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"Modulating p-d orbital hybridization by CuO/Cu nanoparticles enables c" by Zhi Jia Zhang, He Yi Sun et al.

Carbon nanofibers (CNFs) have been extensively studied as anode materials for sodium-ion batteries due to their high conductivity, large aspect ratio and good electrochemical stability. The low specific capacity and low first cycle efficiency of CNFs, however, have hindered its practical application. Herein, we present a facile strategy to synthesize a novel CNFs decorated with Cu/CuO nanoparticles (Cu-CNFs) using magnetron sputtering method. Cu/CuO nanoparticles were uniformly distributed on the surface of CNFs. According to the density functional theory (DFT) calculation, Cu/CuO nanoparticles d-orbitals and CNFs p-orbitals present hybridization states, and the Na+ adsorption energy of the modified CNFs decreases from − 2.14 to − 2.97 eV. The Cu-CNFs composites exhibit excellent sodium storage properties, presenting a desirable initial Coulombic efficiency of 76% and a high specific reversible capacity of 300 mAh·g−1 at 0.1 A·g−1 after 400 cycles. Cu-CNFs anode has excellent ....

Carbon Nanofibers , U Cuo Nanoparticles , Ensity Functional Theory Calculation , Magnetron Sputtering , Rbital Hybridization ,

Magnetron Sputtering in Thin Film Fabrication

Magnetron sputtering is a thin film deposition technique used extensively in materials science, optics, and electronics to fabricate different thin films with special functions due to its high sputtering rate and low deposition temperature requirement. This article discusses the application of magnetron sputtering in the fabrication of thin films. ....

Samudrapom Damaug , Fox Shutterstock , Film Fabrication , Magnetron Sputtering , Thin Film , Advanced Materials Show , Sputtering Types , Applied Physics Letters , Transparent Zno , Physics Letters , Facilitating Complex Thin Film Deposition , Using Magnetron Sputtering , Versatile Thin Flim Deposition Technique , Thin Film Fabrication , Magnetron Sputtering , Agnetron Sputtering In Thin Film Fabrication ,