共 49 条
Cyclometalated Platinum Polymers: Synthesis, Photophysical Properties, and Photovoltaic Performance
被引:48
作者:

Clem, Tabitha A.
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Coll Chem, Berkeley, CA 94720 USA Univ Calif Berkeley, Coll Chem, Berkeley, CA 94720 USA

Kavulak, David F. J.
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h-index: 0
机构:
Univ Calif Berkeley, Coll Chem, Berkeley, CA 94720 USA
Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA Univ Calif Berkeley, Coll Chem, Berkeley, CA 94720 USA

Westling, Erik J.
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Coll Chem, Berkeley, CA 94720 USA
Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA Univ Calif Berkeley, Coll Chem, Berkeley, CA 94720 USA

Frechet, Jean M. J.
论文数: 0 引用数: 0
h-index: 0
机构:
Univ Calif Berkeley, Coll Chem, Berkeley, CA 94720 USA
Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA Univ Calif Berkeley, Coll Chem, Berkeley, CA 94720 USA
机构:
[1] Univ Calif Berkeley, Coll Chem, Berkeley, CA 94720 USA
[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Div Mat Sci, Berkeley, CA 94720 USA
关键词:
FIELD-EFFECT TRANSISTORS;
HETEROJUNCTION SOLAR-CELLS;
CONJUGATED POLYMERS;
BAND-GAP;
CHARGE-TRANSPORT;
TRIPLET-STATE;
EFFICIENCY;
SEMICONDUCTORS;
POLYTHIOPHENE;
COPOLYMERS;
D O I:
10.1021/cm9029038
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
The synthesis and characterization of platinum-containing conjugated polymers in Which the platinum atom is attached to the conjugated backbone via a C boolean AND N ligand is presented. The newly designed platinum-containing monomer can be polymerized under both Stille and Suzuki conditions. The polymers exhibit optical bandgaps between 2.1 and 1.65 eV depending oil the choice of comonomer. Triplet exciton formation is detected indirectly by measuring photosensitized emission of singlet oxygen in both solution and in film. The ability of the materials to sensitize formation of singlet oxygen varies both with excitation wavelength and with the change from solution to solid state. This Study provides design principles for developing conjugated polymers with significant triplet yields in the solid state. The photovoltaic performance of these Polymers was also evaluated in preliminary experiments with power conversion efficiencies as high as 1.3% obtained for a bulk heterojunction cell with PCBM.
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页码:1977 / 1987
页数:11
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