| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 10156043 | Materials Letters | 2019 | 15 Pages |
Abstract
Ag2S hollow nanospheres were synthesized by reaction between silver dodecanoate and thiourea in the presence of polyvinyl pyrrolidone (PVP) at ambient temperature within 30â¯min. Characterization studies by X-ray powder diffraction (XRD), energy dispersive X-ray spectroscopy (EDS), transmission electron microscopy (TEM) and scanning electron microscopy (SEM) showed that the prepared product had a monoclinic structure and was composed of thin shell enwrapped hollow nanospheres. Their large band gap energy of 3.67â¯eV, remarkable blue shifts both in the ultraviolet-visible (UV-vis) absorption spectrum and the photoluminescence (PL) emission peak could be well explained by the thin shell caused quantum confinement effects.
Related Topics
Physical Sciences and Engineering
Materials Science
Nanotechnology
Authors
Liyun Lv, Jingjing Liu, Hong Wang,