SiOx nanodots as a ‘green gap’ solution

Aniruddha Mondal; Bikram Kishore Mahajan; Bijit Choudhuri; Ajitabh Kumar Tiwari; Santanu Chakrabarty; Kalyan K. Chattopadhyay

doi:10.1117/1.JNP.8.083069

22 December 2014 SiOx nanodots as a ‘green gap’ solution

Aniruddha Mondal, Bikram Kishore Mahajan, Bijit Choudhuri, Ajitabh Kumar Tiwari, Santanu Chakrabarty, Kalyan K. Chattopadhyay

Author Affiliations +

Journal of Nanophotonics, Vol. 8, Issue 1, 083069 (December 2014). https://doi.org/10.1117/1.JNP.8.083069

Abstract

We have synthesized SiO_x nanodots (NDs) on a TiO₂ dielectric using a glancing angle deposition technique. The SiO_x NDs were 11 to 22 nm in diameter, which was confirmed by atomic force microscopy image. A green light emission (550 nm) was observed from SiO_x NDs when excited with a xenon lamp of wavelength 322 nm. The emission was redshifted (∼6 nm) when the excitation was changed to 325 nm. The SiO_x NDs-based detector showed a very low leakage current of ∼9 nA (−0.05 V) and responded to the green light at 550 nm.

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Aniruddha Mondal, Bikram Kishore Mahajan, Bijit Choudhuri, Ajitabh Kumar Tiwari, Santanu Chakrabarty, and Kalyan K. Chattopadhyay "SiOx nanodots as a ‘green gap’ solution," Journal of Nanophotonics 8(1), 083069 (22 December 2014). https://doi.org/10.1117/1.JNP.8.083069

Published: 22 December 2014

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