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Ionic Covalent Organic Framework:What Does the Unique Ionic Site Bring to Us?

Chemical Research in Chinese Universities 2022年第2期38卷 296-309页

作者： FU Yu LI Yinhui ZHANG Wenxiang LUO Chen JIANG Lingchang MA Heping School of Chemical Engineering and Technology Xi'an Jiaotong UniversityXi'an 710049P.R.China Petrochemical Research Institute PetroChinaBeijing 102200P.R.China College of Biological Chemical Science and EngineeringJiaxing UniversityJiaxing 314001P.R.China

Ionic covalent organic frameworks featuring both crystallinity and charged sites have arose tremendous attention from scientific community. The adjustable textural structures, well-defined channels and abundant charged sites of ionic COFs facilitate great potential in diverse aspects, such as separation, ion conduction, sensing, catalysis and energy storage. In this review, we first introduced the design and construction of ionic covalent organic frameworks(COFs), and classified them according to the types of charged sites. We focused on the various applications of ionic COFs in diverse fields. The structure-function relationship was also explored in detail. Finally, the opportunities and challenges of ionic COFs were summarized to provide guidance for better design and application of ionic COFs.

关键词： Ionic covalent organic framework design and construction Various application Structure-function relationship

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Fabrication and Optical and Electrical Properties of Poly(2,5-di-n-butoxyphenylene) Nanowire Arrays

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Chemical Research in Chinese Universities 2001年第Z1期17卷 53-54页

作者： YU BoZhang Department of Chemistry Lanzhou University

Regular patterned arrays of nanomaterials have been widely fabricated and studied for their benefits in construction of novel type of optical, electron and magnetic device1-2, these kinds of devices center on the inorganic materials. With the development of synthesis and application of new type of polymer material, the design and construction of organic nanopolymer have become a great interest. Poly(p-phenylene)(PPP) and some derivatives have been widely investigated as a candidate for high strength, high temperature and conducting polymers, and can be used as electrode materials in electrochemical cells, blue emitting diodes: The polymers obtained by oxidative coupling polymerization of benzene nuclei with aluminum chloride and copper(Ⅱ) chloride is insoluble in all solvent and inflexible, which hinders revealing their basic properties. Introduction of flexible side chains into the aromatic rings can not only render solubility and processibility, but also improve or modify optical and electrical properties of the polymers. As a further step in assembling method and optoelectronic studies, it is attractive to investigate the properties of photoluminescence and electroluminescene of regular patterned arrays of poly(p-phenylene) deriva-tives nanowires.

关键词： design and construction electrochemical cells electrical properties inorganic materials electrode materials conducting polymers oxidative coupling aluminum chloride basic properties emitting diodes type of high strength

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The Reconstruction of L’Acadie Elevated Roundabout

The Reconstruction of L’Acadie Elevated Roundabout

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国际桥梁2004年大会

作者： Adel R.ZAKI Olivier JOLY Sevak DEMIRDJIAN Chief Engineer SNC-Lavalin Inc.Montreal Canada Senior Project Engineer SNC-Lavalin Inc.Montreal Canada Project Engineer SNC-Lavalin Inc.Montreal Canada

＜正＞ The 1’Acadie elevated roundabout possesses a complex geometry in a highly urbanized area in Montreal. The elevated structure is constructed over the Metropolitan （Highway 40）, one of Canada’s busiest freeway, linking Eastern Canada to the rest of the country, and is the main artery crossing Montreal from East to West. Through an access ramp, it reaches the Highway 15 （Laurentian Autoroute） northbound. The original circle was built in the late 1950’s to accommodate the traffic needs for a moderately populated surrounding area. The major urban development surrounding the circle, the construction of shopping mall, and the difficult traffic network condition has led to undertake major reconstruction to replace the old roundabout by a modern elevated structure to meet the city’s ever growing traffic needs.

关键词： elevated roundabout design and construction bridges urbanized area.

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