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首页> 外文会议>SPIE Optics Photonics Conference on Plasmonics: Nanoimaging, Nanofabrication, and their Applications >Confocal and Near-field Spectroscopic Investigation of P3HT:PCBMOrganic Blend Film upon Thermal Annealing
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Confocal and Near-field Spectroscopic Investigation of P3HT:PCBMOrganic Blend Film upon Thermal Annealing

机译：P3HT的共聚焦和近场光谱研究：PCBmorganic Blend膜在热退火时

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摘要

The poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl C61 butyric acid methyl ester (PCBM) organic films are widely employed as electronic donor and acceptor in the field of organic film solar cell because of their high photovoltaic conversion efficiency. A home-built parabolic mirror assisted confocal and apertureless near-field optical microscope was used to investigate the degradation behavior of the film and to distinguish the donor and acceptor domains both topographically and optically. Under ambient condition, the degradation rates are decreased in the sequence of pristine P3HT, blend P3HT:PCBM film and pristine PCBM. N_2 protection dramatically slows down the film degradation rate. Using confocal spectroscopic mapping, we are able to distinguish the local distributions of P3HT and PCBM. Micrometer PCBM aggregates were observed due to the thermal annealing process. Our experimental methods show the possibility to investigate morphology and the photochemistry properties of the organic solar cell films with high spatial resolution.
机译：聚（3-己基噻吩）（P3HT）和[6,6] - 苯基C61丁酸甲酯（PCBM）有机膜广泛用作有机薄膜太阳能电池领域的电子供体和受体，因为它们的光伏转换高效率。采用自制抛物线镜辅助共焦和不可取的近场光学显微镜来研究薄膜的降解行为，并在拓扑和光学地区分供体和受体结构域。在环境条件下，在原始P3HT的序列中降低降解速率，混合P3HT：PCBM膜和原始PCBM。 N_2保护显着减慢了薄膜劣化率。使用共聚焦光谱映射，我们能够区分P3HT和PCBM的局部分布。由于热退火过程，观察千分尺PCBM骨料。我们的实验方法表明，探讨了具有高空间分辨率的有机太阳能电池膜的形态和光化学特性的可能性。

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