MDMO-PPV：PCBM太阳能电池中单重态激子和电荷转移复合物的Binding energy
Binding energy of singlet excitons and charge transfer complexes in MDMO-PPV:PCBM solar cells
摘要：
研究了外电场对聚[2-甲氧基-5-（3 '，7'-二甲基辛氧基）-1，4-亚苯基亚乙烯基]（MDMO-PPV）二极管和PPV与[6，6]-苯基-C61丁酸甲酯（PCBM）复合体异质结的单重态激子和电荷转移复合物的光致发光强度的影响.实验数据与由Onsager-Braun模型导出的解离几率有关。以这种方式，MDMO-PPV的单线态激子结合能的下限被确定为（327 ± 30）meV，而对于MDMO-PPV：PCBM共混物中的电荷转移络合物，提取出明显更低的值（203 ± 18）meV。
英文摘要：
The influence of an external electric field on the photoluminescence intensity of singlet excitons and charge transfer complexes is investigated for a poly[2-methoxy-5-(3',7'-dimethyloctyloxy)-1,4-phenylenevinylene] (MDMO-PPV) diode and a bulk heterojunction of the PPV in combination with [6,6]-phenyl-C61 butyric acid methylester (PCBM), respectively. The experimental data is related to the dissociation probability derived from the Onsager-Braun model. In this way, a lower limit for the singlet exciton binding energy of MDMO-PPV is determined as (327 +- 30) meV, whereas a significantly lower value of (203 +- 18) meV is extracted for the charge transfer complex in a MDMO-PPV:PCBM blend.
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