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具有长链取代基的卟啉能够通过旋转涂层技术形成比没有长链取代基卟啉更有序的固体薄膜。且它们也容易被制成单分子层膜。在固体薄膜上发生的光谱变化均与分子排列有序程度的提高有关。
Porphyrins with long chain substituents are capable of forming a more ordered solid film by spin-coating techniques than without the long-chain substituent porphyrin. And they are also easily made into monolayer films. Changes in the spectra of the solid thin films are related to the increased order of molecular arrangement.