Modulating emission from acceptor in donor-acceptor diblock copolymers by plasmon resonance energy transfer
作者： Fan Kong , Xueqin Zhang , Xianzhong Lang , Baoping Lin , Yimin Yang
DOI: 10.1063/1.3665722
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摘要: We have investigated the optical properties of all-conjugated block copolymers, poly (2,5-dioctyloxy-p-phenylene)-b-poly[3-(2,5,8-trioxanonyl) thiophene] (PPP-b-P3TT), coupled silver nanocap array. The photoluminescence (PL) enhancement acceptor is increased with mole fraction P3TT in copolymer. emission from PPP blocks and absorption match plasmon resonance frequency absorbed by array to propagate surface plasmons or polaritons near interfaces conjugated polymer/silver array, whose energies can be transferred blocks. As a result, more than 14-fold PL has been observed copolymer photoexcitation at maximum
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