TY - JOUR
T1 - Synthesis and characterization of hybrid Ag-ZnO nanocomposite for the application of sensor selectivity
AU - Sharma, Sanjeev K.
AU - Ghodake, Gajanan S.
AU - Kim, Deuk Young
AU - Kim, Dae Young
AU - Thakur, O. P.
N1 - Publisher Copyright:
© 2018 Elsevier B.V.
PY - 2018/4
Y1 - 2018/4
N2 - Facile, rapid, and environmentally benign hybrid Ag-ZnO nanocomposites were synthesized by two steps from green synthesis approach at room temperature. The absence of an impurity peak in X-ray diffraction (XRD) pattern confirmed the formation of polycrystalline nanocomposite material. An additional peak (111) of Ag was detected along with ZnO crystalline wurtzite structure. The surface area electron diffraction (SAED) pattern further confirmed the crystallinity of nanocomposites. The compositional analysis of hybrid Ag-ZnO was determined by EDS-mapping and confirmed the presence of Zn, O and Ag in the composite. The room-temperature photoluminescence (PL) spectra of hybrid Ag-ZnO depict a weak ultraviolet (UV) emission at 385 nm, and the strong visible emission at ∼600 nm, while increasing the Ag concentration in to ZnO matrix, the UV peak was completely disappeared and major visible peak was moved to ∼500 nm indicated to the best optimal detection peak for sensors. The fluorescence spectra were measured with respect to Ag concentrations of Ag-ZnO nanocomposite at room temperature to investigate the functionality and the selectivity of nanomaterials. This work opens a notable way to fabricate Ag-ZnO nanohybrids, and makes a significant contribution to the fluorescence based sensor applications.
AB - Facile, rapid, and environmentally benign hybrid Ag-ZnO nanocomposites were synthesized by two steps from green synthesis approach at room temperature. The absence of an impurity peak in X-ray diffraction (XRD) pattern confirmed the formation of polycrystalline nanocomposite material. An additional peak (111) of Ag was detected along with ZnO crystalline wurtzite structure. The surface area electron diffraction (SAED) pattern further confirmed the crystallinity of nanocomposites. The compositional analysis of hybrid Ag-ZnO was determined by EDS-mapping and confirmed the presence of Zn, O and Ag in the composite. The room-temperature photoluminescence (PL) spectra of hybrid Ag-ZnO depict a weak ultraviolet (UV) emission at 385 nm, and the strong visible emission at ∼600 nm, while increasing the Ag concentration in to ZnO matrix, the UV peak was completely disappeared and major visible peak was moved to ∼500 nm indicated to the best optimal detection peak for sensors. The fluorescence spectra were measured with respect to Ag concentrations of Ag-ZnO nanocomposite at room temperature to investigate the functionality and the selectivity of nanomaterials. This work opens a notable way to fabricate Ag-ZnO nanohybrids, and makes a significant contribution to the fluorescence based sensor applications.
KW - Elemental compositions
KW - Fluorescence spectra measurements
KW - Microstructural and optical properties
KW - Synthesis of hybrid Ag-ZnO nanocomposites
UR - http://www.scopus.com/inward/record.url?scp=85041552616&partnerID=8YFLogxK
U2 - 10.1016/j.cap.2018.02.002
DO - 10.1016/j.cap.2018.02.002
M3 - Article
AN - SCOPUS:85041552616
SN - 1567-1739
VL - 18
SP - 377
EP - 383
JO - Current Applied Physics
JF - Current Applied Physics
IS - 4
ER -