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Role of Dangling Bond State Occupancy in Adsorption of Copper Phthalocyanine on Si(111)-Sn-root 3 x root 3

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F19%3A10395972" target="_blank" >RIV/00216208:11320/19:10395972 - isvavai.cz</a>

  • Result on the web

    <a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=Yk66qEbgNP" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=Yk66qEbgNP</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1021/acs.jpcc.9b03624" target="_blank" >10.1021/acs.jpcc.9b03624</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Role of Dangling Bond State Occupancy in Adsorption of Copper Phthalocyanine on Si(111)-Sn-root 3 x root 3

  • Original language description

    Interaction of organic molecules with solid surfaces reflects the local electronic structure of nonequivalent surface sites. The Si(111)-Sn-root 3 x root 3 surface with intrinsic defects offers dangling bonds with various electron occupancies. In this study, we report on the interaction of copper phthalocyanine with this surface studied with scanning tunneling microscopy and spectroscopy. Sn atoms in the adlayer contain unpaired electrons in their dangling bonds. The molecules are found to adsorb on Sb and Si substitutional defects instead of the homogenous Sn areas. The symmetry of the molecules is lowered or lost after adsorption, and we find substantial differences in the electronic structure of the molecules adsorbed on either type of defects. Furthermore, the molecules preferentially adsorb on double Si substitutional defects where they can switch between a static and a fuzzy state, for both of which a corresponding bonding model is proposed. Our study shows a pivotal role of substitutional defects in the reactivity of the Si(111)-Sn-root 3 x root 3 surface for the copper phthalocyanine molecules, which we attribute to local changes of electronic structure and discuss it in terms of dangling bond state occupancy.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10305 - Fluids and plasma physics (including surface physics)

Result continuities

  • Project

    <a href="/en/project/GA16-15802S" target="_blank" >GA16-15802S: Self-ordered structures of organic molecules on metal-functionalized silicon surfaces</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2019

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Journal of Physical Chemistry C

  • ISSN

    1932-7447

  • e-ISSN

  • Volume of the periodical

    123

  • Issue of the periodical within the volume

    26

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    7

  • Pages from-to

    16232-16238

  • UT code for WoS article

    000474796600036

  • EID of the result in the Scopus database

    2-s2.0-85068482924