Cu2CoSnS4 (CCTS) quaternary semiconducting nanoparticles with size distribution from 20 nm to 60 nm were synthesized by one-pot low temperature time and surfactant dependent hydrothermal route. Nanoparticles were characterized structurally and optically. Excitation dependent fluorescence exhibited a dynamic stoke shift referring to the Red-Edge-Effect with peak shifting by a greater magnitude (>100 nm) towards red side, in all the samples. Hybrid devices, fabricated from CCTS nanoparticle inorganic counterparts benefitting from the conjugation of organic P3HT polymer matrix, were demonstrated for photodetection under infra-red and A.M 1.5 solar light illuminations. Faster rise and decay constants of 37 ms and 166 ms, with one order photocurrent amplification from 1.6 × 10−6 A in the dark to 6.55 × 10−5 A, upon the 18.50 mW cm−2 IR lamp illumination, make CCTS a potential candidate for photodetector and photovoltaic applications.
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14 October 2013
Research Article|
October 11 2013
Facile synthesis of Cu2CoSnS4 nanoparticles exhibiting red-edge-effect: Application in hybrid photonic devices
Banavoth Murali;
Banavoth Murali
Materials Research Center, Indian Institute of Science
, Bangalore 560012, India
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S. B. Krupanidhi
S. B. Krupanidhi
a)
Materials Research Center, Indian Institute of Science
, Bangalore 560012, India
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a)
E-mail: sbk@mrc.iisc.ernet.in.
J. Appl. Phys. 114, 144312 (2013)
Article history
Received:
September 13 2013
Accepted:
September 27 2013
Citation
Banavoth Murali, S. B. Krupanidhi; Facile synthesis of Cu2CoSnS4 nanoparticles exhibiting red-edge-effect: Application in hybrid photonic devices. J. Appl. Phys. 14 October 2013; 114 (14): 144312. https://doi.org/10.1063/1.4825070
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