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Article: Inch-Scale Grain Boundary Free Organic Crystals Developed by Nucleation Seed-Controlled Shearing Method

TitleInch-Scale Grain Boundary Free Organic Crystals Developed by Nucleation Seed-Controlled Shearing Method
Authors
Keywordsgrain boundary-free
single crystal
solution shearing
nucleation
organic field-effect transistor
Issue Date2018
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journal/aamick
Citation
ACS Applied Materials & Interfaces, 2018, v. 10, p. 35395-35403 How to Cite?
AbstractCrystals of organic semiconductors are excellent candidates for flexible and array-based electronics. Large-scale synthesis of organic crystals in a controllable way while maintaining homogeneous single-crystal property has been a great challenge. The existence of grain boundaries and small crystal domains, however, restrict the device performance and limit the access to commercially viable organic electronics in the industry. Herein, we report the inch-scale synthesis of highly oriented 2,7-dioctyl[1]benzothieno[3,2-b][1]benzothiophene (C8-BTBT) organic single crystal by nucleation seed-controlled shearing method. The organic field-effect transistors developed from such single crystal have excellent carrier mobility as high as 14.9 cm2 V–1 s–1 and uniformity (standard deviation is 1.3 cm2 V–1 s–1) of 225 devices. We also found that the rotation of the principal axis in the crystal is governed by the orientations of seeds and the possible mechanism behind this phenomenon is proposed based on the density functional theory calculations. We anticipate that this proposed approach will have great potential to be developed as a platform for the growth of organic crystals with high crystallinity on a large scale.
Persistent Identifierhttp://hdl.handle.net/10722/279453
ISSN
2017 Impact Factor: 8.097
2015 SCImago Journal Rankings: 2.381

 

DC FieldValueLanguage
dc.contributor.authorZHOU, Z-
dc.contributor.authorZhang, Z-
dc.contributor.authorWu, Q-
dc.contributor.authorJi, X-
dc.contributor.authorWang, J-
dc.contributor.authorZeng, X-
dc.contributor.authorFeng, SP-
dc.contributor.authorChan, PKL-
dc.date.accessioned2019-11-01T07:17:39Z-
dc.date.available2019-11-01T07:17:39Z-
dc.date.issued2018-
dc.identifier.citationACS Applied Materials & Interfaces, 2018, v. 10, p. 35395-35403-
dc.identifier.issn1944-8244-
dc.identifier.urihttp://hdl.handle.net/10722/279453-
dc.description.abstractCrystals of organic semiconductors are excellent candidates for flexible and array-based electronics. Large-scale synthesis of organic crystals in a controllable way while maintaining homogeneous single-crystal property has been a great challenge. The existence of grain boundaries and small crystal domains, however, restrict the device performance and limit the access to commercially viable organic electronics in the industry. Herein, we report the inch-scale synthesis of highly oriented 2,7-dioctyl[1]benzothieno[3,2-b][1]benzothiophene (C8-BTBT) organic single crystal by nucleation seed-controlled shearing method. The organic field-effect transistors developed from such single crystal have excellent carrier mobility as high as 14.9 cm2 V–1 s–1 and uniformity (standard deviation is 1.3 cm2 V–1 s–1) of 225 devices. We also found that the rotation of the principal axis in the crystal is governed by the orientations of seeds and the possible mechanism behind this phenomenon is proposed based on the density functional theory calculations. We anticipate that this proposed approach will have great potential to be developed as a platform for the growth of organic crystals with high crystallinity on a large scale.-
dc.languageeng-
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journal/aamick-
dc.relation.ispartofACS Applied Materials & Interfaces-
dc.rightsThis document is the Accepted Manuscript version of a Published Work that appeared in final form in [JournalTitle], copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see [insert ACS Articles on Request author-directed link to Published Work, see http://pubs.acs.org/page/policy/articlesonrequest/index.html].-
dc.subjectgrain boundary-free-
dc.subjectsingle crystal-
dc.subjectsolution shearing-
dc.subjectnucleation-
dc.subjectorganic field-effect transistor-
dc.titleInch-Scale Grain Boundary Free Organic Crystals Developed by Nucleation Seed-Controlled Shearing Method-
dc.typeArticle-
dc.identifier.emailJi, X: xudongji@hku.hk-
dc.identifier.emailFeng, SP: hpfeng@hku.hk-
dc.identifier.emailChan, PKL: pklc@hku.hk-
dc.identifier.authorityFeng, SP=rp01533-
dc.identifier.authorityChan, PKL=rp01532-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/acsami.8b09655-
dc.identifier.pmid30234961-
dc.identifier.scopuseid_2-s2.0-85054764875-
dc.identifier.hkuros308565-
dc.identifier.volume10-
dc.identifier.spage35395-
dc.identifier.epage35403-
dc.publisher.placeUnited States-

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