https://scholars.lib.ntu.edu.tw/handle/123456789/432773
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.author | Hsu H.-C. et al. | en_US |
dc.contributor.author | Huang B.-C. | en_US |
dc.contributor.author | Chin S.-C. | en_US |
dc.contributor.author | Hsing C.-R. | en_US |
dc.contributor.author | Nguyen D.-L. | en_US |
dc.contributor.author | Schnedler M. | en_US |
dc.contributor.author | Sankar R. | en_US |
dc.contributor.author | Dunin-Borkowski R.E. | en_US |
dc.contributor.author | Wei C.-M. | en_US |
dc.contributor.author | CHUN-WEI CHEN | en_US |
dc.contributor.author | Ebert P. | en_US |
dc.contributor.author | YA-PING CHIU | en_US |
dc.creator | CHUN-WEI CHEN;Chiu Y.-P.;Ebert P.;Chen C.-W.;Wei C.-M.;Dunin-Borkowski R.E.;Sankar R.;Schnedler M.;Nguyen D.-L.;Hsing C.-R.;Chin S.-C.;Huang B.-C.;Hsu H.-C. | - |
dc.date.accessioned | 2019-11-27T02:28:05Z | - |
dc.date.available | 2019-11-27T02:28:05Z | - |
dc.date.issued | 2019 | - |
dc.identifier.issn | 19360851 | - |
dc.identifier.uri | https://www.scopus.com/inward/record.uri?eid=2-s2.0-85065346519&doi=10.1021%2facsnano.8b09645&partnerID=40&md5=2534e2f419a5391a5910f057df2b1c0d | - |
dc.identifier.uri | https://scholars.lib.ntu.edu.tw/handle/123456789/432773 | - |
dc.description.abstract | Photodriven dipole reordering of the intercalated organic molecules in halide perovskites has been suggested to be a critical degree of freedom, potentially affecting physical properties, device performance, and stability of hybrid perovskite-based optoelectronic devices. However, thus far a direct atomically resolved dipole mapping under device operation condition, that is, illumination, is lacking. Here, we map simultaneously the molecule dipole orientation pattern and the electrostatic potential with atomic resolution using photoexcited cross-sectional scanning tunneling microscopy and spectroscopy. Our experimental observations demonstrate that a photodriven molecule dipole reordering, initiated by a photoexcited separation of electron-hole pairs in spatially displaced orbitals, leads to a fundamental reshaping of the potential landscape in halide perovskites, creating separate one-dimensional transport channels for holes and electrons. We anticipate that analogous light-induced polarization order transitions occur in bulk and are at the origin of the extraordinary efficiencies of organometal halide perovskite-based solar cells as well as could reconcile apparently contradictory materials' properties. ? 2019 American Chemical Society. | - |
dc.publisher | American Chemical Society | - |
dc.relation.ispartof | ACS Nano | - |
dc.subject | egrees of freedom (mechanics); Electrostatics; Excitons; Molecules; Optoelectronic devices; Perovskite; Polarization; Scanning tunneling microscopy; Separation; Electrostatic potentials; Halide perovskites; Ordering transitions; photodriven dipole reordering; Scanning tunneling microscopy/spectroscopy; Transport channel; Perovskite solar cells | - |
dc.subject.other | Degrees of freedom (mechanics); Electrostatics; Excitons; Molecules; Optoelectronic devices; Perovskite; Polarization; Scanning tunneling microscopy; Separation; Electrostatic potentials; Halide perovskites; Ordering transitions; photodriven dipole reordering; Scanning tunneling microscopy/spectroscopy; Transport channel; Perovskite solar cells | - |
dc.title | Photodriven Dipole Reordering: Key to Carrier Separation in Metalorganic Halide Perovskites | en_US |
dc.type | journal article | en |
dc.identifier.doi | 10.1021/acsnano.8b09645 | - |
dc.identifier.pmid | 30916538 | - |
dc.identifier.scopus | 2-s2.0-85065346519 | - |
dc.identifier.isi | WOS:000466052900065 | - |
dc.relation.pages | 4402-4409 | - |
dc.relation.journalvolume | 13 | - |
dc.relation.journalissue | 4 | - |
item.openairetype | journal article | - |
item.openairecristype | http://purl.org/coar/resource_type/c_6501 | - |
item.cerifentitytype | Publications | - |
item.fulltext | no fulltext | - |
item.grantfulltext | none | - |
crisitem.author.dept | Materials Science and Engineering | - |
crisitem.author.dept | Applied Physics | - |
crisitem.author.dept | Program in Nanoengineering and Nanoscience | - |
crisitem.author.orcid | 0000-0001-7065-4411 | - |
crisitem.author.parentorg | College of Engineering | - |
crisitem.author.parentorg | College of Science | - |
crisitem.author.parentorg | Graduate School of Advanced Technology | - |
顯示於: | 材料科學與工程學系 |
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