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Optics and Spectroscopy, 2022, Volume 130, Issue 11, Pages 1755–1760
DOI: https://doi.org/10.21883/OS.2022.11.53785.3871-22 (Mi os1883) 		 
UV, IR, and terahertz optics

Effect of ligands on the photoconductivity of HgTe nanoplatelets

P. S. Parfenova, Ya. V. Grinevicha, A. V. Sokolovaa, A. A. Babaeva, I. D. Skurlova, S. A. Cherevkova, I. E. Kolesnikovb, A. P. Litvina

a Center of Information Optical Technology, ITMO University
b St. Petersburg State University, Resource Center for Optical and Laser Materials Research
Full-text PDF (256 kB)
DOI: https://doi.org/10.21883/OS.2022.11.53785.3871-22
Abstract: Near-IR semiconductor colloidal nanoplatelets (NPs) are a new and promising class of materials for the development of photodetectors because they can effectively absorb visible and infrared optical radiation. In this work, we study the photoconductivity of HgTe colloidal nanoplatelets with ligands of 1,2-ethanedithiol and tetrabutylammonium iodide. It has been shown that the choice of ligands is a key factor in achieving high operational characteristics. It has been shown that the photoconductivity sensitivity reaches 0.995 and the specific detectivity reaches 1.2 $\cdot$ 10$^9$ J Jones when 1,2-ethadithiol is used as ligands.
Keywords: Near-IR, photodetectors, specific detectivity, EDT, TBAI.
Funding agency Grant number
Russian Science Foundation 19-13-00332
Russian Foundation for Basic Research 20-32-90208
Saint Petersburg State University 93021679
This study was financially supported by the Russian Science Foundation (project № 19-13-00332). I.D. Skurlov thanks the Russian Foundation for Basic Research (project № 20-32-90208) for the support. Photoluminescence decay kinetics was measured at the Center for optical and laser materials research under financial support of St Petersburg University (project № 93021679).
Received: 18.07.2022
Revised: 17.08.2022
Accepted: 30.08.2022
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: P. S. Parfenov, Ya. V. Grinevich, A. V. Sokolova, A. A. Babaev, I. D. Skurlov, S. A. Cherevkov, I. E. Kolesnikov, A. P. Litvin, “Effect of ligands on the photoconductivity of HgTe nanoplatelets”, Optics and Spectroscopy, 130:11 (2022), 1755–1760
Citation in format AMSBIB
\Bibitem{ParGriSok22}
\by P.~S.~Parfenov, Ya.~V.~Grinevich, A.~V.~Sokolova, A.~A.~Babaev, I.~D.~Skurlov, S.~A.~Cherevkov, I.~E.~Kolesnikov, A.~P.~Litvin
\paper Effect of ligands on the photoconductivity of HgTe nanoplatelets
\jour Optics and Spectroscopy
\yr 2022
\vol 130
\issue 11
\pages 1755--1760
\mathnet{http://mi.mathnet.ru/os1883}
\crossref{https://doi.org/10.21883/OS.2022.11.53785.3871-22}
\elib{https://elibrary.ru/item.asp?id=50006387}
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