Abstract
All-conjugated block copolymers, which can self-assemble into well-ordered morphologies, provide exciting opportunities to rationally design and control the nanoscale organization of electron-donor and electron-acceptor moieties in optoelectronic active layers. Here we report on the steady-state and time-resolved optical characterization of block copolymer films and solutions containing poly(3-hexylthiophene) as the donor block and poly(9,9- dioctylfluorene) with and without copolymerization with benzothiadiazole as the acceptor block. Transient absorption measurements suggest rapid charge transfer occurs in both systems, with higher efficiency observed in the latter composition. These results indicate that this class of materials has promise in preparing highly ordered bulk heterojunction all-polymer organic photovoltaic devices.
| Original language | English |
|---|---|
| Pages (from-to) | 9260-9266 |
| Number of pages | 7 |
| Journal | Journal of Physical Chemistry C |
| Volume | 115 |
| Issue number | 18 |
| DOIs | |
| Publication status | Published - May 12 2011 |
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ASJC Scopus subject areas
- Physical and Theoretical Chemistry
- Electronic, Optical and Magnetic Materials
- Surfaces, Coatings and Films
- Energy(all)
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Optoelectronic properties and charge transfer in donor-acceptor all-conjugated diblock copolymers. / Botiz, Ioan; Schaller, Richard D; Verduzco, Rafael; Darling, Seth B.
In: Journal of Physical Chemistry C, Vol. 115, No. 18, 12.05.2011, p. 9260-9266.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Optoelectronic properties and charge transfer in donor-acceptor all-conjugated diblock copolymers
AU - Botiz, Ioan
AU - Schaller, Richard D
AU - Verduzco, Rafael
AU - Darling, Seth B.
PY - 2011/5/12
Y1 - 2011/5/12
N2 - All-conjugated block copolymers, which can self-assemble into well-ordered morphologies, provide exciting opportunities to rationally design and control the nanoscale organization of electron-donor and electron-acceptor moieties in optoelectronic active layers. Here we report on the steady-state and time-resolved optical characterization of block copolymer films and solutions containing poly(3-hexylthiophene) as the donor block and poly(9,9- dioctylfluorene) with and without copolymerization with benzothiadiazole as the acceptor block. Transient absorption measurements suggest rapid charge transfer occurs in both systems, with higher efficiency observed in the latter composition. These results indicate that this class of materials has promise in preparing highly ordered bulk heterojunction all-polymer organic photovoltaic devices.
AB - All-conjugated block copolymers, which can self-assemble into well-ordered morphologies, provide exciting opportunities to rationally design and control the nanoscale organization of electron-donor and electron-acceptor moieties in optoelectronic active layers. Here we report on the steady-state and time-resolved optical characterization of block copolymer films and solutions containing poly(3-hexylthiophene) as the donor block and poly(9,9- dioctylfluorene) with and without copolymerization with benzothiadiazole as the acceptor block. Transient absorption measurements suggest rapid charge transfer occurs in both systems, with higher efficiency observed in the latter composition. These results indicate that this class of materials has promise in preparing highly ordered bulk heterojunction all-polymer organic photovoltaic devices.
UR - http://www.scopus.com/inward/record.url?scp=79955884616&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=79955884616&partnerID=8YFLogxK
U2 - 10.1021/jp201344p
DO - 10.1021/jp201344p
M3 - Article
AN - SCOPUS:79955884616
VL - 115
SP - 9260
EP - 9266
JO - Journal of Physical Chemistry C
JF - Journal of Physical Chemistry C
SN - 1932-7447
IS - 18
ER -