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Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.orgel.2012.07.048
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dc.titleIonization potential dependent air exposure effect on the MoO 3/organic interface energy level alignment
dc.contributor.authorZhong, J.Q.
dc.contributor.authorMao, H.Y.
dc.contributor.authorWang, R.
dc.contributor.authorLin, J.D.
dc.contributor.authorZhao, Y.B.
dc.contributor.authorZhang, J.L.
dc.contributor.authorMa, D.G.
dc.contributor.authorChen, W.
dc.date.accessioned2014-10-16T08:32:10Z
dc.date.available2014-10-16T08:32:10Z
dc.date.issued2012-12
dc.identifier.citationZhong, J.Q., Mao, H.Y., Wang, R., Lin, J.D., Zhao, Y.B., Zhang, J.L., Ma, D.G., Chen, W. (2012-12). Ionization potential dependent air exposure effect on the MoO 3/organic interface energy level alignment. Organic Electronics: physics, materials, applications 13 (12) : 2793-2800. ScholarBank@NUS Repository. https://doi.org/10.1016/j.orgel.2012.07.048
dc.identifier.issn15661199
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/94103
dc.description.abstractWe reported an ionization potential (IP) dependent air exposure effect on the MoO3/organic interface energy level alignment by carrying out in situ ultraviolet photoelectron spectroscopy and synchrotron light based X-ray photoelectron spectroscopy investigations. The electronic structures at MoO 3/organic interfaces comprising various π-conjugated small organic molecules with different IP on MoO3 substrate have been systematically investigated. For the molecules with low IP, MoO 3/organic interface electronic structures remained almost unchanged after air exposure. In contrast, for the molecules with high IP, the highest occupied molecular orbital (HOMO) leading edge (or hole injection barrier) increases gradually with the increasing molecule IP after air exposure. For the MoO3/copper-hexadecafluorophthalocyanine (F16CuPc, IP: ∼6.58 eV) interface, air exposure can induce a significant downward shift of the HOMO level as large as ∼0.80 eV. © 2012 Elsevier B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.orgel.2012.07.048
dc.sourceScopus
dc.subjectAir exposure effect
dc.subjectInterface electronic structures
dc.subjectMoO3
dc.subjectPhotoelectron spectroscopy
dc.typeArticle
dc.contributor.departmentCHEMISTRY
dc.description.doi10.1016/j.orgel.2012.07.048
dc.description.sourcetitleOrganic Electronics: physics, materials, applications
dc.description.volume13
dc.description.issue12
dc.description.page2793-2800
dc.description.codenOERLA
dc.identifier.isiut000311681600004
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