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Related papers: Green fabrication of nickel-iron layered double hy…

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Rational design and cost-effective fabrication of layered double hydroxides (LDHs) nanosheets with extraordinary electrochemical performance is a key challenge for hybrid supercapacitors (HSCs). Herein, we report a facile in situ growth…

Applied Physics · Physics 2024-03-26 Yuchen Wang , Yaoyu Liu , Zuo Chen , Man Zhang , Biying Liu , Zhenhao Xu , Kai Yan

Nickel-based layered double hydroxides (LDHs) are promising electrode materials in the fields of energy storage (supercapacitors) and conversion (urea oxidation). The rational construction of atomic and electronic structure is crucial for…

Applied Physics · Physics 2024-03-27 Yuchen Wang , Yaoyu Liu , Man Zhang , Biying Liu , Zhiyue Zhao , Kai Yan

Transition-metal-based layered double hydroxides (TM-LDHs) nanosheets are promising electrocatalysts in the renewable electrochemical energy conversion system, which are regarded as alternatives to noble metal-based materials. In this…

Applied Physics · Physics 2024-03-26 Yuchen Wang , Man Zhang , Yaoyu Liu , Zhikeng Zheng , Biying Liu , Meng Chen , Guoqing Guan , Kai Yan

Layered double-hydroxides (LDHs) are superior to the conventional (Transition Metal Oxides) TMOs as their lamellar morphology accommodates higher active sites contributing to the facile electron transfer towards the material degradation…

Alkoxide-intercalated NiFe-layered double hydroxides were synthesized via the nonaqueous methanolic route. These nanoplatelets exhibit high crystalline quality as demonstrated by atomic resolution scanning transmission electron microscopy…

N-graphdiyne monolayers, a set of carbon-nitride nanosheets, have been synthesized recently through the polymerization of triazine- and pyrazine-based monomers. Since the two-dimensional nano-structures are mainly composed of light-weight…

Computational Physics · Physics 2018-12-27 Meysam Makaremi , Bohayra Mortazavi , Timon Rabczuk , Geoffrey A. Ozin , Chandra Veer Singh

Heterostructures constructed from two-dimensional building blocks have shown promise for field-effect transistors, memory devices, photosensors and other electronic applications1,2. 2D nanosheet crystals can be constructed into multilayer…

Fast-growing electronics industry and future energy storage needs have encouraged the design of rechargeable batteries with higher storage capacities, and longer life times. In this regard, two-dimensional (2D) materials, specifically boron…

Applied Physics · Physics 2018-03-21 Meysam Makaremi , Bohayra Mortazavi , Chandra Veer Singh

Nickel-iron layered double hydroxide (NiFe LDH) platelets with high morphological regularity and sub-micrometre lateral dimensions were synthesized using a homogeneous precipitation technique for highly efficient catalysis of the oxygen…

We propose a model for nanoscale supercapacitor consisting of two-dimensional insulating BN layers placed between two commensurate and metallic graphene layers. First-principles Density Functional calculations of structure optimized total…

Mesoscale and Nanoscale Physics · Physics 2013-03-05 V. Ongun Özçelik , C. Ataca , S. Ciraci

Supercapacitors operating in aqueous solutions are low cost energy storage devices with high cycling stability and fast charging and discharging capabilities, but have suffered from low energy densities. Here, we grow Ni(OH)2 nanoplates and…

Carbon nanosheets are mechanically stable free-standing two-dimensional materials with a thickness of ~1 nm and well defined physical and chemical properties. They are made by radiation induced cross-linking of aromatic self-assembled…

Mesoscale and Nanoscale Physics · Physics 2011-05-31 Christoph T. Nottbohm , Andrey Turchanin , Andre Beyer , Rainer Stosch , Armin Golzhauser

Ni(OH)2 nanocrystals grown on graphene sheets with various degrees of oxidation are investigated as electrochemical pseudocapacitor materials for potential energy storage applications. Single-crystalline Ni(OH)2 hexagonal nanoplates…

Materials Science · Physics 2010-05-07 Hailiang Wang , Hernan Sanchez Casalongue , Yongye Liang , Hongjie Dai

Supercapacitors, based on the fast ion transportation, are specialized to provide high power, long stability, and efficient energy storage with highly porous electrode materials. However, their low energy density and specific capacitance…

Materials Science · Physics 2013-11-07 Hao Yang , Santhakumar Kannappan , Amaresh S. Pandian , Jae-Hyung Jang , Yun Sung Lee , Wu Lu

Portable miniaturized energy storage micro-supercapacitor has engrossed significant attention due to its power source and energy storage capacity, replacing batteries in ultra-small electronic devices. Fabrication with porous and 2D…

Applied Physics · Physics 2019-07-18 Meenakshi Talukdar , Sushant Kumar Behera , Pritam Deb

Hybrid lead halide perovskites with 2D stacking structures have recently emerged as promising materials for optoelectronic applications. We report a method for growing 2D nanosheets of hybrid lead halide perovskites (I, Br and Cl), with…

Nickel molybdate (NiMoO$_{4}$) nanowires were prepared on chemical-vapor-deposition-grown three-dimensional graphene skeletons by hydrothermal method. The X-ray diffraction and Raman results show that NiMoO$_{4}$ is $\alpha{}$ phase. This…

Materials Science · Physics 2015-11-11 Xiaozhi Liu , Ke Zhang , Baolin Yang , Wenlei Song , Qian Liu , Fei Jia , Shiyi Qin , Wanjun Chen , Zhenxing Zhang , Jian Li

Ultrathin two-dimensional nanosheets raise a rapidly increasing interest due to their unique dimensionality-dependent properties. Most of the two-dimensional materials are obtained by exfoliation of layered bulk materials or are grown on…

Materials Science · Physics 2017-07-13 Frauke Gerdes , Cristina Navio , Beatriz H. Juarez , Christian Klinke

An effective biosensor based on two-dimensional (2D) Co-ZIF-L nanosheets for sensitive electrochemical non-enzymatic glucose detection is developed, which exhibits high electrocalalytic activities towards glucose due to the ordered porous…

Applied Physics · Physics 2022-02-15 Nana Liu , Ningyan Cheng , Chengwu Yang , Weichang Hao , Yi Du

Aqueous asymmetric electrochemical capacitor, with their high power density and superior cycle stability in comparison to conventional batteries, are presently considered as the most promising contender for energy storage. However,…

Materials Science · Physics 2022-06-07 Subrata Ghosh , S. R. Polaki , Gopinath Sahoo , En-Mei Jin , M. Kamruddin , Jung Sang Cho , Sang Mun Jeong
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