Hot injection method is well established and widely used technique for the synthesis of quantum dots and nanocrystals. In the present study, we report on size, shape, and phase controlled ZnSe nanocrystals, which were synthesized by facile hot injection method. For the synthesis, zinc sulfate heptahydrate is used as Zn precursor, Selenium powder is used as Se source and Oleylamine was as the capping ligand, stabilizer. The synthesized ZnSe nanocrystals were characterized by x-ray diffraction, Raman spectra, UV-Visible spectroscopy, and Photoluminescence spectroscopy. The x-ray diffraction confirms cubic zinc-blende crystal structure with orientation along (111) plane phase with 20 nm average crystalline size for ZnSe nanocrystals. The optical properties of ZnSe nanocrystals studied using UV-Visible and photoluminescence spectroscopy and obtained excitation wavelength 545 nm with estimated bandgap is 2.24 eV. The chemically prepared ZnSe nanocrystals are good candidate as buffer layer by replacing CdS in solar cell application.
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10 March 2021
4TH INTERNATIONAL CONFERENCE ON EMERGING TECHNOLOGIES; MICRO TO NANO, 2019: (ETMN 2019)
16–17 December 2019
Pune, India
Research Article|
March 10 2021
Investigation of optical and structural properties of ZnSe nanocrystals for heterojunction solar cell applications
Mamta P. Nasane;
Mamta P. Nasane
1
School of Energy Studies, Savitribai Phule Pune University
, Ganeshkhind, Pune – 411007. India
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Bharat R. Bade;
Bharat R. Bade
1
School of Energy Studies, Savitribai Phule Pune University
, Ganeshkhind, Pune – 411007. India
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Sachin R. Rondiya;
Sachin R. Rondiya
1
School of Energy Studies, Savitribai Phule Pune University
, Ganeshkhind, Pune – 411007. India
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Sagar B. Jathar;
Sagar B. Jathar
1
School of Energy Studies, Savitribai Phule Pune University
, Ganeshkhind, Pune – 411007. India
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Sunil V. Barma;
Sunil V. Barma
1
School of Energy Studies, Savitribai Phule Pune University
, Ganeshkhind, Pune – 411007. India
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Kiran B. Kore;
Kiran B. Kore
1
School of Energy Studies, Savitribai Phule Pune University
, Ganeshkhind, Pune – 411007. India
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Sandesh R. Jadkar;
Sandesh R. Jadkar
2
Department of Physics, Savitribai Phule Pune University
, Ganeshkhind, Pune – 411007. India
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Adinath M. Funde
Adinath M. Funde
a)
1
School of Energy Studies, Savitribai Phule Pune University
, Ganeshkhind, Pune – 411007. India
a)Corresponding author: +91 20 2569 5201, adinathf@gmail.com (AMF)
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a)Corresponding author: +91 20 2569 5201, adinathf@gmail.com (AMF)
AIP Conf. Proc. 2335, 040003 (2021)
Citation
Mamta P. Nasane, Bharat R. Bade, Sachin R. Rondiya, Sagar B. Jathar, Sunil V. Barma, Kiran B. Kore, Sandesh R. Jadkar, Adinath M. Funde; Investigation of optical and structural properties of ZnSe nanocrystals for heterojunction solar cell applications. AIP Conf. Proc. 10 March 2021; 2335 (1): 040003. https://doi.org/10.1063/5.0043344
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