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Atomic-scaled surface engineering Ni-Pt nanoalloys towards enhanced catalytic efficiency for methanol oxidation reaction
Aixian Shan,Aixian Shan,Shuoyuan Huang,Haofei Zhao,Wengui Jiang,Xueai Teng,Yingchun Huang,Chinping Chen,Rongming Wang,Woon-Ming Lau +9 more
TL;DR: In this paper, surface engineering of Ni-Pt nanoalloys with a facile method by varying the Ni doping concentration and oleylamine/oleicacid surfactant mix is presented.
Journal ArticleDOI
Bright Gradient-Alloyed CdSexS1–x Quantum Dots Exhibiting Cyan-Blue Emission
Jing Zhang,Qian Yang,Hong Cao,Christopher I. Ratcliffe,David Kingston,Queena Y. Chen,Jianying Ouyang,Xiaohua Wu,Donald M. Leek,Frank S Riehle,Kui Yu +10 more
TL;DR: In this article, high-emissive alloyed CdSeS quantum dots (QDs) with a gradient structure exhibiting photoluminescence (PL) peaking at 490 nm and an absolute quantum yield (QY) of 79% (in toluene with excitation wavelength of 430 nm) were designed and synthesized.
Journal ArticleDOI
A theoretical investigation of α-Fe2O3–Cr2O3 solid solutions
TL;DR: The degree of cation disorder and the effective cell parameters of the mixed oxide as functions of temperature and composition are investigated, and the effect of magnetic interactions and lattice vibrations on the stability of the solid solution is discussed.
Journal ArticleDOI
Bonding, Ion Mobility, and Rate-Limiting Steps in Deintercalation Reactions with ThCr2Si2-type KNi2Se2
TL;DR: Analysis of the atom positions and kinetic data has determined that this transformation occurs by a continuous, low-energy pathway via subtle displacements of Ni atoms and buckling of the Se sublattice, which has profound implications for the understanding of the stability, mobility, and reactivity of ions in materials.
Journal ArticleDOI
Observation of Optical Band-Gap Narrowing and Enhanced Magnetic Moment in Co-Doped Sol–Gel-Derived Anatase TiO2 Nanocrystals
V. R. Akshay,V. R. Akshay,B. Arun,B. Arun,Guruprasad Mandal,Geeta Rani Mutta,Anupama Chanda,M. Vasundhara,M. Vasundhara +8 more
TL;DR: In this article, a simple low-temperature sol-gel method is developed for the synthesis of low-dimensional and highly efficient stable anatase TiO2 nanocrystals, and X-ray powder diffraction pattern and Raman spectra confirm the formation of a single phase anatase structure of TiO 2.