Optical Characterization of Chemically Reduced Silver Nanoparticles for Dye Sensitized Solar Cells
| Authors | S. Saravanan, R.S. Dubey |
| Affiliations |
Advanced Research Laboratory for Nanomaterials & Devices, Department of Nanotechnology, Swarnandhra College of Engineering & Technology, Narsapur-534 280, West Godavari (A.P.), India |
| Е-mail | shasa86@gmail.com |
| Issue | Volume 12, Year 2020, Number 1 |
| Dates | Received 18 September 2019; revised manuscript received 15 February 2020; published online 25 February 2020 |
| Citation | S. Saravanan, R.S. Dubey, J. Nano- Electron. Phys. 12 No 1, 01009 (2020) |
| DOI | https://doi.org/10.21272/jnep.12(1).01009 |
| PACS Number(s) | 78.67.Bf, 88.40.hj |
| Keywords | Nanoparticles (70) , Silver (13) , FTIR (29) , EDX (5) , DSSC (7) . |
| Annotation |
Noble metal nanoparticles (NPs) are found their potential applications due to their physical, chemical and biological properties as compared to the bulk materials. In this work, colloidal silver (Ag) NPs are prepared by chemical reduction method and various investigations are presented using UV-vis spectroscopy, fluorescence (FL) spectroscopy, dynamic light scattering (DLS) particle size analyzer, Fourier transform infrared (FTIR) spectroscopy and energy dispersive X-ray (EDX) spectrometer. The transmittance spectrum (UV) showed the presence of Ag NPs at the lower spectral region, and FL study revealed the emission peak of colloidal AgNPs at wavelengths of 360 nm and 645 nm with the excitation wavelength of 320 nm. FTIR spectrum endorsed the various functional groups related to the elements present in the sample. The average diameter of the AgNPs is 58 nm as estimated by DLS technique. EDX spectra confirmed the peaks of elements confirming the formation of AgNPs. Further, AgNPs are used in the dye-sensitized solar cell (DSSC) fabrication and result is explored. |
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