Self-Assembled Ultra-Compact Energy Storage Elements Based on Hybrid Nanomembranes

被引:130
作者
Bufon, Carlos Cesar Bof [1 ]
Gonzalez, Jose David Cojal [1 ]
Thurmer, Dominic J. [1 ]
Grimm, Daniel [1 ]
Bauer, Martin [1 ]
Schmidt, Oliver G. [1 ,2 ]
机构
[1] IFW Dresden, Inst Integrat Nanosci, D-01069 Dresden, Germany
[2] Tech Univ Chemnitz, D-09107 Chemnitz, Germany
关键词
Self-assembly; nanomembranes; flexible electronics; energy storage; self-assembled monolayers; CAPACITOR ARRAYS; FILMS; MOLECULES; OXIDES; SI;
D O I
10.1021/nl1010367
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Self-assembly methods combined with standard top-down approaches arc demonstrated to be suitable for fabricating three-dimensional ultracompact hybrid organic/inorganic electronic devices based on rolled-up nanomembranes Capacitors that are self-wound and manufactured in parallel are almost 2 orders of magnitude smaller than their planar counterparts and exhibit capacitances per footprint area of around 200 mu F/cm(2) This value significantly exceeds that which was previously reported for metal-insulator-metal capacitors based on Al2O3, and the obtained specific energy (similar to 0 55 Wh/kg) would allow their usage as ultracompact supercapacitors By incorporating organic monolayers into the inorganic nanomembrane structure we can precisely control the electronic characteristics of the devices. The adaptation of the process for creating ultracompact batteries, coils and transformers is an attractive opportunity for reducing the size of energy storage elements, filters, and signal converters These devices can be employed as implantable electronic circuits or new approaches for energy-harvesting applications Furthermore, the incorporation of functional organic molecules gives rise to novel devices with almost limitless chemical and biological functionalities
引用
收藏
页码:2506 / 2510
页数:5
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