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GO@Polyaniline Nanorod Array Hierarchical Structure: A Photothermal Agent with High Photothermal Conversion Efficiency for Fast Near-Infrared Responsive Hydrogels
Industrial & Engineering Chemistry Research ( IF 3.8 ) Pub Date : 2019-02-20 , DOI: 10.1021/acs.iecr.8b05346 Ping Fan 1 , Zhe Fan 1 , Fanglin Huang 1 , Jintao Yang 1 , Feng Chen 1 , Zhengdong Fei 1 , Mingqiang Zhong 1
Industrial & Engineering Chemistry Research ( IF 3.8 ) Pub Date : 2019-02-20 , DOI: 10.1021/acs.iecr.8b05346 Ping Fan 1 , Zhe Fan 1 , Fanglin Huang 1 , Jintao Yang 1 , Feng Chen 1 , Zhengdong Fei 1 , Mingqiang Zhong 1
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Near-infrared (NIR) responsive hydrogels are of significance in remote control microvalves. However, the development and the application of NIR responsive hydrogels were either limited by high cost or limited by long response time (on the order of minutes) and modest volume change. To address this problem, in this work, a graphene oxide@polyaniline (GO@PANI) hybrid nanocomposite with nanorod array hierarchical structure was fabricated by dilute polymerization. The as-synthesized hierarchical GO@PANI nanosheets exhibited high NIR photothermal conversion efficiency (PTCE) (49%), which was approximately 188% the magnitude of that of GO sheets. Due to its high photothermal conversion efficiency, when GO@PANI was incorporated into temperature-responsive poly(N-isopropylacrylamide) (PNIPA), a highly responsive hydrogel with rapid and significant NIR-induced volume change (over 50%) was obtained. When this material was applied as a remote-controllable microvalve, it exhibited a fast NIR response (∼30 s).
中文翻译：
GO @ Polyaniline纳米棒阵列分层结构：一种具有高光热转化效率的光热剂，用于快速近红外响应水凝胶
近红外（NIR）响应水凝胶在远程控制微阀中具有重要意义。但是，NIR响应水凝胶的开发和应用要么受到高成本的限制，要么受到响应时间长（约数分钟）和适度体积变化的限制。为了解决这个问题，在这项工作中，通过稀释聚合制备了具有纳米棒阵列分层结构的氧化石墨烯@聚苯胺（GO @ PANI）杂化纳米复合材料。合成后的分层GO @ PANI纳米片表现出高的NIR光热转换效率（PTCE）（49％），约为GO片的188％。由于其高的光热转化效率，当GO @ PANI被掺入温度响应性聚（N（-异丙基丙烯酰胺）（PNIPA），一种具有快速且显着的NIR诱导的体积变化（超过50％）的高响应性水凝胶。当将该材料用作遥控微阀时，它显示出快速的NIR响应（约30 s）。
更新日期：2019-02-20
中文翻译：
GO @ Polyaniline纳米棒阵列分层结构：一种具有高光热转化效率的光热剂，用于快速近红外响应水凝胶
近红外（NIR）响应水凝胶在远程控制微阀中具有重要意义。但是，NIR响应水凝胶的开发和应用要么受到高成本的限制，要么受到响应时间长（约数分钟）和适度体积变化的限制。为了解决这个问题，在这项工作中，通过稀释聚合制备了具有纳米棒阵列分层结构的氧化石墨烯@聚苯胺（GO @ PANI）杂化纳米复合材料。合成后的分层GO @ PANI纳米片表现出高的NIR光热转换效率（PTCE）（49％），约为GO片的188％。由于其高的光热转化效率，当GO @ PANI被掺入温度响应性聚（N（-异丙基丙烯酰胺）（PNIPA），一种具有快速且显着的NIR诱导的体积变化（超过50％）的高响应性水凝胶。当将该材料用作遥控微阀时，它显示出快速的NIR响应（约30 s）。
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