title: Nature-replicated nano-in-micro structures for triboelectric energy harvesting.
abstract: Triboelectric nanogenerators with nature-replicated interface structures are presented. Effective contact areas of the triboelectric surfaces are largely enhanced because of the densely packed nano-in-micro hierarchical structures in nature. The enlarged contact area causes stronger triboelectric charge density, which results in output power increment. The interface engineering also allows the improved humidity resistance, which is an important parameter for the stable energy harvesting.
authors.affiliation: Department of Electrical Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 305-701, Republic of Korea.
authors.forename: Myeong-Lok
authors.initials: ML
authors.lastname: Seol
authors.forename: Jong-Ho
authors.initials: JH
authors.lastname: Woo
authors.forename: Dong-Il
authors.initials: DI
authors.lastname: Lee
authors.forename: Hwon
authors.initials: H
authors.lastname: Im
authors.forename: Jae
authors.initials: J
authors.lastname: Hur
authors.forename: Yang-Kyu
authors.initials: YK
authors.lastname: Choi
mesh_terms: D000818:Animals; D040761:Biomimetic Materials; D004129:Dimethylpolysiloxanes / Q000737:chemistry; D011211:Electric Power Supplies; D004563:Electrochemistry; D004566:Electrodes; D004867:Equipment Design; D006430:Hemiptera; D006801:Humans; D006813:Humidity; D008855:Microscopy, Electron, Scanning; D036103:Nanotechnology; D009991:Oscillometry; D018515:Plant Leaves / Q000378:metabolism; D011108:Polymers / Q000737:chemistry; D013499:Surface Properties; D013696:Temperature; D014921:Wings, Animal / Q000473:pathology
chemical_list: D004129:Dimethylpolysiloxanes; D011108:Polymers; C013830:baysilon
keywords: contact electrification; energy harvesting; hierarchical structure; soft-lithography; triboelectric nanogenerators