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Article: Dynamical Evolution of Anisotropic Response in Black Phosphorus under Ultrafast Photoexcitation

TitleDynamical Evolution of Anisotropic Response in Black Phosphorus under Ultrafast Photoexcitation
Authors
KeywordsBlack phosphorus
electronic anisotropy
high field transport
hot carriers
two-dimensional materials
ultrafast spectroscopy
Issue Date2015
Citation
Nano Letters, 2015, v. 15, n. 7, p. 4650-4656 How to Cite?
AbstractBlack phosphorus has recently emerged as a promising material for high-performance electronic and optoelectronic device for its high mobility, tunable mid-infrared bandgap, and anisotropic electronic properties. Dynamical evolution of photoexcited carriers and the induced transient change of electronic properties are critical for materials' high-field performance but remain to be explored for black phosphorus. In this work, we perform angle-resolved transient reflection spectroscopy to study the dynamical evolution of anisotropic properties of black phosphorus under photoexcitation. We find that the anisotropy of reflectivity is enhanced in the pump-induced quasi-equilibrium state, suggesting an extraordinary enhancement of the anisotropy in dynamical conductivity in hot carrier dominated regime. These results raise attractive possibilities of creating high-field, angle-sensitive electronic, optoelectronic, and remote sensing devices exploiting the dynamical electronic anisotropy with black phosphorus.
Persistent Identifierhttp://hdl.handle.net/10722/323952
ISSN
2023 Impact Factor: 9.6
2023 SCImago Journal Rankings: 3.411
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorGe, Shaofeng-
dc.contributor.authorLi, Chaokai-
dc.contributor.authorZhang, Zhiming-
dc.contributor.authorZhang, Chenglong-
dc.contributor.authorZhang, Yudao-
dc.contributor.authorQiu, Jun-
dc.contributor.authorWang, Qinsheng-
dc.contributor.authorLiu, Junku-
dc.contributor.authorJia, Shuang-
dc.contributor.authorFeng, Ji-
dc.contributor.authorSun, Dong-
dc.date.accessioned2023-01-13T03:00:28Z-
dc.date.available2023-01-13T03:00:28Z-
dc.date.issued2015-
dc.identifier.citationNano Letters, 2015, v. 15, n. 7, p. 4650-4656-
dc.identifier.issn1530-6984-
dc.identifier.urihttp://hdl.handle.net/10722/323952-
dc.description.abstractBlack phosphorus has recently emerged as a promising material for high-performance electronic and optoelectronic device for its high mobility, tunable mid-infrared bandgap, and anisotropic electronic properties. Dynamical evolution of photoexcited carriers and the induced transient change of electronic properties are critical for materials' high-field performance but remain to be explored for black phosphorus. In this work, we perform angle-resolved transient reflection spectroscopy to study the dynamical evolution of anisotropic properties of black phosphorus under photoexcitation. We find that the anisotropy of reflectivity is enhanced in the pump-induced quasi-equilibrium state, suggesting an extraordinary enhancement of the anisotropy in dynamical conductivity in hot carrier dominated regime. These results raise attractive possibilities of creating high-field, angle-sensitive electronic, optoelectronic, and remote sensing devices exploiting the dynamical electronic anisotropy with black phosphorus.-
dc.languageeng-
dc.relation.ispartofNano Letters-
dc.subjectBlack phosphorus-
dc.subjectelectronic anisotropy-
dc.subjecthigh field transport-
dc.subjecthot carriers-
dc.subjecttwo-dimensional materials-
dc.subjectultrafast spectroscopy-
dc.titleDynamical Evolution of Anisotropic Response in Black Phosphorus under Ultrafast Photoexcitation-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/acs.nanolett.5b01409-
dc.identifier.scopuseid_2-s2.0-84936792003-
dc.identifier.volume15-
dc.identifier.issue7-
dc.identifier.spage4650-
dc.identifier.epage4656-
dc.identifier.eissn1530-6992-
dc.identifier.isiWOS:000357964100062-

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