Self-filtering narrowband high performance organic photodetectors enabled by manipulating localized Frenkel exciton dissociation
B **e, R **e, K Zhang, Q Yin, Z Hu, G Yu… - Nature …, 2020 - nature.com
The high binding energy and low diffusion length of photogenerated Frenkel excitons have
long been viewed as major drawbacks of organic semiconductors. Therefore, bulk …
long been viewed as major drawbacks of organic semiconductors. Therefore, bulk …
Putting order into PM6: Y6 solar cells to reduce the Langevin recombination in 400 nm thick junction
Increasing the active layer thickness without sacrificing the power conversion efficiency
(PCE) is one of the great challenges faced by organic solar cells (OSCs) for …
(PCE) is one of the great challenges faced by organic solar cells (OSCs) for …
Relationship between Energetic Disorder and Reduced Recombination of Free Carriers in Organic Solar Cells
Reducing non‐radiative recombination is key to achieve high fill factors (FFs) in organic
solar cells. While it is generally accepted that recombination proceeds via charge transfer …
solar cells. While it is generally accepted that recombination proceeds via charge transfer …
Explaining the fill‐factor and photocurrent losses of nonfullerene acceptor‐based solar cells by probing the long‐range charge carrier diffusion and drift lengths
Organic solar cells (OSC) nowadays match their inorganic competitors in terms of current
production but lag behind with regards to their open‐circuit voltage loss and fill‐factor, with …
production but lag behind with regards to their open‐circuit voltage loss and fill‐factor, with …
Dark current reduction strategy via a layer-by-layer solution process for a high-performance all-polymer photodetector
The ideal bulk-heterojunction for high-performance organic photodetectors prefers a
morphology with a vertically gradient component to suppress the leaking current. Here, we …
morphology with a vertically gradient component to suppress the leaking current. Here, we …
Decoding charge recombination through charge generation in organic solar cells
The in‐depth understanding of charge carrier photogeneration and recombination
mechanisms in organic solar cells is still an ongoing effort. In donor: acceptor (bulk) …
mechanisms in organic solar cells is still an ongoing effort. In donor: acceptor (bulk) …
High-performance all-polymer photodetectors via a thick photoactive layer strategy
To achieve high detectivity in all-polymer photodetectors (all-PPDs), a thick-film photoactive
layer is favored because it can effectively suppress the dark current density. However, if the …
layer is favored because it can effectively suppress the dark current density. However, if the …
How to reduce charge recombination in organic solar cells: There are still lessons to learn from P3HT: PCBM
Suppressing charge recombination is key for organic solar cells to become commercial
reality. However, there is still no conclusive picture of how recombination losses are …
reality. However, there is still no conclusive picture of how recombination losses are …