Density-Dependent Reorientation and Rehybridization of Chemisorbed Conjugated Molecules for Controlling Interface Electronic Structure

B. Broeker; O. T. Hofmann; G. M. Rangger; P. Frank; R. -P. Blum; R. Rieger; A. Vollmer; K. Muellen; J. P. Rabe; A. Winkler; P. Rudolf; E. Zojer; N. Koch; K. Müllen; L.C. Venema

doi:10.1103/PhysRevLett.104.246805

Density-Dependent Reorientation and Rehybridization of Chemisorbed Conjugated Molecules for Controlling Interface Electronic Structure

B. Broeker^*, O. T. Hofmann, G. M. Rangger, P. Frank, R. -P. Blum, R. Rieger, A. Vollmer, K. Muellen, J. P. Rabe, A. Winkler, P. Rudolf, E. Zojer, N. Koch, K. Müllen, L.C. Venema

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

The adsorption of the molecular acceptor hexaazatriphenylene-hexacarbonitrile on Ag(111) was investigated as function of layer density. We find that the orientation of the first molecular layer changes from a face-on to an edge-on conformation depending on layer density, facilitated through specific interactions of the peripheral molecular cyano groups with the metal. This is accompanied by a rehybridization of molecular and metal electronic states, which significantly modifies the interface and surface electronic properties, as rationalized by theoretical modeling.

Original language	English
Article number	246805
Pages (from-to)	246805-1-246805-4
Number of pages	4
Journal	Physical Review Letters
Volume	104
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevLett.104.246805
Publication status	Published - 18-Jun-2010

Keywords

BEAM DEPOSITION
ORGANIC FILMS
ADSORPTION
SURFACES
GROWTH
DIPOLE
LEVEL

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Broeker, B., Hofmann, O. T., Rangger, G. M., Frank, P., Blum, R. .-P., Rieger, R., Vollmer, A., Muellen, K., Rabe, J. P., Winkler, A., Rudolf, P., Zojer, E., Koch, N., Müllen, K., & Venema, L. C. (2010). Density-Dependent Reorientation and Rehybridization of Chemisorbed Conjugated Molecules for Controlling Interface Electronic Structure. Physical Review Letters, 104(24), 246805-1-246805-4. Article 246805. https://doi.org/10.1103/PhysRevLett.104.246805

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title = "Density-Dependent Reorientation and Rehybridization of Chemisorbed Conjugated Molecules for Controlling Interface Electronic Structure",

abstract = "The adsorption of the molecular acceptor hexaazatriphenylene-hexacarbonitrile on Ag(111) was investigated as function of layer density. We find that the orientation of the first molecular layer changes from a face-on to an edge-on conformation depending on layer density, facilitated through specific interactions of the peripheral molecular cyano groups with the metal. This is accompanied by a rehybridization of molecular and metal electronic states, which significantly modifies the interface and surface electronic properties, as rationalized by theoretical modeling.",

keywords = "BEAM DEPOSITION, ORGANIC FILMS, ADSORPTION, SURFACES, GROWTH, DIPOLE, LEVEL",

author = "B. Broeker and Hofmann, {O. T.} and Rangger, {G. M.} and P. Frank and Blum, {R. -P.} and R. Rieger and A. Vollmer and K. Muellen and Rabe, {J. P.} and A. Winkler and P. Rudolf and E. Zojer and N. Koch and K. M{\"u}llen and L.C. Venema",

year = "2010",

month = jun,

day = "18",

doi = "10.1103/PhysRevLett.104.246805",

language = "English",

volume = "104",

pages = "246805--1--246805--4",

journal = "Physical Review Letters",

issn = "0031-9007",

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number = "24",

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Broeker, B, Hofmann, OT, Rangger, GM, Frank, P, Blum, R-P, Rieger, R, Vollmer, A, Muellen, K, Rabe, JP, Winkler, A, Rudolf, P, Zojer, E, Koch, N, Müllen, K & Venema, LC 2010, 'Density-Dependent Reorientation and Rehybridization of Chemisorbed Conjugated Molecules for Controlling Interface Electronic Structure', Physical Review Letters, vol. 104, no. 24, 246805, pp. 246805-1-246805-4. https://doi.org/10.1103/PhysRevLett.104.246805

TY - JOUR

T1 - Density-Dependent Reorientation and Rehybridization of Chemisorbed Conjugated Molecules for Controlling Interface Electronic Structure

AU - Broeker, B.

AU - Hofmann, O. T.

AU - Rangger, G. M.

AU - Frank, P.

AU - Blum, R. -P.

AU - Rieger, R.

AU - Vollmer, A.

AU - Muellen, K.

AU - Rabe, J. P.

AU - Winkler, A.

AU - Rudolf, P.

AU - Zojer, E.

AU - Koch, N.

AU - Müllen, K.

AU - Venema, L.C.

PY - 2010/6/18

Y1 - 2010/6/18

N2 - The adsorption of the molecular acceptor hexaazatriphenylene-hexacarbonitrile on Ag(111) was investigated as function of layer density. We find that the orientation of the first molecular layer changes from a face-on to an edge-on conformation depending on layer density, facilitated through specific interactions of the peripheral molecular cyano groups with the metal. This is accompanied by a rehybridization of molecular and metal electronic states, which significantly modifies the interface and surface electronic properties, as rationalized by theoretical modeling.

AB - The adsorption of the molecular acceptor hexaazatriphenylene-hexacarbonitrile on Ag(111) was investigated as function of layer density. We find that the orientation of the first molecular layer changes from a face-on to an edge-on conformation depending on layer density, facilitated through specific interactions of the peripheral molecular cyano groups with the metal. This is accompanied by a rehybridization of molecular and metal electronic states, which significantly modifies the interface and surface electronic properties, as rationalized by theoretical modeling.

KW - BEAM DEPOSITION

KW - ORGANIC FILMS

KW - ADSORPTION

KW - SURFACES

KW - GROWTH

KW - DIPOLE

KW - LEVEL

U2 - 10.1103/PhysRevLett.104.246805

DO - 10.1103/PhysRevLett.104.246805

M3 - Article

SN - 0031-9007

VL - 104

SP - 246805-1-246805-4

JO - Physical Review Letters

JF - Physical Review Letters

IS - 24

M1 - 246805

ER -

Density-Dependent Reorientation and Rehybridization of Chemisorbed Conjugated Molecules for Controlling Interface Electronic Structure

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