WebApr 11, 2024 · The geminate or nongeminate charge recombination rates of the PBDTfDTBT and PBDTfDTBSe blends with PC[70]BM were fitted reasonably well for all fluences, but considerably high recombination rate ... WebMar 23, 2010 · Geminate and bulk charge recombination in organic solar cells are extensively studied because they are major loss processes for cell efficiency. It was recently found that the observed bulk charge recombination rate constants in organic solar cells are more than 3 orders of magnitude smaller than those predicted from Langevin theory.
[2106.06793] General Rules for the Impact of Energetic Disorder …
WebFor a solar cell absorber to reach its theoretical maximum efficiency, the following requirements must be met: (1) the material must generate charge efficiently following the … WebJun 16, 2024 · However, the quantification of the magnitude of non-geminate recombination losses in PSCs remains controversial. 4 Some reports believed that the non-geminate recombination is unimportant in PSCs because the non-geminate recombination coefficient is several orders of magnitude smaller than predicted using a … embassy records uk
Suppression of trap assisted non-geminate recombination by ...
WebJun 9, 2024 · Genetic recombination is the transmission-genetic process by which the combinations of alleles observed at different loci in two parental individuals become … WebFeb 20, 2024 · The process is mainly governed by the electron-phonon interaction in hexacene. On the other hand, the non-geminate recombination is of bimolecular origin through energy transfer. In the triplet-triplet bimolecular process, the rates along the two different optical axes in the a-b crystalline plane differ by a factor of 4. This anisotropy in … WebJun 17, 2024 · Charge carrier lifetime ( τn ), density ( n) and non-geminate recombination rate ( krec) in the photoactive layers were measured by employing transient photovoltage … embassy records management college station