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慕小白鐵桿木蟲(chóng) (著名寫(xiě)手)
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[求助]
為什么要對(duì)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(xiàn)上說(shuō)對(duì)大分子進(jìn)行了自組裝成膜,后將其固載到基質(zhì)上,對(duì)其膜的形貌進(jìn)行了退火前后AFM的表征。 看AFM圖片,退火前后確實(shí)不一樣,但文中沒(méi)有說(shuō)為什么要進(jìn)行退火前后的處理,難道僅僅只是為了表征而表征嗎?沒(méi)有什么目的表征有什么意義呢? 還想求教下對(duì)大分子膜進(jìn)行退火前后處理都能說(shuō)明些什么問(wèn)題? |


金蟲(chóng) (知名作家)
可降解塑料專(zhuān)家
木蟲(chóng) (正式寫(xiě)手)

鐵桿木蟲(chóng) (著名寫(xiě)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(chóng) (正式寫(xiě)手)

木蟲(chóng) (正式寫(xiě)手)

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