Effect of disorder on transport properties in a tight-binding model for lead halide perovskites
<p>The hybrid organic-inorganic lead halide perovskite materials have emerged as remarkable materials for photovoltaic applications. Their strengths include good electric transport properties in spite of the disorder inherent in them. Motivated by this observation, we analyze the effects of di...
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2017
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| _version_ | 1864513554937282560 |
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| author | S. Ashhab (14152701) |
| author2 | O. Voznyy (1294188) S. Hoogland (1683418) E. H. Sargent (1294185) M. E. Madjet (2361730) |
| author2_role | author author author author |
| author_facet | S. Ashhab (14152701) O. Voznyy (1294188) S. Hoogland (1683418) E. H. Sargent (1294185) M. E. Madjet (2361730) |
| author_role | author |
| dc.creator.none.fl_str_mv | S. Ashhab (14152701) O. Voznyy (1294188) S. Hoogland (1683418) E. H. Sargent (1294185) M. E. Madjet (2361730) |
| dc.date.none.fl_str_mv | 2017-08-21T00:00:00Z |
| dc.identifier.none.fl_str_mv | 10.1038/s41598-017-09442-4 |
| dc.relation.none.fl_str_mv | https://figshare.com/articles/journal_contribution/Effect_of_disorder_on_transport_properties_in_a_tight-binding_model_for_lead_halide_perovskites/21598083 |
| dc.rights.none.fl_str_mv | CC BY 4.0 info:eu-repo/semantics/openAccess |
| dc.subject.none.fl_str_mv | Engineering Materials engineering Hybrid Organic-Inorganic Perovskites Lead Halide Perovskites Photovoltaic Applications Electronic Transport Energy Eigenstates |
| dc.title.none.fl_str_mv | Effect of disorder on transport properties in a tight-binding model for lead halide perovskites |
| dc.type.none.fl_str_mv | Text Journal contribution info:eu-repo/semantics/publishedVersion text contribution to journal |
| description | <p>The hybrid organic-inorganic lead halide perovskite materials have emerged as remarkable materials for photovoltaic applications. Their strengths include good electric transport properties in spite of the disorder inherent in them. Motivated by this observation, we analyze the effects of disorder on the energy eigenstates of a tight-binding model of these materials. In particular, we analyze the spatial extension of the energy eigenstates, which is quantified by the inverse participation ratio. This parameter exhibits a tendency, and possibly a phase transition, to localization as the on-site energy disorder strength is increased. However, we argue that the disorder in the lead halide perovskites corresponds to a point in the regime of highly delocalized states. Our results also suggest that the electronic states of mixed-halide materials tend to be more localized than those of pure materials, which suggests a weaker tendency to form extended bonding states in the mixed-halide materials and is therefore not favourable for halide mixing.</p><h2>Other Information</h2> <p> Published in: Scientific Reports<br> License: <a href="http://creativecommons.org/licenses/by/4.0" target="_blank">http://creativecommons.org/licenses/by/4.0</a><br>See article on publisher's website: <a href="http://dx.doi.org/10.1038/s41598-017-09442-4" target="_blank">http://dx.doi.org/10.1038/s41598-017-09442-4</a></p> |
| eu_rights_str_mv | openAccess |
| id | Manara2_dc8d5963dcbb2707013f90ef4e64fd8a |
| identifier_str_mv | 10.1038/s41598-017-09442-4 |
| network_acronym_str | Manara2 |
| network_name_str | Manara2 |
| oai_identifier_str | oai:figshare.com:article/21598083 |
| publishDate | 2017 |
| repository.mail.fl_str_mv | |
| repository.name.fl_str_mv | |
| repository_id_str | |
| rights_invalid_str_mv | CC BY 4.0 |
| spelling | Effect of disorder on transport properties in a tight-binding model for lead halide perovskitesS. Ashhab (14152701)O. Voznyy (1294188)S. Hoogland (1683418)E. H. Sargent (1294185)M. E. Madjet (2361730)EngineeringMaterials engineeringHybrid Organic-Inorganic PerovskitesLead Halide PerovskitesPhotovoltaic ApplicationsElectronic TransportEnergy Eigenstates<p>The hybrid organic-inorganic lead halide perovskite materials have emerged as remarkable materials for photovoltaic applications. Their strengths include good electric transport properties in spite of the disorder inherent in them. Motivated by this observation, we analyze the effects of disorder on the energy eigenstates of a tight-binding model of these materials. In particular, we analyze the spatial extension of the energy eigenstates, which is quantified by the inverse participation ratio. This parameter exhibits a tendency, and possibly a phase transition, to localization as the on-site energy disorder strength is increased. However, we argue that the disorder in the lead halide perovskites corresponds to a point in the regime of highly delocalized states. Our results also suggest that the electronic states of mixed-halide materials tend to be more localized than those of pure materials, which suggests a weaker tendency to form extended bonding states in the mixed-halide materials and is therefore not favourable for halide mixing.</p><h2>Other Information</h2> <p> Published in: Scientific Reports<br> License: <a href="http://creativecommons.org/licenses/by/4.0" target="_blank">http://creativecommons.org/licenses/by/4.0</a><br>See article on publisher's website: <a href="http://dx.doi.org/10.1038/s41598-017-09442-4" target="_blank">http://dx.doi.org/10.1038/s41598-017-09442-4</a></p>2017-08-21T00:00:00ZTextJournal contributioninfo:eu-repo/semantics/publishedVersiontextcontribution to journal10.1038/s41598-017-09442-4https://figshare.com/articles/journal_contribution/Effect_of_disorder_on_transport_properties_in_a_tight-binding_model_for_lead_halide_perovskites/21598083CC BY 4.0info:eu-repo/semantics/openAccessoai:figshare.com:article/215980832017-08-21T00:00:00Z |
| spellingShingle | Effect of disorder on transport properties in a tight-binding model for lead halide perovskites S. Ashhab (14152701) Engineering Materials engineering Hybrid Organic-Inorganic Perovskites Lead Halide Perovskites Photovoltaic Applications Electronic Transport Energy Eigenstates |
| status_str | publishedVersion |
| title | Effect of disorder on transport properties in a tight-binding model for lead halide perovskites |
| title_full | Effect of disorder on transport properties in a tight-binding model for lead halide perovskites |
| title_fullStr | Effect of disorder on transport properties in a tight-binding model for lead halide perovskites |
| title_full_unstemmed | Effect of disorder on transport properties in a tight-binding model for lead halide perovskites |
| title_short | Effect of disorder on transport properties in a tight-binding model for lead halide perovskites |
| title_sort | Effect of disorder on transport properties in a tight-binding model for lead halide perovskites |
| topic | Engineering Materials engineering Hybrid Organic-Inorganic Perovskites Lead Halide Perovskites Photovoltaic Applications Electronic Transport Energy Eigenstates |