2 research outputs found
Whats special about Y6; the working mechanism of neat Y6 organic solar cell
Non-fullerene acceptors (NFA) have delivered advance in bulk heterojunction
organic solar cell efficiencies, with the significant milestone of 20% now in
sight. However, these materials challenge the accepted wisdom of how organic
solar cells work. In this work we present neat Y6 device with efficiency above
4.5%. We thoroughly investigate mechanisms of charge generation and
recombination as well as transport in order to understand what is special about
Y6. Our data suggest Y6 generates bulk free charges, with ambipolar mobility,
which can be extracted in the presence of transport layersComment: 11 pages, 5 figure
What is special about Y6; the working mechanism of neat Y6 organic solar cells
International audienceNon-fullerene acceptors (NFAs) have delivered advancement in bulk heterojunction organic solar cell efficiencies, with a significant milestone of 20% now in sight. However, these materials challenge the accepted wisdom of how organic solar cells work. In this work we present a neat Y6 device with an efficiency above 4.5%. We thoroughly investigate mechanisms of charge generation and recombination as well as transport in order to understand what is special about Y6. Our data suggest that Y6 generates bulk free charges, with ambipolar mobility, which can be extracted in the presence of transport layers