Zobrazeno 1 - 10 of 78 pro vyhledávání: '"Tony Khoury"'
2
Increased upconversion performance for thin film solar cells: a trimolecular composition
Autor: Gordon G. Wallace, Tony Khoury, Andrew Nattestad, T. F. Schulze, Burkhard Fückel, Timothy W. Schmidt, Klaus Lips, Yuen Yap Cheng, Rowan W. MacQueen, Maxwell J. Crossley
Publikováno v: Chemical Science
A dual-emitter upconvertor is applied to thin-film solar cells for the first time, generating record figures of merit.
Photochemical upconversion based on triplet–triplet annihilation (TTA-UC) is employed to enhance the short-circuit currents
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1a716d666aefa870ce8bc941418baec8
https://doi.org/10.1039/c5sc03215f
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3
Formation mechanism of polyaniline self-assembled needles and urchin-like structures assisted by magnesium oxide
Autor: Michael Ibrahim, Tony Khoury, Maria Bassil, Philippe Miele, Umit B. Demirci, Mario El Tahchi
Publikováno v: Polymer International. 64:505-512
The polyaniline (PANI) morphological structure is strongly correlated with the preparation procedure, yielding diverse geometries such as nano-tubes, belts, rods, fibres and particles. In this study, the synthesis of a novel PANI morphology of consis
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::352817f450e6bf2572358709ce1512d9
https://doi.org/10.1002/pi.4818
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4
Kinetic insight into bimolecular upconversion: experiment and simulation
Autor: Timothy W. Schmidt, Tony Khoury, Roland B. Piper, Daniel J. Farrell, Megumi Yoshida, Maxwell J. Crossley, Saif A. Haque, Nicholas J. Ekins-Daukes
Publikováno v: RSC Adv.. 4:8059-8063
We demonstrate a transient rate model for photochemical upconversion that links the internal energy transfer and triplet–triplet annihilation processes to spectroscopically measurable quantities, such as delayed fluorescence and bleaching. We confi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c31904b282f8fc4b4719fcf5f1ad0def
https://doi.org/10.1039/c3ra46953k
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5
Gold(III) Porphyrins Containing Two, Three, or Four β,β′-Fused Quinoxalines. Synthesis, Electrochemistry, and Effect of Structure and Acidity on Electroreduction Mechanism
Autor: Paul J. Sintic, Weihua Zhu, Tony Khoury, Yuanyuan Fang, Karl M. Kadish, Maxwell J. Crossley, Zhongping Ou
Publikováno v: Inorganic Chemistry. 52:2474-2483
Gold(III) porphyrins containing two, three, or four β,β'-fused quinoxalines were synthesized and examined as to their electrochemical properties in tetrahydrofuran (THF), pyridine, CH2Cl2, and CH2Cl2 containing added acid in the form of trifluoroac
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff4bccc96008ba77788555d4c2332a3e
https://doi.org/10.1021/ic302380z
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6
Polymorphism in porphyrin monolayers: the relation between adsorption configuration and molecular conformation
Autor: Maxwell J. Crossley, Jeffrey R. Reimers, Duncan den Boer, Michiel J. J. Coenen, Bas L. M. Hendriksen, Thomas Habets, Dwi Panduwinata, Johannes A. A. W. Elemans, Sylvia Speller, Tony Khoury, Willem J. P. van Enckevort, Koen A. A. M. Timmers, Minko van der Maas, Fieke J. van den Bruele
Publikováno v: PCCP Physical Chemistry Chemical Physics, 15, 12451-12458
PCCP Physical Chemistry Chemical Physics, 15, pp. 12451-12458
Physical Chemistry Chemical Physics
Self-assembled monolayers of meso-5,10,15,20-tetrakis(undecyl)porphyrin copper(ii) on a graphite/1-octanoic acid interface have been studied by Scanning Tunnelling Microscopy. Four distinct polymorphs were observed, varying in their unit cell size. A
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e55ac6047dc0eb7aadec900d9df91ee
https://hdl.handle.net/2066/117163
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7
Probing the electronic structure of -fused quinoxalino porphyrins and tetraazaanthracene-bridged bis-porphyrins with resonance Raman spectroscopy and density functional theory
Autor: Tony Khoury, Anastasia B. S. Elliott, Keith C. Gordon, Maxwell J. Crossley
Publikováno v: Journal of Molecular Structure. 1029:187-198
A number of π -extended porphyrins and bis-porphyrins were characterised by resonance Raman spectroscopy and density functional theory (DFT) calculations, using both B3LYP and CAM-B3LYP functionals. Single porphyrin species, incorporating a β , β
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7f133ef20571e32c0741d35ad7633a40
https://doi.org/10.1016/j.molstruc.2012.06.017
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8
Efficiency Enhancement of Organic and Thin-Film Silicon Solar Cells with Photochemical Upconversion
Autor: Burkhard Fückel, Bernd Stannowski, Tony Khoury, Alexander Colsmann, Klaus Lips, Timothy W. Schmidt, Jens Czolk, Rowan W. MacQueen, T. F. Schulze, Yuen Yap Cheng, Maxwell J. Crossley, Uli Lemmer
Publikováno v: The Journal of Physical Chemistry C. 116:22794-22801
The efficiency of thin-film solar cells with large optical band gaps, such as organic bulk heterojunction or amorphous silicon solar cells, is limited by their inability to harvest the (infra)red part of the solar spectrum. Photochemical upconversion
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e1b7a948ddf8136b54411a35c46322c7
https://doi.org/10.1021/jp309636m
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9
Unusual Multi-Step Sequential AuIII/AuII Processes of Gold(III) Quinoxalinoporphyrins in Acidic Non-Aqueous Media
Autor: Yuanyuan Fang, Weihua Zhu, Tony Khoury, Paul J. Sintic, Karl M. Kadish, Maxwell J. Crossley, Zhongping Ou
Publikováno v: Inorganic Chemistry. 50:12802-12809
The electrochemistry of gold(III) mono- and bis-quinoxalinoporphyrins was examined in CH(2)Cl(2) or PhCN containing 0.1 M tetra-n-butylammonium perchlorate (TBAP) before and after the addition of trifluoroacetic acid to solution. The investigated por
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f72870f76d54952561cc63fab6b42a7f
https://doi.org/10.1021/ic2019567
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10
Photoinduced Electron Transfer and Charge-Recombination in 2-Ureido-4[1H]-Pyrimidinone Quadruple Hydrogen-Bonded Porphyrin–Fullerene Assemblies
Autor: Sumin Wang, Maxwell J. Crossley, Tony Khoury, Mao-Lin Yu, Yang Fan, Ke Feng, Jian-Ping Zhang, Chen-Ho Tung, Li-Zhu Wu
Publikováno v: The Journal of Physical Chemistry C. 115:23634-23641
2-Ureido-4[1H]-pyrimidinone-bridged porphyrin–fullerene dyad assemblies I–II were designed and synthesized to investigate the intra-assembly photoinduced electron transfer (PET) via the quadruple complementary hydrogen bonds. Steady-state and tim
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a65ed359b92c3d3d84547b983120f918
https://doi.org/10.1021/jp207852j
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