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Showing 1 to 20 of 43 for “"PCBM"”.
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Optimization and characterization of Organic Solar cells based on Regio-P3HT and C66-PCBM blends
… [6, 6] Phenyl-C61-butyric acid methyl ester (C60-PCBM) also referred to as PCBM. The optimization, realization and characterization of these cells were done on both glass and aluminium substrates. The aluminium provided a flexible substrate for the cells whilst the glass provided a rigid substrate …
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Optimization and characterization of Organic Solar cells based on Regio-P3HT and C66-PCBM blends
… [6, 6] Phenyl-C61-butyric acid methyl ester (C60-PCBM) also referred to as PCBM. The optimization, realization and characterization of these cells were done on both glass and aluminium substrates. The aluminium provided a flexible substrate for the cells whilst the glass provided a rigid substrate …
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Dual Spin-Cast Thermally Interdiffused Polymeric Photovoltaic Devices
… [6,6] phenyl C61 butyric acid methyl ester (PCBM) and poly (3-hexylthiophene-2,5-diyl) (P3HT)-PCBM interdiffused devices are studied in detail by varying the thickness of the donor and acceptor layers as well as the annealing conditions for initial polymer layer and the time and temperature …
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Morphology-Property Relationship for Binary Organic Thin Films
… on investigating the binary mixture of DH6T and PCBM thin films on HOPG through Atomic Force Microscopy (AFM) and Kelvin Probe Force Microscope (KPFM). Films of pure DH6T and pure PCBM and their mixture films were systematically analyzed to reveal topography and surface potential of different …
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Electrical and optical characterisation of bulk heterojunction polymer-fullerene solar cells
… - [6,6]-phenyl-C61 butyric acid methyl ester (PCBM), and P3HT:PCBM blends of selected ratios. Interface potential barriers were estimated from Fowler-Nordheim and /or Richardson-Schottky emission theories. In case of ohmic contacts, the current conduction was found to be limited by the low …
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Studies on the optimization of expression and purification & Functional characterization of Class C – GPCRs
… of a putative cholesterol binding motif (pCBM) in Drosophila metabotropic glutamate receptor (DmGluRA). This pCBM might be involved in regulating the binding of DmGluRA to glutamate with high affinity. During the study, it was inferred that a 12- amino-acid amphipathic peptide containing …
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SPECTROSCOPIC, IMAGING, AND DOPING STUDIES OF PUSH-PULL CONJUGATED POLYMER SOLAR CELLS
… with [6,6]-phenyl C61 butyric acid methyl ester (PCBM) and 1,8-octanedithiol (ODT). Absorption spectra suggest decreased polymer order in vi nanoparticles and increased polymer ordering in thin film blends with PCBM and ODT. Raman spectra collected at wavelengths spanning the entire absorption …
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High pressure spectroscopic studies of organic device materials
… bulkheterojunctions of P3HT or PhLPPP with PCBM, the photoluminescence and absorption spectra reveal that the LUMO band-edge off-set increases with pressure. Raman studies under pressure show that the molecular ordering is barely affected by pressure in the pristine P3HT, whereas the …
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Titanium dioxide (TiO2) as buffer layer in organic solar cell device
… and [6,6]-phenyl C61-butyric acid methyl ester (PCBM) blends is the most efficient fullerene derivative based donor-acceptor copolymer so far. Current conventional organic solar cell (OSC) device consist of active layers (donor and acceptor) sandwiched by indium tin oxide (ITO) (a high work …
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Optimization of sample preparation in Matrix-Assisted Laser Desorption/Ionization (MALDI) Mass Spectrometry of macromolecules
… of [6,6]-phenyl-C61-butyric acid methyl ester (PCBM) was developed by investigating the influence of the matrix, solvent, deposition method and matrix-to-analyte ratio. It was found that the application of dithranol as a matrix, lowest molar matrix:analyte ratio of 250:1, toluene as a solvent …
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Polymer and carbon nanotube materials for chemical sensors and organic electronics
… and phenyl-C61 -butyric acid methyl ester (PCBM), resulting from the strong hydrogen bonding interaction. Further X-ray diffraction studies of the polymers and their mixtures with PCBM demonstrate that the HFIP substitution prevents clean phase separation between the polythiophene and the …
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Simulation of polymer solar cell characteristics by amps-1d
… 6]-phenyl C61- butyric acid methylester (P3HT: PCBM) and poly[2,1,3-benzothiadiazole-4,7-diyl[4,4- bis(2-ethylhexyl)-4H-cyclopenta[2,1-b:3,4-b']dithiophene-2,6-diyl]]: [6, 6]-phenyl C_{61}- butyric acid methylester (PCPDTBT: PCBM) are used as active layer materials. Analysis of Microelectronic …
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Electrical characterization of organic devices: case study: polythiophene-fullerene based solar cells
… [6,6]-phenyl -C61 butyric acid methyl ester, (PCBM) as an acceptor, in a bulk heterojunction structure. Electrical and optical properties of these organic devices were studied together with the dependence of current-voltage characteristics on temperature and illumination intensity. The increase …
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Effects of Thickness, Morphology and Molecular Structure of Donor and Acceptor Layers in Thermally Interdiffused Polymer Photovoltaics
… [6,6]-phenyl C₆₁-butyric acid methyl ester (PCBM), a well-investigated acceptor for blend devices, is studied as an acceptor in concentration gradient devices. A method for spin-coating uniform bilayers of P3OT and PCBM, without solution damage to either layer, is presented. A thermal …
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PUSH-PULL COPOLYMERS IN THIN FILM FOR ELECTRONIC APPLICATION
… mixed with Phenyl-C61-butyric acid methyl ester (PCBM) allowing to improve the state-of-the-art power conversion efficiency of plastic P3HT/PCBM OSCs up to 4.46 %. Finally, preliminary results are shown on the application of Th4P-C60 based systems electrochemically co-deposited with hemin …
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Synthesis and Characterization of CdSe/ZnS Core/Shell Quantum Dot Sensitized PCPDTBT-P3HT:PCBM Organic Photovoltaics
… (P3HT), Phenyl-C61-butyric acid methyl ester (PCBM), and the low band-gap polymer Poly[2,6-(4,4-bis-(2- ethylhexyl)-4H-cyclopenta [2,1-b;3,4-b′]dithiophene)-alt-4,7(2,1,3-benzothiadiazole)] (PCPDTBT), we have fabricated devices with a wide spectral response and 3% power conversion efficiency in …
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Scanning Probe Microscopy Study of Molecular Self Assembly Behavior on Graphene Two-dimensional Material
… of phenyl-C61-butyric acid methyl ester (PCBM), C60, perylenetetracarboxylic dianhydride (PTCDA) and Gd3N@C80 on flat and rippled graphene 2D material by the experimental methods of scanning tunneling microscope (STM) and atomic force microscope (AFM) and by the theoretical method of …
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DESIGN, SYNTHESIS, AND CHARACTERIZATION OF NANOCOMPOSITES TO IMPROVE THE PERFORMANCE OF PHOTOVOLTAIC CELLS
… and [6,6]-phenyl-C61-butyric acid methyl ester (PCBM).
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Structure-Property Correlation of Electron Transport Materials in Organic Devices
… which Phenyl-C61-butyric acid methyl ester (PCBM) is the state-of-the-art n-type semiconductor used in OPV. For two fullerene derivatives, Bis-Phenyl-C61-butyric acid methyl ester (bis-PCBM) and Bis-o-quino-dimethane C60 (bis-oQDMC), the LUMO energy levels were higher compared to PCBM. As a …
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Kelvinsondenmikroskopie an organischen Dünnschicht-Halbleitern:Einfluss der Schichtprozessierung auf elektrische, optische und morphologische Eigenschaften organischer Solarzellen
… Basis des Polymer-Fulleren-Gemisches P3HT und PCBM. Neben der Variation der verwendeten Materialien (u.a. unterschiedliche Dotierungen und Molekulargewichte des Polymers) wurden Unterschiede in den Solarzellen durch die Wahl des verwendeten Lösungsmittels, der Wärmebehandlung im Anschluss an …
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