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nuptsww木蟲 (小有名氣)
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[求助]
求翻譯 如下段落 (Google 的不要)
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The desired diffusion of excitons towards the organic–organic interface (process 2) poses stringent requirements on the thin-film morphology. Exciton diffusion lengths in polymeric and disordered molecular solids are typically in the range of a few nanometers or a few tens of nanometers, and increase to a few hundred nanometers for highly ordered crystalline samples.Consequently, the average spacing of organic heterojunctions should be on the length scale of the exciton diffusion lengths. This leads to a laterally structured architecture with vertically interdigitated separate phases, as shown schematically in Figure 10b, where every generated exciton should be able to diffuse towards an organic–organic interface. In reality, the fabrication of such ideal structures is inherently difficult with both small-molecular and polymeric materials, in particular because of the small length scales involved. |
鐵桿木蟲 (著名寫手)
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嘗試如下: 期望的朝向有機 - 有機界面的激子擴散(過程2)對薄膜形態(tài)提出了嚴格的要求。在聚合物和無序分子固體間的激子擴散長度通常是在幾納米或幾十納米的范圍內,高度有序的結晶樣品則增加至幾百納米。因此,有機異質結的平均間距應該是在激子擴散長度的范圍內。這會導致橫向排列的結構與垂直排列的結構叉指式的分開,如圖10b所示,每一個生成的激子應該可以朝有機 - 有機界面擴散。事實上,用小分子和聚合物材料制造這樣的理想結構本質上是困難的,尤其是小尺度的原因。 |
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