The Columbia EFRC - Lenfest Center for Sustainable Energy ...
The Columbia EFRC - Lenfest Center for Sustainable Energy ...
The Columbia EFRC - Lenfest Center for Sustainable Energy ...
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Organic Photovoltaics: Plastic Photocells.<br />
donor-acceptor junction<br />
polymer donor<br />
MDMO-PPV<br />
Opportunities<br />
inexpensive materials, con<strong>for</strong>mal coating, self-assembling fabrication,<br />
wide choice of molecular structures, “cheap solar paint”<br />
Challenges<br />
low efficiency (2-5%), high defect density, low mobility, full<br />
absorption spectrum, nanostructured architecture<br />
Source: George Crabtree, Solar <strong>Energy</strong>Challenges and Opportunities<br />
(<br />
O<br />
O<br />
) n<br />
fullerene acceptor<br />
PCBM<br />
O<br />
OMe<br />
file: <strong>Lenfest</strong> Symp 05-04-10 rev b.ppt Page 8