纳米壳
介孔材料
纳米技术
材料科学
纳米材料
化学工程
纳米结构
涂层
纳米颗粒
聚合物
碳纤维
化学
复合数
复合材料
有机化学
催化作用
工程类
作者
Guangrui Chen,Yuxing Yan,Jie Wang,Yong Sik Ok,Guiyuan Zhong,Buyuan Guan,Yusuke Yamauchi
标识
DOI:10.1002/anie.202007031
摘要
Mesoporous core-shell nanostructures with controllable ultra-large open channels in their nanoshells are of great interest. However, soft template-directed cooperative assembly to mesoporous nanoshells with highly accessible pores larger than 30 nm, or even above 50 nm into macroporous range, remains a significant challenge. Herein we report a general approach for precisely tailored coating of hierarchically macro-/mesoporous polymer and carbon shells, possessing highly accessible radial channels with extremely wide pore size distribution from ca. 10 nm to ca. 200 nm, on diverse functional materials. This strategy creates opportunities to tailor the interfacial assembly of irregular mesostructured nanounits on core materials and generate various core-shell nanomaterials with controllable pore architectures. The obtained Fe,N-doped macro-/mesoporous carbon nanoshells show enhanced electrochemical performance for the oxygen reduction reaction in alkaline condition.
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