Organic semiconductor nanoparticles for visible-light-driven CO2 conversion†
Mariia
Ferree, 
a
Catherine S. P.
De Castro,
a
Christopher E.
Petoukhoff,
a
Martin
Heeney
a
and
Frédéric
Laquai
*a
a
Catherine S. P.
De Castro,
a
Christopher E.
Petoukhoff,
a
Martin
Heeney
a
and
Frédéric
Laquai
*a
Abstract
We present an experimental proof-of-concept study of organic semiconductor nanoparticles (NPs) for visible-light-driven carbon dioxide (CO2) conversion. Donor:acceptor NPs, consisting of the conjugated polymer donor PM6 and small molecule electron acceptors, namely, PC71BM or Y6, decorated with silver as cocatalyst, produce CH4 with reaction rates of (3.6 ± 0.8) and (4.2 ± 1.4) μmol g−1 h−1, respectively. NPs consisting of PCE10 as donor polymer and ITIC as small molecule acceptor and decorated with gold as cocatalyst, exhibit CO production rates of (4.7 ± 1.2) μmol g−1 h−1. Importantly, the synergetic effect of efficient cocatalyst deposition and charge carrier generation within the NPs determines their photocatalytic activity.
- This article is part of the themed collection: Recent Open Access Articles
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