdf | ca_CA |
dc.language.iso | eng | ca_CA |
dc.publisher | Wiley | ca_CA |
dc.relation.isPartOf | Advanced Functional Materials, 2023, vol.33, no 47 | ca_CA |
dc.rights.uri | http://creativecommons.org/licenses/by-nc/4.0/ | ca_CA |
dc.subject | contacts | ca_CA |
dc.subject | filamentary formation | ca_CA |
dc.subject | lead halide perovskites | ca_CA |
dc.subject | memristors | ca_CA |
dc.subject | metals | ca_CA |
dc.title | Role of Metal Contacts on Halide Perovskite Memristors | ca_CA |
dc.type | info:eu-repo/semantics/article | ca_CA |
dc.identifier.doi | https://doi.org/10.1002/adfm.202305211 | |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | ca_CA |
dc.relation.publisherVersion | https://onlinelibrary.wiley.com/doi/full/10.1002/adfm.202305211 | ca_CA |
dc.description.sponsorship | This study forms part of the Advanced Materials programme and was supported by MCIN with funding from European Union NextGenerationEU (PRTR-C17.I1) and by Generalitat Valenciana (CIGRIS/2022/150). The authors also thank the financial support of CONICET (External Fellowship 2020), Comunidad de Madrid (S2018/NMT-4326-SINFOTON2-CM), and of Universidad Rey Juan Carlos “Grupo DELFO de alto rendimiento”, reference M2363, under research program “Programa de fomento y desarrollo de la investigación”. C.G. would like to thank Generalitat Valenciana for a Grisolia grant (GRISOLIAP/2019/048). The authors thank the University Jaume I to allow for the use of Serveis Centrals d'Instrumentació Científica (SCIC). | |
dc.type.version | info:eu-repo/semantics/publishedVersion | ca_CA |
project.funder.name | European Union | ca_CA |
project.funder.name | Generalitat Valenciana | ca_CA |
project.funder.name | Consejo Nacional de Investigaciones Cientificas y Tecnicas (CONICET) | ca_CA |
project.funder.name | Comunidad de Madrid | ca_CA |
project.funder.name | Universidad Rey Juan Carlos | ca_CA |
project.funder.name | Generalitat Valenciana | ca_CA |
oaire.awardNumber | PRTR-C17.I1 | ca_CA |
oaire.awardNumber | CIGRIS/2022/150 | ca_CA |
oaire.awardNumber | S2018/NMT-4326-SINFOTON2-CM | ca_CA |
oaire.awardNumber | M2363 | ca_CA |
oaire.awardNumber | GRISOLIAP/2019/048 | ca_CA |
dc.subject.ods | 7. Energia asequible y no contaminante | ca_CA |
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