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首页> 外文期刊>Journal of Materials Chemistry, A. Materials for energy and sustainability >The epitaxial growth of lead phthalocyanine on copper halogen compounds as the origin of templating effects
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The epitaxial growth of lead phthalocyanine on copper halogen compounds as the origin of templating effects

机译：酞菁铅在铜卤化物上的外延生长是模板效应的起源

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摘要

Templating effects on the growth of lead phthalocyanine (PbPc) and the performance of organic photovoltaic cells (OPVs) have been investigated by using three copper halogen compounds (CuCl CuBr, Cul), possessing different lattice parameters, as templating layers. The crystallinity of the PbPc films was highest on Cul followed by CuBr and CuCl, resulting in the broadening of the Q-band absorption in the same order. The templating effects were described by heteroepitaxial growth of organic molecules on the templating layers. The dimensionless potential calculated using a lattice model for the pverlayer-substrate systems showed good correlation between the degree of epitaxy and the crystallinity of the PbPc overlayers. Furthermore, the performance of the OPVs was consistent with both the prediction from the calculation results and the observation from the optical and structural analyses.
机译：通过使用具有不同晶格参数的三种铜卤化合物（CuCl，CuBr，Cul）作为模板层，研究了其对铅酞菁（PbPc）生长和有机光伏电池（OPV）性能的模板效应。 PbPc膜的结晶度在Cul上最高，其次是CuBr和CuCl，从而导致Q波段吸收以相同顺序变宽。通过在模板层上有机分子的异质外延生长来描述模板效果。使用晶格模型为pverlayer-衬底系统计算的无量纲电势显示出外延程度与PbPc叠层的结晶度之间具有良好的相关性。此外，OPV的性能与计算结果的预测以及光学和结构分析的观察结果均一致。

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