门控
静电纺丝
纳米纤维
离子
膜
纳米技术
能量转换
能量收集
材料科学
离子运输机
功率密度
离子通道
化学
化学工程
功率(物理)
生物物理学
有机化学
生物化学
聚合物
热力学
物理
受体
量子力学
工程类
生物
复合材料
作者
Haoyang Ling,Weiwen Xin,Yongchao Qian,Xiaofeng He,Linjie Yang,Weipeng Chen,Yadong Wu,Huaqing Du,Yang Liu,Xiangyu Kong,Lei Jiang,Liping Wen
标识
DOI:10.1002/anie.202212120
摘要
Biological ion channels existing in organisms are critical for many biological processes. Inspired by biological ion channels, the heterogeneous electrospinning nanofiber membranes (HENM) with functional ion channels are constructed by electrospinning technology. The HENM successfully realizes ion-gating effects, which can be used for tunable energy conversions. Introduction of pyridine and carboxylic acid groups into the HENM plays an important role in generating unique and stable ion transport behaviors, in which gates become alternative states of open and close, responding to symmetric/asymmetric pH stimulations. Then we used the HENM to convert osmotic energy into electric energy which reach a maximum value up to 12.34 W m-2 and the output power density of HENM-based system could be regulated by ion-gating effects. The properties of the HENM provide widespread potentials in application of smart nanofluidic devices, energy conversion, and water treatment.
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