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Article
Geometric Effect of Grating-Patterned Electrode for High Conversion Efficiency of Dye-Sensitized Solar Cells
Photovoltaic devices that convert solar energy into electrical energy are a promising solution to resolve environmental problems the world is facing today. Among the various photovoltaic system, dye-sensitized...
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Article
Spherical graphene and Si nanoparticle composite particles for high-performance lithium batteries
Silicon/carbon composite electrodes are in the spotlight as an anode with a high capacity and a long cycle life. For this purpose, it is important to make a uniformly dispersed composite material. We fabricate...
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Article
Open AccessHighly N-doped microporous carbon nanospheres with high energy storage and conversion efficiency
Porous carbon spheres (CSs) have distinct advantages in energy storage and conversion applications. We report the preparation of highly monodisperse N-doped microporous CSs through the carbonization of polysty...
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Article
Open AccessControlled Unusual Stiffness of Mechanical Metamaterials
Mechanical metamaterials that are engineered with sub-unit structures present unusual mechanical properties depending on the loading direction. Although they show promise, their practical utility has so far be...
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Article
Open AccessLiquid immersion thermal crosslinking of 3D polymer nanopatterns for direct carbonisation with high structural integrity
The direct pyrolytic carbonisation of polymer patterns has attracted interest for its use in obtaining carbon materials. In the case of carbonisation of nanopatterned polymers, the polymer flow and subsequent ...
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Article
Open AccessFacile fabrication of sub-100 nm mesoscale inverse opal films and their application in dye-sensitized solar cell electrodes
Inverse opal (IO) films with mesoporous structures hold promise as high-performance electrodes for various photoelectrochemical devices because of their high specific area as well as their fully connected pore...
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Article
Open AccessIn-situ fabrication of macroporous films for dye-sensitised solar cells: formation of the scattering layer and the gelation of electrolytes
Dye-sensitised solar cells (DSCs) are a promising substitute for conventional silicon solar cells. A scattering layer of submicrometer pores or particles has been widely introduced to achieve a high light-harv...
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Article
Open AccessLithographically Defined Three-dimensional Pore-patterned Carbon with Nitrogen Do** for High-Performance Ultrathin Supercapacitor Applications
Supercapacitors that exhibit long cycle lives and fast charge/discharge rates are a promising energy-storage technology for next-generation mobile or wearable electronic systems. A great challenge facing the f...
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Article
Open AccessSilicon/copper dome-patterned electrodes for high-performance hybrid supercapacitors
This study proposes a method for manufacturing high-performance electrode materials in which controlling the shape of the current collector and electrode material for a Li-ion capacitor (LIC). In particular, t...
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Article
Synthesis of snowman-shaped microparticles by monomer swelling and polymerization of crosslinked seed particles
Nonspherical snowman-shaped micro-sized particles were synthesized via monomer swelling and the polymerization of crosslinked seed particles. Monodispersed crosslinked polystyrene microspheres and methylmethac...
