Zobrazeno 1 - 10
of 22
pro vyhledávání: '"Qian Ma"'
Publikováno v:
Journal of Nanoscience and Nanotechnology. 17:488-494
Red to near-infrared (NIR)-emitting ternary-alloyed CdTe (x) Se(1−x) (x = 0–0.3) quantum dots (QDs) with tetrapod and dot morphologies have been synthesized by a facile method using oleic acid (OA) as single capping agent. The controlled dot-shap
Autor:
Xiaofang Zhou, Huibing Xu, Ronghui Liu, Chunlei Zhao, Chen Kai, Qian Ma, Yuanhong Liu, Hongqi Ye, Yunsheng Hu
Publikováno v:
Journal of Rare Earths. 34:470-474
Green emitting Eu 2+ doped (Ca x Sr 1– x ) 6 Si 25.6 Al 6.4 N 41.6 O 4.4 phosphors with x value ranging from 0 to 0.1 were synthesized by the solid state reaction method under nitrogen atmosphere. The X-ray diffraction (XRD) patterns of the phospho
Publikováno v:
Rare Metals. 33:723-726
Y0.95−x Eu0.05VO4:xBi3+ (x = 0, 0.02, 0.04, 0.06, 0.08, and 0.10 mol) six photoluminescence films were deposited on glass substrates by sol–gel spin-coating method. Their morphology and optical property were investigated. The micrographs for the
Publikováno v:
Luminescence. 29:386-392
In this study, a series of LaNbTiO6:RE(3+) (RE = Tb, Dy, Ho) down-converting phosphors were synthesized using a modified sol-gel combustion method, and their photoluminescence (PL) properties were investigated as a function of activator concentration
Publikováno v:
Luminescence. 28:287-293
A new ion sensor based on hybrid SiO2-coated CdTe nanocrystals (NCs) was prepared and applied for sensitive sensing of Cu2+ and Ag+ for the selective quenching of photoluminescence (PL) of NCs in the presence of ions. As shown by ion detection experi
Publikováno v:
Materials Research Bulletin. 47:4126-4130
In this paper, we provided a new green-emitting LaNbTiO 6 : x Er 3+ , y Bi 3+ micro/nanophosphors with good photoluminescence (PL) performance synthesized by a modified sol–gel combustion method for the first time. Down-converted luminescence from
Autor:
Aiyu Zhang, Jie Yang, Ruixia Shi, Qian Ma, Ping Yang, Yongqiang Cao, Yuanna Zhu, Jianrong Wang
Publikováno v:
Journal of Nanoscience and Nanotechnology. 12:4670-4677
CdSe cores with rod (an aspect ratio of 1.8, d-5 nm) and spherical (an aspect ratio of 1, d-5 nm) morphologies were fabricated by two kinds of organic approaches through adjusting growth processes. Because of large difference of size and morphology,
Publikováno v:
Journal of Rare Earths. 30:426-430
Photoluminescence properties of Sr2.5Dy1/3–xEuxV2O8 (x=0, 0.06, 0.12, 0.18, 0.24, 0.33) were investigated. The excitation spectra included a broad band in the short wavelength region and several sharp lines in the longer wavelength region, and the
Publikováno v:
Journal of Materials Science. 47:3770-3776
The synthesis and photoluminescence (PL) properties of aqueous CdTe/ZnO core/shell quantum dots (QDs) have been investigated by using thiolglycolic acid as a capping reagent. The highlighted contribution of the present study was CdTe QDs coated with
Publikováno v:
Materials Chemistry and Physics. 116:315-318
Undoped and Eu 3+ -activated Bi 3 TiNbO 9 (BTNO) nanophosphors have been successfully synthesized by sol–gel combustion method. The effects of thermal annealing on the phase structure and crystallinity, morphology and UV–vis absorption of BTNO pa