Oliver Hofmann

Ass.Prof. Dipl.-Ing. Dr.techn.

20042021
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Research Output 2004 2019

  • 42 Article
  • 34 Poster
  • 20 (Old data) Lecture or Presentation
  • 12 Conference contribution
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Article
2018

Charting the energy landscape of metal/organic interfaces via machine learning

Scherbela, M., Hörmann, L., Jeindl, A., Obersteiner, V. & Hofmann, O., 17 Apr 2018, In : Physical Review Materials. 2, 4, p. 043803

Research output: Contribution to journalArticleResearchpeer-review

Polymorphism
Learning systems
Metals
Potential energy surfaces
Density functional theory

Distinguishing between Charge-Transfer Mechanisms at Organic/Inorganic Interfaces Employing Hybrid Functionals

Wruss, E., Zojer, E. & Hofmann, O. T., 5 Jul 2018, In : Journal of Physical Chemistry C. 122, 26, p. 14640-14653 14 p.

Research output: Contribution to journalArticleResearchpeer-review

functionals
Charge transfer
charge transfer
Density functional theory
Substrates

Formation of Occupied and Unoccupied Hybrid Bands at Interfaces between Metals and Organic Donors/Acceptors

Gerbert, D., Hofmann, O. T. & Tegeder, P., 6 Dec 2018, In : Journal of Physical Chemistry C. 122, 48, p. 27554-27560 7 p.

Research output: Contribution to journalArticleResearchpeer-review

Metals
Molecules
metals
molecules
Interface states

NIR Phosphorescent Intramolecularly Bridged Benzoporphyrins and their Application in Oxygen-Compensated Glucose Optode

Zach, P. W., Hofmann, O., Klimant, I. & Borisov, S., 20 Feb 2018, In : Analytical Chemistry. 90, 4

Research output: Contribution to journalArticleResearchpeer-review

Van der Waals Interaction Activated Strong Electronic Coupling at the Interface between Chloro Boron-Subphthalocyanine and Cu(111)

Harivyasi, S. S., Hofmann, O. T., Ilyas, N., Monti, O. L. A. & Zojer, E., 2018, In : Journal of Physical Chemistry C. 122, 6, p. 14621-14630

Research output: Contribution to journalArticleResearchpeer-review

Boron
Van der Waals forces
boron
Molecules
electronics
2017

Band Bending Engineering at Organic/Inorganic Interfaces Using Organic Self-Assembled Monolayers

Hofmann, O. T. & Rinke, P., 1 Jun 2017, In : Advanced Electronic Materials. 3, 6, 1600373.

Research output: Contribution to journalArticleResearchpeer-review

Self assembled monolayers
Doping (additives)
Semiconductor materials
Molecular orbitals
Pyridine

Doping dependence of the surface phase stability of polar O-terminated (000) ZnO

Erker, S., Rinke, P., Moll, N. & Hofmann, O. T., 14 Aug 2017, In : New Journal of Physics. 19, 8, 083012.

Research output: Contribution to journalArticleResearchpeer-review

surface stability
hydrogen
charge carriers
space charge
phase diagrams

Electrostatic Design of 3D Covalent Organic Networks

Obersteiner, V., Jeindl, A., Götz, J., Perveaux, A., Hofmann, O. T. & Zojer, E., 19 Jul 2017, In : Advanced Materials. 29, 27, 1700888.

Research output: Contribution to journalArticleResearchpeer-review

Electrostatics
Charge carriers
Excitons
Functional groups
Electronic structure

Exploring the driving forces behind the structural assembly of biphenylthiolates on Au(111)

Verwüster, E., Wruss, E., Zojer, E. & Hofmann, O. T., 14 Jul 2017, In : Journal of Chemical Physics. 147, 2, 024706.

Research output: Contribution to journalArticleResearchpeer-review

Self assembled monolayers
assembly
Adsorbates
Potential energy surfaces
Molecules

Orientation-dependent work-function modification using substituted pyrene-based acceptors

Hofmann, O. T., Glowatzki, H., Bürker, C., Rangger, G. M., Bröker, B., Niederhausen, J., Hosokai, T., Salzmann, I., Blum, R. P., Rieger, R., Vollmer, A., Rajput, P., Gerlach, A., Müllen, K., Schreiber, F., Zojer, E., Koch, N. & Duhm, S., 2017, In : Journal of Physical Chemistry C. 121, 39

Research output: Contribution to journalArticleResearchpeer-review

Pyrene
pyrenes
Crystal orientation
Electron affinity
electron affinity

Structure Prediction for Surface-Induced Phases of Organic Monolayers: Overcoming the Combinatorial Bottleneck

Obersteiner, V., Scherbela, M., Hörmann, L., Wegner, D. & Hofmann, O. T., 12 Jul 2017, In : Nano Letters. 17, 7, p. 4453-4460 8 p.

Research output: Contribution to journalArticleResearchpeer-review

Monolayers
Molecules
Geometry
geometry
predictions
2016

Complex Stoichiometry-Dependent Reordering of 3,4,9,10-Perylenetetracarboxylic Dianhydride on Ag(111) upon K Intercalation

Zwick, C., Baby, A., Gruenewald, M., Verwüster, E., Hofmann, O., Forker, R., Fratesi, G., Brivio, G. P., Zojer, E. & Fritz, T., 2016, In : ACS Nano. 10, p. 2365

Research output: Contribution to journalArticleResearchpeer-review

Enforcing the linear behavior of the total energy with hybrid functionals: Implications for charge transfer, interaction energies, and the random-phase approximation

Atalla, V., Zhang, I. Y., Hofmann, O. T., Ren, X., Rinke, P. & Scheffler, M., 2016, In : Physical Review / B. 94, 3, p. 035140 1 p.

Research output: Contribution to journalArticleResearchpeer-review

On the adsorption behavior of nonplanar phthalocyanines: Competition of different adsorption conformations

Wruß, E., Hofmann, O., Egger, D., Verwüster, E., Gerlach, A., Schreiber, F. & Zojer, E., 2016, In : The journal of physical chemistry (Washington, DC) / C. 120, p. 6869

Research output: Contribution to journalArticleResearchpeer-review

Sticking with the Pointy End? Molecular Configuration of Chloro Boron-Subphthalocyanine on Cu(111)

Ilyas, N., Harivyasi, S. S., Zahl, P., Cortes, R., Hofmann, O. T., Sutter, P., Zojer, E. & Monti, O. L. A., 7 Apr 2016, In : Journal of Physical Chemistry C. 120, 13, p. 7113-7121 9 p.

Research output: Contribution to journalArticleResearchpeer-review

Boron
boron
Scanning tunneling microscopy
Molecules
Adsorption

Understanding Chemical vs. Electrostatic Shifts in X-ray Photoelectron Spectra of Organic Self-Assembled Monolayers

Taucher, T., Hehn, I., Hofmann, O., Zharnikov, M. & Zojer, E., 2016, In : The journal of physical chemistry (Washington, DC) / C. p. 3428-3437

Research output: Contribution to journalArticleResearchpeer-review

2015

Electronic Properties of Biphenylthiolates on Au(111): The impact of coverage revisited

Verwüster, E., Hofmann, O., Egger, D. & Zojer, E., 2015, In : The journal of physical chemistry (Washington, DC) / C. 119, p. 7817-ff

Research output: Contribution to journalArticleResearchpeer-review

Integer versus Fractional Charge Transfer at Metal(/Insulator)/Organic Interfaces: Cu(/NaCl)/TCNE

Hofmann, O., 2015, In : ACS Nano. 9, 5, p. 5391-5404

Research output: Contribution to journalArticleResearchpeer-review

Local aspects of hydrogen-induced metallization of the ZnO(101¯0) surface

Hofmann, O., 2015, In : Physical Review / B. 91, p. 235313-1 -235313-9

Research output: Contribution to journalArticleResearchpeer-review

Multiscale approach to the electronic structure of doped semiconductor surfaces

Hofmann, O., 2015, In : Physical Review / B. p. 075311-1-075311-16

Research output: Contribution to journalArticleResearchpeer-review

nfluence of hydrogen on the structure and stability of ultra-thin ZnO on metal substrates

Hofmann, O., 2015, In : Applied Physics Letters. p. 131602-1 -131602-4

Research output: Contribution to journalArticleResearchpeer-review

Postadsorption Work Function Tuning via Hydrogen Pressure Control

Edlbauer, H., Zojer, E. & Hofmann, O. T., 3 Dec 2015, In : The journal of physical chemistry (Washington, DC) / C. 119, 48, p. 27162-27172 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Pressure control
mixing ratios
Hydrogen
Tuning
tuning

Post-Adsorption Work Function Tuning via Hydrogen Pressure Control

Edlbauer, H., Zojer, E. & Hofmann, O., 2015, In : The journal of physical chemistry (Washington, DC) / C. 119, p. 27162-ff

Research output: Contribution to journalArticleResearchpeer-review

2012

Dimensionality effects in the electronic structure of organic semiconductors consisting of polar repeat units

Rissner, F., Natan, A., Egger, D., Hofmann, O., Kronik, L. & Zojer, E., 2012, In : Organic electronics. 13, p. 3165-ff

Research output: Contribution to journalArticleResearchpeer-review

Radical self-assembled monolayers on Au(111) formed by the adsorption of closed-shell molecules

Rissner, F., Ma, Z., Hofmann, O., Slugovc, C., Shuai, Z. & Zojer, E., 2012, In : Journal of materials chemistry. 22, p. 4269-4272

Research output: Contribution to journalArticleResearchpeer-review

2011

Orientational Ordering of Non-Planar Phthalocyanines on Cu(111): Strength and Orientation of the Electric Dipole Moment

Gerlach, A., Hosokai, T., Duhm, S., Kera, S., Hofmann, O., Zojer, E., Zegenhagen, J. & Schreiber, F., 2011, In : Physical Review Letters. 106, p. 156102-ff

Research output: Contribution to journalArticleResearchpeer-review

2010

Analyzing the bonding between conjugated organic molecules and noble metal surfaces using orbital overlap populations

Rangger, G., Romaner, L., Hofmann, O., Heimel, G., Ramsey, M. & Zojer, E., 2010, In : Journal of chemical theory and computation. 6, p. 3481-ff

Research output: Contribution to journalArticleResearchpeer-review

A particularly strong organic acceptor for tuning the hole-injection barriers in modern organic devices

Rangger, G., Hofmann, O., Bröker, B. & Zojer, E., 2010, In : Synthetic metals. 160, p. 1456-ff

Research output: Contribution to journalArticleResearchpeer-review

Density-dependent reorientation and rehybridization of chemisorbed conjugated molecules for controlling interface electronic structure

Bröcker, B., Hofmann, O., Rangger, G., Frank, P., Blum, R., Rieger, R., Venema, L., Vollmer, A., Müllen, K., Rabe, J. P., Winkler, A., Rudolf, P., Zojer, E. & Koch, N., 2010, In : Physical Review Letters. 104, p. 246805-ff

Research output: Contribution to journalArticleResearchpeer-review

Self-assembled monolayers of polar molecules on Au(111) surfaces: distributing the dipoles

Egger, D., Rissner, F., Rangger, G., Hofmann, O., Wittwer, L., Heimel, G. & Zojer, E., 2010, In : Physical chemistry, chemical physics. 12, p. 4291-ff

Research output: Contribution to journalArticleResearchpeer-review

Simultaneously Understanding the Geometric and Electronic Structure of Anthraceneselenolate on Au(111): A Combined Theoretical and Experimental Study

Track, A. M., Rissner, F., Heimel, G., Romaner, L., Käfer, D., Bashir, A., Rangger, G., Hofmann, O., Bucko, T., Witte, G. & Zojer, E., 2010, In : The journal of physical chemistry (Washington, DC) / C. 114, p. 2677-ff

Research output: Contribution to journalArticleResearchpeer-review

The Role of van der Waals Interactions Among Organic Adsorbates and in Organic/Inorganic Interfaces

Tkatchenko, A., Romaner, L., Hofmann, O., Zojer, E., Ambrosch-Draxl, C. & Scheffler, M., 2010, In : MRS bulletin. 35, p. 435-ff

Research output: Contribution to journalArticleResearchpeer-review

Tunable Phosphorescent NIR Oxygen Indicators Based on Mixed Benzo- and Naphthoporphyrin Complexes

Niedermair, F., Borisov, S., Zenkl, G., Hofmann, O., Weber, H., Saf, R. & Klimant, I., 2010, In : Inorganic chemistry. 49, p. 9333-9342

Research output: Contribution to journalArticleResearchpeer-review

Work-function modification beyond pinning: When do molecular dipoles count ?

Hofmann, O., Egger, D. & Zojer, E., 2010, In : Nano Letters. 10, 11, p. 4369-4374

Research output: Contribution to journalArticleResearchpeer-review

2009

A high molecular weight donor for electron injection interlayers on metal electrodes

Bröker, B., Blum, R-P., Beverina, L., Hofmann, O., Sassi, M., Ruffo, R., Pagani, G. A., Heimel, G., Vollmer, A., Frisch, J., Rabe, J. P., Zojer, E. & Koch, N., 2009, In : ChemPhysChem. 10, p. 2947-ff

Research output: Contribution to journalArticleResearchpeer-review

F4TCNQ on Cu, Ag, and Au as prototypical example for a strong organic acceptor on coinage metals

Rangger, G., Hofmann, O., Romaner, L., Heimel, G., Bröker, B., Blum, R-P., Johnson, R. L., Koch, N. & Zojer, E., 2009, In : Physical Review / B. 79, 16, p. 165306-1-165306-12

Research output: Contribution to journalArticleResearchpeer-review

Understanding the electronic structure of metal/SAM/organic-semiconductor heterojunctions

Rissner, F., Rangger, G., Hofmann, O., Track, A. M., Heimel, G. & Zojer, E., 2009, In : ACS Nano. 3, p. 3513-ff

Research output: Contribution to journalArticleResearchpeer-review

2008

Gold work function reduction by 2.2 eV with an air-stable molecular donor layer

Bröker, B., Blum, R-P., Frisch, J., Vollmer, A., Hofmann, O., Rieger, R., Müllen, K., Rabe, J. P., Zojer, E. & Koch, N., 2008, In : Applied Physics Letters. 93, p. 243303-ff

Research output: Contribution to journalArticleResearchpeer-review

"Soft" metallic contact to isolated C60 molecules

Glowatzki, H., Bröker, B., Blum, R-P., Hofmann, O., Vollmer, A., Rieger, R., Müllen, K., Zojer, E., Rabe, J. P. & Koch, N., 2008, In : Nano Letters. 8, p. 3825-ff

Research output: Contribution to journalArticleResearchpeer-review

Synthesis and Photophysical Properties of 3,6-Diphenyl-9-hexyl-9H-carbazole Derivatives Bearing Electron Withdrawing Groups

Kremser, G., Hofmann, O., Sax, S., Kappaun, S., List, E., Zojer, E. & Slugovc, C., 2008, In : Monatshefte für Chemie = Chemical monthly. 139, p. 223-231

Research output: Contribution to journalArticleResearchpeer-review