本文選題：共組裝 + 反蛋白石結(jié)構(gòu)��； 參考：《化學(xué)學(xué)報(bào)》2017年10期

【摘要】：近年來(lái),由于在光學(xué)、電學(xué)和生化等領(lǐng)域具有廣泛的潛在應(yīng)用,有序多孔反蛋白石結(jié)構(gòu)薄膜的研究引起了人們的廣泛關(guān)注.但是其在制備過(guò)程中常常會(huì)形成一些無(wú)法控制的缺陷,限制了這類(lèi)材料的普及和實(shí)際應(yīng)用.通過(guò)使用兩種基質(zhì)前驅(qū)體(正硅酸乙酯或絲素蛋白)與膠體小球混合共組裝,探究了二元體系共組裝法制備無(wú)裂痕反蛋白石結(jié)構(gòu)薄膜的可行性.并用掃描電鏡和可見(jiàn)光譜對(duì)薄膜結(jié)構(gòu)進(jìn)行了表征.結(jié)果表明,對(duì)于正硅酸乙酯體系,在不影響膠體小球有序排列的條件下,正硅酸乙酯在小球間的空隙中發(fā)生溶膠凝膠轉(zhuǎn)變,與微球共同組裝成有序致密的整體,去除微球模板后,可以得到大規(guī)模(200μm)無(wú)缺陷有序的反蛋白石結(jié)構(gòu)薄膜.而對(duì)于大分子絲素蛋白體系,由于它和膠體小球有較強(qiáng)的相互作用力,會(huì)抑制膠體小球的有序組裝,導(dǎo)致無(wú)法形成有序結(jié)構(gòu)薄膜.對(duì)兩種二元共組裝體系進(jìn)行了實(shí)驗(yàn)探索,實(shí)驗(yàn)結(jié)果不僅有助于人們了解共組裝方式的適用范圍,而且為設(shè)計(jì)和制備無(wú)缺陷反蛋白石薄膜提供了新的途徑.
[Abstract]:In recent years, due to extensive potential applications in the fields of optics, electricity and biochemistry, the research of ordered porous inverse opal thin film has attracted wide attention. However, it often forms some uncontrollable defects in the preparation process, limiting the popularization and practical application of this kind of material. By using two kinds of substrates before using it The feasibility of the two element system co assembly method to prepare the non fissure anti opal structure film was investigated. The structure of the thin film was characterized by scanning electron microscope and visible spectrum. The results showed that the colloidal beads were not affected in order in the order of the colloidal beads. Under the conditions, the ethyl orthosilicate has a sol-gel transition in the gap between the small spheres and is assembled with the microspheres together into an orderly and compact whole. After removing the microsphere template, a large scale (200 m) non defective and ordered inverse opal structure film can be obtained. For the large molecular silk egg white system, it has a strong interaction with the colloidal beads. The force, which inhibits the orderly assembly of the colloid beads, leads to the failure to form an ordered structure film. The experimental exploration of two kinds of two element Co assembly system has been carried out. The experimental results not only help people understand the scope of the application of the co assembly, but also provide a new way for the design and preparation of the defective opal film.

【作者單位】： 廈門(mén)大學(xué)材料學(xué)院物理科學(xué)與技術(shù)學(xué)院生物仿生及軟物質(zhì)研究院福建省柔性功能材料重點(diǎn)實(shí)驗(yàn)室;新加坡國(guó)立大學(xué)物理系;
【基金】：國(guó)家自然科學(xué)基金(Nos.21401154,U1405226) 111計(jì)劃(No.B16029) 廣東省自然科學(xué)基金(No.2014A030310005) 廈門(mén)大學(xué)校長(zhǎng)基金(No.20720170011)資助~~
【分類(lèi)號(hào)】：TB383.2

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