TY - JOUR
T1 - Role of Sm in tuning the third-order nonlinear optical properties of spray coated Sn1-xSmxO2 films
AU - Asha Hind, P.
AU - Patil, Parutagouda Shankaragouda
AU - Gummagol, Neelamma B.
AU - Goutam, U. K.
AU - Rajendra, B. V.
N1 - Funding Information:
The authors express their gratitude to MAHE Manipal-UNSW Sydney Australia sanctioning seed fund for their collaboration in the current research. The authors are indebted to UGC-DAE CSR, Mumbai Center, India for providing financial aid via UDCSR/MUM/AO/CRS-M-315/2020/352. Dr. P.S. Patil thanks Science and Engineering Research Board (SERB), India, for providing Core Research Grant (EMR/2017/003632). The authors thank Manipal Institute of Technology (MIT), MAHE, Manipal, for aiding with the basic infrastructure and also the characterization facilities required for carrying out the research work. Authors are also grateful to Dr. Sudha. D. Kamath for permitting the use of the photoluminescence analysis facility. Authors also thank RRCAT Indore center for providing XPS characterization facility.
Funding Information:
The authors express their gratitude to MAHE Manipal-UNSW Sydney Australia sanctioning seed fund for their collaboration in the current research. The authors are indebted to UGC-DAE CSR, Mumbai Center, India for providing financial aid via UDCSR/MUM/AO/CRS-M-315/2020/352. Dr. P.S. Patil thanks Science and Engineering Research Board (SERB), India , for providing Core Research Grant ( EMR/2017/003632 ). The authors thank Manipal Institute of Technology (MIT), MAHE, Manipal, for aiding with the basic infrastructure and also the characterization facilities required for carrying out the research work. Authors are also grateful to Dr. Sudha. D. Kamath for permitting the use of the photoluminescence analysis facility. Authors also thank RRCAT Indore center for providing XPS characterization facility.
Publisher Copyright:
© 2023 Elsevier B.V.
PY - 2023/3
Y1 - 2023/3
N2 - In this work, the different physical and optical properties of spray coated nanostructured Sn1-xSmxO2 (x = 0.0 to 0.1) films were analyzed using various characterization techniques. All the films exhibited tetragonal structure with (1 1 0) as the prominent plane. The doping in general reduced the crystalline nature of the films along with narrowing of the bandgap values. Among the doped films, the most transmitting film was the 2 at.% Sm doped film, whereas the most crystalline was the 7 at.% Sm doped film. The fibrous morphology changed to distinct grains with the increase in Sm concentration. The oxidation states of the constituent elements were confirmed using X-ray photoelectron spectroscopy (XPS). The photoluminescence (PL) intensity was influenced by doping and emissions corresponding to the host SnO2 lattice were observed in the UV and visible regions. The PL emissions corresponding to the Sm ion transitions could not be found in the spectra. All the films exhibited third-order nonlinear optical nature with reverse saturable absorption. The suitability of these films as optical limiting material was identified. The magnitude of third-order nonlinear susceptibility χ(3) was also estimated to be in the range of 10−3-10−2 esu and the least optical limiting threshold was shown by Sn0.93Sm0.07O2 films.
AB - In this work, the different physical and optical properties of spray coated nanostructured Sn1-xSmxO2 (x = 0.0 to 0.1) films were analyzed using various characterization techniques. All the films exhibited tetragonal structure with (1 1 0) as the prominent plane. The doping in general reduced the crystalline nature of the films along with narrowing of the bandgap values. Among the doped films, the most transmitting film was the 2 at.% Sm doped film, whereas the most crystalline was the 7 at.% Sm doped film. The fibrous morphology changed to distinct grains with the increase in Sm concentration. The oxidation states of the constituent elements were confirmed using X-ray photoelectron spectroscopy (XPS). The photoluminescence (PL) intensity was influenced by doping and emissions corresponding to the host SnO2 lattice were observed in the UV and visible regions. The PL emissions corresponding to the Sm ion transitions could not be found in the spectra. All the films exhibited third-order nonlinear optical nature with reverse saturable absorption. The suitability of these films as optical limiting material was identified. The magnitude of third-order nonlinear susceptibility χ(3) was also estimated to be in the range of 10−3-10−2 esu and the least optical limiting threshold was shown by Sn0.93Sm0.07O2 films.
UR - http://www.scopus.com/inward/record.url?scp=85147198693&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85147198693&partnerID=8YFLogxK
U2 - 10.1016/j.optmat.2023.113513
DO - 10.1016/j.optmat.2023.113513
M3 - Article
AN - SCOPUS:85147198693
SN - 0925-3467
VL - 137
JO - Optical Materials
JF - Optical Materials
M1 - 113513
ER -