Donor End‐Capped Alkyl Chain Length Dependent Non‐Radiative Energy Loss in All‐Small‐Molecule Organic Solar Cells
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Materials"
DOI: 10.1002/adma.202207020
Abstract: A critical bottleneck for further efficiency breakthroughs in organic solar cells (OSCs) is to minimize the non‐radiative energy loss (eΔVnr) while maximizing the charge generation. With the development of highly emissive low‐bandgap non‐fullerene acceptors, the… read more here.
Keywords: energy loss; organic solar; solar cells; energy ... See more keywords
Understanding and Suppressing Non-radiative Recombination Losses in Non-fullerene Organic Solar Cells.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced materials"
DOI: 10.1002/adma.202302452
Abstract: Organic solar cells benefit from non-fullerene acceptors (NFA) due to their high absorption coefficients, tunable frontier energy levels and optical gaps, as well as their relatively high luminescence quantum efficiencies as compared to fullerenes. Those… read more here.
Keywords: organic solar; recombination; solar cells; non fullerene ... See more keywords
Reducing Non‐Radiative Voltage Losses by Methylation of Push–Pull Molecular Donors in Organic Solar Cells
Sign Up to like & getrecommendations! Published in 2021 at "Chemsuschem"
DOI: 10.1002/cssc.202100799
Abstract: Abstract Organic solar cells are approaching power conversion efficiencies of other thin‐film technologies. However, in order to become truly market competitive, the still substantial voltage losses need to be reduced. Here, the synthesis and characterization… read more here.
Keywords: organic solar; voltage; methylation; non radiative ... See more keywords
Mutual influence of Auger and non-radiative recombination processes under silicon femtosecond laser irradiation
Sign Up to like & getrecommendations! Published in 2017 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-017-0911-0
Abstract: The results of theoretical study of the contribution of recombination processes in additional heating of the surface of monocrystalline silicon during multipulse femtosecond laser processing are presented to discussion. The numerical evaluations are made in… read more here.
Keywords: femtosecond laser; non radiative; influence auger; recombination ... See more keywords
Triplet exciton formation for non-radiative voltage loss in high-efficiency nonfullerene organic solar cells
Sign Up to like & getrecommendations! Published in 2021 at "Joule"
DOI: 10.1016/j.joule.2021.04.002
Abstract: Summary Nonfullerene acceptor (NFA) organic solar cells (OSCs) with power conversion efficiency (PCE) reaching up to 18% has shown tremendous potential toward practical applications. However, the non-radiative recombination loss in high-efficiency NFA OSCs is evidently… read more here.
Keywords: solar cells; high efficiency; loss; organic solar ... See more keywords
Efficiency enhancement of Si nanostructure hybrid solar cells by optimizing non-radiative energy transfer from Si quantum dots
Sign Up to like & getrecommendations! Published in 2021 at "Nano Energy"
DOI: 10.1016/j.nanoen.2020.105728
Abstract: Abstract Non-radiative energy transfer (NRET) from silicon quantum dots (SiQDs) terminated with ligands is an effective way to improve solar cell efficiency. The NRET effect can be enhanced by minimizing the distance between SiQDs and… read more here.
Keywords: energy transfer; energy; non radiative; quantum dots ... See more keywords
Theoretical investigation on the phosphorescence quantum yields of cyclometalated (C∧N*) Pt(II) (acac) complexes: The impact of the position of the BMes2 moiety on the radiative and nonradiative decay processes
Sign Up to like & getrecommendations! Published in 2017 at "Organic Electronics"
DOI: 10.1016/j.orgel.2017.09.004
Abstract: Abstract The radiative and non-radiative decay processes of four cyclometalated (C ∧ N*)Pt(II)(acac) complexes were investigated by using the density functional theory/time dependent density functional theory (DFT/TD-DFT) approach. In order to explore the influence of… read more here.
Keywords: cyclometalated acac; decay; radiative decay; non radiative ... See more keywords
BF2-Oxasmaragdyrin Nanoparticles: A Non-toxic, Photostable, Enhanced Non-radiative Decay-Assisted Efficient Photothermal Cancer Theragnostic Agent.
Sign Up to like & getrecommendations! Published in 2020 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.0c13326
Abstract: Photothermal therapy (PTT), a simple and minimally invasive procedure, is an attractive option for cancer therapy. To date, inorganic agents have been widely employed as photothermal agents; however, organic molecules may provide a solution to… read more here.
Keywords: non toxic; bf2 oxasmaragdyrin; radiative decay; oxasmaragdyrin nanoparticles ... See more keywords
Enhanced Photodynamic of Carriers and Suppressed Charge Recombination Enable Approaching 18% Efficiency in Nonfullerene Organic Solar Cells.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c15661
Abstract: Regulation of the exciton generation, diffusion, and carrier transport, as well as optimization of the non-radiative energy loss could further overcome the power conversion efficiency limitation of organic solar cells. However, the relationship between exciton… read more here.
Keywords: exciton; energy loss; organic solar; radiative energy ... See more keywords
Efficient perovskite solar cells through suppressed non-radiative charge carrier recombination by processing additive.
Sign Up to like & getrecommendations! Published in 2019 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.9b15607
Abstract: It was reported that non-radiative charge carrier recombination in hybrid perovskite materials restricted device performance of perovskite solar cells. In this study, we report efficient perovskite solar cells through suppressed non-radiative charge carrier recombination by… read more here.
Keywords: perovskite solar; charge carrier; non radiative; solar cells ... See more keywords
Microscopic insight into non-radiative decay in perovskite semiconductors from temperature-dependent luminescence blinking
Sign Up to like & getrecommendations! Published in 2019 at "Nature Communications"
DOI: 10.1038/s41467-019-09640-w
Abstract: Organo-metal halide perovskites are promising solution-processed semiconductors, however, they possess diverse and largely not understood non-radiative mechanisms. Here, we resolve contributions of individual non-radiative recombination centers (quenchers) in nanocrystals of methylammonium lead iodide by studying… read more here.
Keywords: insight non; microscopic insight; radiative decay; decay perovskite ... See more keywords