Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 113, Issue 42, Pages 17979-17982Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp907642b
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Funding
- National Research Council of Canada
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The very first single-sized Cd3P2 II-V nanoparticles were synthesized via a non-injection-based approach which was designed to be thermodynamically driven. The Cd3P2 nanoparticles were synthesized in a pure form and exhibited bright bandgap photoemission peaking at 455 nm with a full width at half-maximum (fwhm) of only 17 nm and narrow bandgap absorption peaking at 451 nm. Compared to those reported before with a fwhm of 50-150 nm, the newly developed Cd3P2 nanoparticles represent significant progress in synthesis with better design and control. Cadmium acetate dihydrate (Cd(OAc)(2) center dot 2H(2)O) and tris(trimethylsilyl)phosphine ((TMS)(3)P) were used as Cd and P source compounds, respectively; the synthesis was carried out in 1-octadecene (ODE), a noncoordinating solvent. The novel Cd3P2 nanoparticles were further characterized by transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDX), powder X-ray diffraction (PXRD), and Cd-113 and P-31 solid-state NMR, These single-sized Cd3P2 nanoparticles are the first example of class II-V magic-sized nanoparticles (MSNs).
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