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dc.contributor.authorSong, Jingchao
dc.contributor.authorYuan, Jian
dc.contributor.authorXia, Fang
dc.contributor.authorLiu, Jingying
dc.contributor.authorZhang, Yupeng
dc.contributor.authorZhong, Yu Lin
dc.contributor.authorZheng, Jialu
dc.contributor.authorLiu, Yan
dc.contributor.authorLi, Shaojuan
dc.contributor.authorZhao, Meng
dc.contributor.authorTian, Zhiming
dc.contributor.authorCaruso, Rachel A
dc.contributor.authorLoh, Kian Ping
dc.contributor.authorBao, Qiaoliang
dc.date.accessioned2018-07-26T03:18:57Z
dc.date.available2018-07-26T03:18:57Z
dc.date.issued2016
dc.identifier.issn2199-160X
dc.identifier.doi10.1002/aelm.201600077
dc.identifier.urihttp://hdl.handle.net/10072/173787
dc.description.abstractLarge‐scale production of 2D van der Waals heterostructures with precisely controlled chemical composition is the major challenge hindering their practical electric and optoelectronic applications. In this work, a solvothermal method is demonstrated to produce van der Waals heterostructures consisting of metal chalcogenides and graphene in a large scale. In situ powder X‐ray diffraction reveals that graphene plays an important role as atomic template to grow bismuth chalcogenide nanoplatelets with preferential stoichiometry of Bi2Se1.5Te1.5, which is naturally unstable. It is found that Bi2Se1.5Te1.5 has the minimum lattice mismatch with graphene (<0.1%). The release of lattice mismatch strain between Bi2Se1.5Te1.5 and graphene sheet is evidenced by a new peak in the ultraviolet photoelectron spectroscopy. A macroscale free‐standing heterostructured thin film with excellent mechanical flexibility is fabricated by simply filtering the large‐scale solution processed heterostructure. The heterostructure film is used to fabricate a flexible photodetector, which shows a broadband photo response and excellent durability in a bending test. The heterostructure material and device demonstrated in this work may shed light to flexible optoelectronic devices and applications.
dc.description.peerreviewedYes
dc.languageEnglish
dc.language.isoeng
dc.publisherWiley- VCH Verlag GmbH & Co. KGaA
dc.relation.ispartofpagefrom1600077-1
dc.relation.ispartofpageto1600077-9
dc.relation.ispartofissue5
dc.relation.ispartofjournalAdvanced Electronic Materials
dc.relation.ispartofvolume2
dc.subject.fieldofresearchFunctional Materials
dc.subject.fieldofresearchElectrical and Electronic Engineering
dc.subject.fieldofresearchMaterials Engineering
dc.subject.fieldofresearchcode091205
dc.subject.fieldofresearchcode0906
dc.subject.fieldofresearchcode0912
dc.titleLarge-Scale Production of Bismuth Chalcogenide and Graphene Heterostructure and Its Application for Flexible Broadband Photodetector
dc.typeJournal article
dc.type.descriptionC1 - Articles
dc.type.codeC - Journal Articles
gro.hasfulltextNo Full Text
gro.griffith.authorZhong, Yulin


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