Black Ge Based on Crystalline/Amorphous Core/Shell Nanoneedle Arrays

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dc.contributor.authorChueh, Yu-Lunko
dc.contributor.authorFan, Zhiyongko
dc.contributor.authorTakei, Kuniharuko
dc.contributor.authorKo, Hyunhyubko
dc.contributor.authorKapadia, Rehanko
dc.contributor.authorRathore, Asghar A.ko
dc.contributor.authorMiller, Nateko
dc.contributor.authorYu, Kyoungsikko
dc.contributor.authorWu, Mingko
dc.contributor.authorHaller, E. E.ko
dc.contributor.authorJavey, Aliko
dc.date.accessioned2013-03-09T16:43:28Z-
dc.date.available2013-03-09T16:43:28Z-
dc.date.created2012-02-06-
dc.date.created2012-02-06-
dc.date.issued2010-02-
dc.identifier.citationNANO LETTERS, v.10, no.2, pp.520 - 523-
dc.identifier.issn1530-6984-
dc.identifier.urihttp://hdl.handle.net/10203/96893-
dc.description.abstractDirect growth of black Ge on low-temperature substrates, including plastics and rubber is reported. The material is based on highly dense, crystalline/amorphous core/shell Ge nanoneedle arrays with ultrasharp tips (similar to 4 nm) enabled by the Ni catalyzed vapor-solid-solid growth process. Ge nanoneedle arrays exhibit remarkable optical properties, Specifically, minimal optical reflectance (<1%) is observed, even for high angles of incidence (similar to 75 degrees) and for relatively short nanoneedle lengths (-1 mu m). Furthermore, the. material exhibits high optical absorption efficiency with an effective band gap of similar to 1 eV. The reported black Ge could potentially have important practical implications For efficient photovoltaic and photodetector applications on nonconventional substrates.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.subjectSURFACE MIGRATION-
dc.subjectNANOWIRES-
dc.subjectSILICON-
dc.subjectGROWTH-
dc.subjectGOLD-
dc.subjectMECHANISM-
dc.titleBlack Ge Based on Crystalline/Amorphous Core/Shell Nanoneedle Arrays-
dc.typeArticle-
dc.identifier.wosid000274338800028-
dc.identifier.scopusid2-s2.0-76749100769-
dc.type.rimsART-
dc.citation.volume10-
dc.citation.issue2-
dc.citation.beginningpage520-
dc.citation.endingpage523-
dc.citation.publicationnameNANO LETTERS-
dc.identifier.doi10.1021/nl903366z-
dc.contributor.localauthorYu, Kyoungsik-
dc.contributor.nonIdAuthorChueh, Yu-Lun-
dc.contributor.nonIdAuthorFan, Zhiyong-
dc.contributor.nonIdAuthorTakei, Kuniharu-
dc.contributor.nonIdAuthorKo, Hyunhyub-
dc.contributor.nonIdAuthorKapadia, Rehan-
dc.contributor.nonIdAuthorRathore, Asghar A.-
dc.contributor.nonIdAuthorMiller, Nate-
dc.contributor.nonIdAuthorWu, Ming-
dc.contributor.nonIdAuthorHaller, E. E.-
dc.contributor.nonIdAuthorJavey, Ali-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorBlack germanium-
dc.subject.keywordAuthornanowires-
dc.subject.keywordAuthornanoneedles-
dc.subject.keywordAuthorantireflective coating-
dc.subject.keywordAuthorthin absorbers-
dc.subject.keywordPlusSURFACE MIGRATION-
dc.subject.keywordPlusNANOWIRES-
dc.subject.keywordPlusSILICON-
dc.subject.keywordPlusGROWTH-
dc.subject.keywordPlusGOLD-
dc.subject.keywordPlusMECHANISM-
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