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| COFs（Covalent Organic Frameworks）是具有明確孔徑分布的多孔晶體材料，在氣體貯藏，催化，分離，光學(xué)器件和化學(xué)傳感等方面有應(yīng)用前景。有機(jī)硼酸中的硼元素最外層空的p軌道與π鍵產(chǎn)生特殊的軌道相互作用，也可與路易斯堿發(fā)生配位作用，上述特點(diǎn)使其能夠被設(shè)計(jì)為結(jié)構(gòu)和功能導(dǎo)向的構(gòu)筑基元。有機(jī)硼酸酯的形成由于在結(jié)構(gòu)中引入了可以參與共軛體系的硼原子，進(jìn)而帶來新穎的性質(zhì)。本文從合成、性質(zhì)以及結(jié)構(gòu)等方面介紹了由有機(jī)硼酸（boronic acid）構(gòu)筑的結(jié)構(gòu)和功能導(dǎo)向COFs及其發(fā)展趨勢。 |
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3樓2011-04-21 09:25:30
zhenghuadong
木蟲 (著名寫手)
勤奮的蟲子
- 翻譯EPI: 9
- 應(yīng)助: 0 (幼兒園)
- 貴賓: 0.001
- 金幣: 2970.8
- 散金: 714
- 紅花: 5
- 沙發(fā): 1
- 帖子: 1286
- 在線: 209.1小時(shí)
- 蟲號(hào): 970214
- 注冊: 2010-03-13
- 性別: GG
- 專業(yè): 光學(xué)信息獲取與處理
【答案】應(yīng)助回帖
蝶烯(金幣+30, 翻譯EPI+1): 不錯(cuò)，謝謝O(∩_∩)O~！ 2011-04-21 09:22:03
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我?guī)湍惴g了一下，是個(gè)外行，呵呵，你看這樣行嗎？ Covalent Organic Frameworks (COFs) are a kind of porous crystal materials with clear pore size distribution, which have an application prospect in gas storage, catalysis, separation, optical devices and chemical sensing etc. The outermost empty p orbital of the boron element of organic boric acid can has a special orbit interaction with the π-bond, and it can also has a coordination interaction with the Lewis base. So it can be designed as the building block of structure-oriented and function-oriented materials according to these properties. The formation of organic boric acid ester will perform novel properties because the boron atom is introduced to participate into the conjugate system of the structure of material. In this paper, the synthesis, properties and structure of boronic acid are introduced, and the function-oriented COFs as well as its development trends is also introduced. |
2樓2011-04-20 18:03:20
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