Search Results - "Muellen, K"

Negative Thermal Expansion in Discotic Liquid Crystals of Nanographenes by Grigoriadis, C., Haase, N., Butt, H.-J., Müllen, K., Floudas, G.

“…Hexa‐peri‐hexabenzocoronene derivatives show a record high negative volumetric thermal expansion coefficient within the crystalline phase. Responsible for the…”
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Structural properties of the active layer of discotic hexabenzocoronene/perylene diimide bulk hetero junction photovoltaic devices: The role of alkyl side chain length by Al-Hussein, M., Hesse, H.C., Weickert, J., Dössel, L., Feng, X., Müllen, K., Schmidt-Mende, L.

“…We investigate thin blend films of phenyl-substituted hexa-peri-hexabenzocoronenes (HBC) with various alkyl side chain lengths ((CH 2)n, n = 6, 8, 12 and…”
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Channel selective tunnelling through a nanographene assembly by Wong, H S, Feng, X, Müllen, K, Chandrasekhar, N, Durkan, C

“…We report selective tunnelling through a nanographene intermolecular tunnel junction achieved via scanning tunnelling microscope tip functionalization with…”
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Dynamics and Kinetics of Structure Formation in Molecularly Tethered Fluorocarbon/Hydrocarbon Amphiphiles by Elmahdy, M. M, Clark, C. G, Butt, H.-J, Müllen, K, Floudas, G

“…Biphasic fluorocarbon/hydrocarbon amphiphiles tethered to cores at distances commensurate with their packing requirement can provide thermodynamic pathways…”
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Properties of amphiphilic oligonucleotide films at the air/water interface and after film transfer by Keller, R., Kwak, M., de Vries, J.W., Sawaryn, C., Wang, J., Anaya, M., Müllen, K., Butt, H.-J., Herrmann, A., Berger, R.

“…•Self-assembly at the air/water interface into mono-, bi- and multilayers.•Preparation of highly functional thin films with DNA facing the air interface for…”
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Charge transfer in the novel donor–acceptor complexes tetra- and hexamethoxypyrene with tetracyanoquinodimethane studied by HAXPES by Medjanik, K., Gloskovskii, A., Kutnyakhov, D., Felser, C., Chercka, D., Baumgarten, M., Müllen, K., Schönhense, G.

“…► The effect of charge transfer in TMP/HMP–TCNQ complexes was studied using HAXPES. ► We examine changes in the core level spectra of TMP/HMP–TCNQ complexes. ►…”
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Stabilization of bimolecular islands on ultrathin NaCl films by a vicinal substrate by Cañas-Ventura, M.E., Xiao, W., Ruffieux, P., Rieger, R., Müllen, K., Brune, H., Fasel, R.

“…The structure of ultrathin NaCl films on Au(1 1 1) and on Au(11 12 12), as well as the one of bimolecular 3,4,9,10-perylenetetracarboxylic diimide (PTCDI) and…”
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Forever young: polycyclic aromatic hydrocarbons as model cases for structural and optical studies by Rieger, R., Müllen, K.

“…Polycyclic aromatic hydrocarbons (PAHs) are popular research subjects due to their high stability, their rigid planar structure, and their characteristic…”
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Electronic structure of spatially aligned graphene nanoribbons on Au(788) by Linden, S, Zhong, D, Timmer, A, Aghdassi, N, Franke, J H, Zhang, H, Feng, X, Müllen, K, Fuchs, H, Chi, L, Zacharias, H

“…We report on a bottom-up approach of the selective and precise growth of subnanometer wide straight and chevron-type armchair nanoribbons (GNRs) on a stepped…”
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Overtone and combination features of G and D peaks in resonance Raman spectroscopy of the C78H26 polycyclic aromatic hydrocarbon by Maghsoumi, A., Brambilla, L., Castiglioni, C., Müllen, K., Tommasini, M.

“…We have studied the Raman spectra of C78H26, a polycyclic aromatic hydrocarbon with D2h symmetry point group resembling a longitudinally confined graphene…”
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Surface-Specific Spectroscopy of Water at a Potentiostatically Controlled Supported Graphene Monolayer by Dreier, L. B, Liu, Z, Narita, A, van Zadel, M.-J, Müllen, K, Tielrooij, K.-J, Backus, E. H. G, Bonn, M

“…Knowledge of the structure of interfacial water molecules at electrified solid materials is the first step toward a better understanding of important processes…”
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Fluorescence from graphene nanoribbons of well-defined structure by Zhao, S., Rondin, L., Delport, G., Voisin, C., Beser, U., Hu, Y., Feng, X., Müllen, K., Narita, A., Campidelli, S., Lauret, J.S.

“…Graphene nanoribbons synthesized by the bottom-up approach with optical energy gaps in the visible are investigated by means of optical spectroscopy. The…”
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Orientation-Dependent Work-Function Modification Using Substituted Pyrene-Based Acceptors by 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

“…The adsorption of molecular acceptors is a viable method for tuning the work function of metal electrodes. This, in turn, enables adjusting charge injection…”
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Repulsion between molecules on a metal: Monolayers and submonolayers of hexa- peri -hexabenzocoronene on Au(111) by Wagner, C., Kasemann, D., Golnik, C., Forker, R., Esslinger, M., Müllen, K., Fritz, T.

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Overtone and combination features of G and D peaks in resonance Raman spectroscopy of the C sub(78)H sub(26) polycyclic aromatic hydrocarbon by Maghsoumi, A, Brambilla, L, Castiglioni, C, Muellen, K, Tommasini, M

“…We have studied the Raman spectra of C sub(78)H sub(26), a polycyclic aromatic hydrocarbon with D sub(2h) symmetry point group resembling a longitudinally…”
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Fluorescence depolarization in poly(p-phenylphenylenevinylene) and related oligomers by Hennecke, M, Damerau, T, Muellen, K

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Tuning the Work Function of Graphene-on-Quartz with a High Weight Molecular Acceptor by Christodoulou, C, Giannakopoulos, A, Nardi, M. V, Ligorio, G, Oehzelt, M, Chen, L, Pasquali, L, Timpel, M, Giglia, A, Nannarone, S, Norman, P, Linares, M, Parvez, K, Müllen, K, Beljonne, D, Koch, N

“…Ultraviolet and X-ray photoelectron spectroscopies in combination with density functional theory (DFT) calculations were used to study the change in the work…”
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Fabrication of three terminal devices by ElectroSpray deposition of graphene nanoribbons by Fantuzzi, P., Martini, L., Candini, A., Corradini, V., del Pennino, U., Hu, Y., Feng, X., Müllen, K., Narita, A., Affronte, M.

“…Electrospray deposition (ESD) in ambient conditions has been used to deposit graphene nanoribbons (GNRs) dispersed in liquid phase on different types of…”
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Direct imaging of intrinsic molecular orbitals using two-dimensional, epitaxially-grown, nanostructured graphene for study of single molecule and interactions by Zhou, H. T., Mao, J. H., Li, G., Wang, Y. L., Feng, X. L., Du, S. X., Müllen, K., Gao, H.-J.

“…Using epitaxially grown graphene on Ru(0001) as a buffer layer, the intrinsic molecular orbitals of perylene-3,4,9,10-tetracarboxylic dianhydride, pentacene,…”
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A donor-type cyclophane with a strongly bent tetrathiafulvalene unit by Roehrich, J, Muellen, K

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