Fullerene Pcbm
Fullerene Pcbm - Related Videos
09:45
Photodynamic Therapy with Blended Conducting Polymer/Fullerene Nanoparticle Photosensitizers
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Cited by 2 •
2015
This protocol describes a method for the fabrication of conducting polymer nanoparticles blended with fullerene. These nanoparticles were investigated for their potential use as a next generation photosensitizers for Photodynamic Therapy (PDT).
08:59
Concurrent Quantitative Conductivity and Mechanical Properties Measurements of Organic Photovoltaic Materials using AFM
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Cited by 3 •
2013
Organic photovoltaic (OPV) materials are inherently inhomogeneous at the nanometer scale. Nanoscale inhomogeneity of OPV materials affects performance of photovoltaic devices. In this paper, we describe a protocol for quantitative measurements of electrical and mechanical properties of OPV materials with sub-100 nm resolution.
08:07
Ultrahigh Density Array of Vertically Aligned Small-molecular Organic Nanowires on Arbitrary Substrates
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Cited by 3 •
2013
We report a simple method for fabricating an ultrahigh density array of vertically ordered small-molecular organic nanowires. This method allows for synthesis of complex heterostructured hybrid nanowire geometries, which can be inexpensively grown on arbitrary substrates. These structures have potential applications in organic electronics, optoelectronics, chemical sensing, photovoltaics and spintronics.
13:58
Probing C84-embedded Si Substrate Using Scanning Probe Microscopy and Molecular Dynamics
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Cited by 1 •
2016
This paper reports the nanomaterial fabrication of a fullerene Si substrate inspected and verified by nanomeasurements and molecular dynamic simulation.
10:16
Optical Control of Living Cells Electrical Activity by Conjugated Polymers
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Cited by 6 •
2016
A method for stimulation of in-vitro cell cultures electrical activity with visible light, based on the use of organic semiconducting polymers is described.
FAQs
The fullerene carbon cage acts as an electron-deficient acceptor, so photoexcited states formed in a neighboring conjugated donor can transfer electrons to PCBM. This transfer creates spatially separated electrons and holes rather than leaving the excitation localized on the donor. The resulting charge-separated state is central to studying charge-transfer behavior and electron transport in organic electronic materials.
The phenyl-butyric acid methyl ester group improves the fullerene derivative’s solubility without removing the cage’s electron-accepting function. Greater solubility allows PCBM to be combined with conjugated donor polymers and processed from solution. This molecular modification therefore connects chemical structure with practical film formation and supports the preparation of organic electronic devices.
Light absorption initially produces excitons, which are bound excited states involving an electron and a hole. In a donor-PCBM blend, the exciton can transfer an electron to the electron-accepting fullerene, producing separated charge carriers. This interfacial process helps reduce the likelihood that the excitation remains localized and supports subsequent electron transport toward an electrode.
PCBM is combined with a conjugated donor polymer to form a solution-processable blend. The blend can then be used to fabricate organic photovoltaic structures and related electronic materials through solution-based processing. Within the resulting material, the donor supports light absorption and exciton generation, while PCBM provides an electron-accepting and electron-transport pathway toward an electrode.
PCBM supports solution-processed solar cells, photodetectors, and related organic electronic devices. In solar-cell blends, it helps accept and transport electrons generated after light absorption. In photodetectors, the same charge-transfer and transport behavior contributes to converting optical excitation into separated charge carriers. These applications make PCBM a useful model material for comparing device performance.
PCBM links molecular design to measurable electronic behavior. Researchers can examine how an electron-deficient carbon cage, a solubilizing ester substituent, conjugated donor polymers, and donor-acceptor interfaces work together. Studying these relationships helps clarify charge separation and transport in organic semiconductors, while also showing how chemical functionalization can enable practical solution processing.