Synthesis and characterization of Sm3þ:Bi4Si3O12 and dispersed into silica nanophosphor for sensing application
R. Helmy;
Abstract
Lanthanide doped bismuth silicate has been synthesized in micro scale domain and studied from
structural, magnetic, thermal, as well as optical, and photoluminescent point of view. However, its
preparation in nano-scale domain and applications in sensing field were still unexplored. In this study,
we have applied different preparation conditions to prepare nano-phosphors based on samarium doped
bismuth silicate (Sm3þ:Bi4Si3O12) for sensing application. X mol Sm3þ:Bi4Si3O12 (Sm3þ:BSO) (x ¼ 0.01,
0.03, 0.05, 0.07 mol) were prepared using solegel method followed by heat treatment. The effect of
different surfactants as well as dispersion into silica matrix on the crystal, morphological, optical, and
photoluminescent properties of 0.03 mol Sm3þ:BSO Nano-phosphor were also studied. XRD and TEM
results indicated that the capping agents (CTAB and TX100) and silica matrix can hinder BSO Nano phosphor crystal growth, and, as a consequence, decrease their crystal size from micro to Nano domain in case of sample dispersed into silica matrix (Sm3þ:BSO/SiO2) (3 nm). Sm3þ:BSO/SiO2 shows
high PL properties. Optimized PL Nano-phosphor (Sm3þ:BSO/SiO2) successfully developed latent
fingerprint from various forensic relevant materials, including non-porous and porous surfaces. More over, the amino functionalized 0.03 mol Sm3þ:BSO/SiO2 sensor was prepared for analytical determination
of glucose
structural, magnetic, thermal, as well as optical, and photoluminescent point of view. However, its
preparation in nano-scale domain and applications in sensing field were still unexplored. In this study,
we have applied different preparation conditions to prepare nano-phosphors based on samarium doped
bismuth silicate (Sm3þ:Bi4Si3O12) for sensing application. X mol Sm3þ:Bi4Si3O12 (Sm3þ:BSO) (x ¼ 0.01,
0.03, 0.05, 0.07 mol) were prepared using solegel method followed by heat treatment. The effect of
different surfactants as well as dispersion into silica matrix on the crystal, morphological, optical, and
photoluminescent properties of 0.03 mol Sm3þ:BSO Nano-phosphor were also studied. XRD and TEM
results indicated that the capping agents (CTAB and TX100) and silica matrix can hinder BSO Nano phosphor crystal growth, and, as a consequence, decrease their crystal size from micro to Nano domain in case of sample dispersed into silica matrix (Sm3þ:BSO/SiO2) (3 nm). Sm3þ:BSO/SiO2 shows
high PL properties. Optimized PL Nano-phosphor (Sm3þ:BSO/SiO2) successfully developed latent
fingerprint from various forensic relevant materials, including non-porous and porous surfaces. More over, the amino functionalized 0.03 mol Sm3þ:BSO/SiO2 sensor was prepared for analytical determination
of glucose
Other data
Title | Synthesis and characterization of Sm3þ:Bi4Si3O12 and dispersed into silica nanophosphor for sensing application | Authors | R. Helmy | Keywords | Lanthanide;Fluorescence;Sensor;Latent fingerprint;Glucose | Issue Date | 21-Jun-2018 | Publisher | Elsevier B.V. | Journal | Journal of Molecular Structure | Volume | 1173 | Start page | 111 | End page | 119 | DOI | https://doi.org/10.1016/j.molstruc.2018.06.081 |
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