WO2015061771 - EXCITON MANAGEMENT IN ORGANIC PHOTOVOLTAIC MULTI-DONOR ENERGY CASCADES. Publication Number WO/2015/061771 H01L 51/42 H01L 51/46 Title EXCITON MANAGEMENT IN ORGANIC PHOTOVOLTAIC MULTI-DONOR ENERGY CASCADES Abstract Disclosed herein are organic photosensitive optoelectronic devices,
Here, we attempt to resolve the ambiguity in the origin of V OC in cascade organic photovoltaics by demonstrating an organic small molecule planar cascade structure that exhibits V OC greater than the outermost HOMO-LUMO offset. Our cascade system is constructed with an outermost HOMO-LUMO offset that is lower in magnitude than the lowest
The energy-cascading multilayer donor region may drive exciton transfer from an anode to a dissociating interface while reducing exciton quenching, improving overlap with the solar spectrum, and minimizing polaron pair recombination,
The transport gap of energy cascade organic layers was measured. Thus, small-molecule OPVs are likely to have the first applications in the solar energy industry. Exciton management in organic photovoltaic multidonor energy cascades. Nano Lett.,
Enhanced photocurrent and open-circuit voltage in a 3-layer cascade organic solar cell. O.L. Griffith et al. Exciton management in organic photovoltaic multidonor energy cascades. Nano Lett. (2014) K. Cnops et al. 8.4% efficient fullerene-free organic solar cells exploiting long-range exciton energy transfer Reducing Energy Losses at
Patent: Exciton management in organic photovoltaic multi-donor energy cascades Title: Exciton management in organic photovoltaic multi-donor energy cascades Patent · Tue Apr 13 00:00:00 EDT 2021
Exciton management in phosphorescent organic light-emitting diodes is critical to the optimal design and performance of these devices. Here, the authors report a computational method to elucidate
The energy-cascading multilayer donor region may drive exciton transfer from an anode to a dissociating interface while reducing exciton quenching, improving overlap with the solar
Olga L. Griffith, Stephen R. Forrest, Exciton Management in Organic Photovoltaic Multidonor Energy Cascades, Nano Letters, 10.1021/nl501112z, 14, 5, (2353-2358), (2014). Crossref Timothy M. Burke, Michael D. McGehee, How High Local Charge Carrier Mobility and an Energy Cascade in a Three‐Phase Bulk Heterojunction Enable >90% Quantum
Although these organic materials have typical exciton diffusion lengths (6.4 nm for RUB, 9 nm for DBP, and 18.5 nm for C 60 acceptor) [15], [16], [17], their energy cascade structures allow for efficient exciton management. Similarly, Cnops et al. reported efficient OPVs using double nonfullerene acceptors of boron subphthalocyanine chloride
Exciton Management in Organic Photovoltaic Multidonor Energy Cascades These so-called "energy cascades" drive exciton transfer from the anode to the dissociating interface while reducing
Exciton Management in Organic Photovoltaic Multidonor Energy Cascades These so-called "energy cascades" drive exciton transfer from the anode to the dissociating interface while reducing
Canonical knowledge wiki about US Patent 10978654 Exciton management in organic photovoltaic multi-donor energy cascades. Create. Read about it here US Patent 10978654 Exciton management in organic photovoltaic multi-donor energy cascades. Overview Structured Data Issues Contributors Activity. Contents. Is a. Patent. Patent attributes
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These results suggest that energy level engineering in organic cascade solar cells can be leveraged to. Exciton management in organic photovoltaic multidonor energy cascades. Nano Lett. (2014) Solar Energy Materials
WO2015061771A1 - Exciton management in organic photovoltaic multi-donor energy cascades - Google Patents Exciton management in organic photovoltaic multi-donor energy cascades Download PDF Info Publication number WO2015061771A1.
The small energy gap increases the time allotted for energy to enter and cascade down the manifold when a UP state with low photon content is initially excited, creating the delayed rise of the
This result suggests that increasing the thickness of the layers involved in the energy cascade beyond the exciton diffusion length of the semiconducting polymer (<10 nm) diminished the advantage of the exciton collection by Förster energy transfer. Griffith O. L. & Forrest S. R. Exciton management in organic photovoltaic multidonor energy
Disclosed herein are organic photosensitive optoelectronic devices, such as organic photovoltaics, including a photoactive region, wherein the photo-active region contains an energy-cascading multilayer donor region. The energy-cascading multilayer donor region may drive exciton transfer from an anode to a dissociating interface while reducing exciton quenching,
A recombination and exciton loss mechanism is reported in organic solar cells involving energy transfer between charge transfer (CT) excitons and polarons, impacting photocurrent generation
Disclosed herein are organic photosensitive optoelectronic devices, such as organic EXCITON MANAGEMENT IN ORGANIC PHOTOVOLTAIC MULTI-DONOR ENERGY CASCADES . United States Patent Application 20160254471 -cascading multilayer donor region may drive exciton transfer from an anode to a dissociating interface while reducing exciton quenching
The U.S. Department of Energy''s Office of Scientific and Technical Information Journal Article: Exciton Management in Organic Photovoltaic Multidonor Energy Cascades.
1. An organic photosensitive optoelectronic device comprising: two electrodes in superposed relation; an organic photoactive region between the two electrodes, wherein the organic photoactive region comprises a first donor layer adjacent to a second donor layer, and an acceptor region adjacent to the second donor layer, wherein the first and second donor layers
Exciton management in organic photovoltaic multidonor energy cascades. Olga L. Griffith, Stephen R. Forrest. Research output: These so-called "energy cascades" drive exciton transfer from the anode to the dissociating interface while reducing exciton quenching and allowing improved overlap with the solar spectrum. Here we investigate the
Exciton management in organic photovoltaic multidonor energy cascades. PubMed. Griffith, Olga L; Forrest, Stephen R. 2014-05-14. Multilayer donor regions in organic photovoltaics show improved power conversion efficiency when arranged in decreasing exciton energy order from the anode to the acceptor interface. These so-called "energy cascades
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