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Deuteration-enhanced neutron contrasts to probe amorphous domain sizes in organic photovoltaic bulk heterojunction films

Deuteration-enhanced neutron contrasts to probe amorphous domain sizes in organic photovoltaic bulk heterojunction films This study unveils the amorphous nanomorphology of organic photovoltaics, employing neutron scattering and deuteration to enhance organic donor and acceptor contrast. It uncovers Y6's short-range aggregation within amorphous intermixed regions, pivotal for charge extraction and recombination.

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