Matches in SemOpenAlex for { <https://semopenalex.org/work/W4283272870> ?p ?o ?g. }
- W4283272870 abstract "Spiky nanoarchitecture composed of numerous nanorods and a spherical core has applications in various fields because of its high performance and durability. However, controlling the spiky structure is challenging because of an unclear formation mechanism. This study investigates the growth mechanism of spiky nanostructure by hydrothermally synthesizing Nb 2 O 5 with various conditions and additives, and it is shown that adsorption and gradual decomposition of ligands promote the formation of the spiky shape. Using oxalic acid as an additive and synthesizing at 160 °C, which is below oxalic acid's decomposition temperature, spherical Nb 2 O 5 with a rough surface that consists of a nanostructure with less than 5 nm size forms, and its surface is protected by oxalate ions. When the synthesis temperature increases to 180 °C, oxalate ions are decomposed, and nanorods grow on the spherical particles. The results show that oxalate ions suppress particle growth, promote self‐assembly, and control subsequent particle growth, resulting in complex nanostructures. When used as anode material in lithium‐ion batteries, the spiky Nb 2 O 5 nanoparticles show a higher capacity (143 mAh g −1 ) than collapsed spiky particles (92 mAh g −1 ) and nanorods (37 mAh g −1 ) because of fast lithium‐ion diffusion on the surface nanostructure and high dispersibility." @default.
- W4283272870 created "2022-06-23" @default.
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- W4283272870 date "2022-07-01" @default.
- W4283272870 modified "2023-09-29" @default.
- W4283272870 title "Growth Mechanism of Spiky Nb<sub>2</sub>O<sub>5</sub> Nanoparticles and their Electrochemical Property" @default.
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- W4283272870 doi "https://doi.org/10.1002/pssb.202100642" @default.
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