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慕小白鐵桿木蟲 (著名寫手)
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[求助]
為什么要對大分子自組裝成膜后用AFM表征其退火前后形貌特征
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看一篇文獻上說對大分子進行了自組裝成膜,后將其固載到基質(zhì)上,對其膜的形貌進行了退火前后AFM的表征。 看AFM圖片,退火前后確實不一樣,但文中沒有說為什么要進行退火前后的處理,難道僅僅只是為了表征而表征嗎?沒有什么目的表征有什么意義呢? 還想求教下對大分子膜進行退火前后處理都能說明些什么問題? |


金蟲 (知名作家)
可降解塑料專家
木蟲 (正式寫手)

鐵桿木蟲 (著名寫手)

| for block copolymers, people usually anneal their samples first to make sure that samples are thermally stable... If samples are not annealed long enough, we don't really know whether the morphology we see in TEM, AFM is stable or just kinetically trapped. If you're asked by someone that how do you know your morphology is stable? You can just say we anneal it! |
木蟲 (正式寫手)

木蟲 (正式寫手)

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