Synthesis and Photodetection Properties of Sonochemically Exfoliated Cu0.2Sn0.8Se Nanoparticles
| Authors | Kunjal Patel, G.K. Solanki , K.D. Patel , V.M. Pathak , Payal Chauhan, Anand Patel |
| Affiliations |
Department of Physics, Sardar Patel University, Vallabh Vidyanagar, 388120 Gujarat, India |
| Е-mail | kunjal_92@yahoo.com |
| Issue | Volume 12, Year 2020, Number 2 |
| Dates | Received 15 February 2020; revised manuscript received 12 April 2020; published online 25 April 2020 |
| Citation | Kunjal Patel, G.K. Solanki, J. Nano- Electron. Phys. 12 No 2, 02005 (2020) |
| DOI | https://doi.org/10.21272/jnep.12(2).02005 |
| PACS Number(s) | 61.46.Df, 78.67.Bf |
| Keywords | Exfoliation (3) , Nanoparticles (70) , Photodetector (8) , Response time (3) . |
| Annotation |
Transition metal chalcogenides (TMCs) with atomically minute structure have shown excessive potential for their optoelectronics field applications and their counterparts. TMCs unique layer dependent properties have pinched increasing consideration of scientists. Here, the high yield synthesis of atomically minute Cu0.2Sn0.8Se nanoparticles has been reported. The nanoparticles are synthesised by sonochemical exfoliation technique. The exfoliated Cu0.2Sn0.8Se nanoparticles have orthorhombic lattice structure which is confirmed from powder X-ray Diffraction with Pnma space group. The lateral morphology of the as-synthesized nanoparticles examined under transmission electron microscopy showed them to be of uniform spherical shape. The selected area electron diffraction showed a spot pattern stating the particles to be single crystalline. Moreover, the photodetector based on Cu0.2Sn0.8Se nanoparticles thin film is fabricated. The periodic 670 nm laser illumination of power intensity 3 mW/cm2 is used to study the detector properties. The enhanced photo responsivity and specific detectivity is observed along with fast response. The outstanding detection properties are revealed from the responsivity, specific detectivity, and external quantum efficiency (EQE) of Cu0.2Sn0.8Se nanoparticles-based photodetector. |
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List of References |
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