Second harmonic generation and broad-band photoluminescence in mesoporous Si/SiO<sub>2</sub> nanoparticles-Reference-Cited by-同舟云学术

Second harmonic generation and broad-band photoluminescence in mesoporous Si/SiO₂ nanoparticles

Published:2024-08-01 Issue:18 Volume:13 Page:3299-3309
ISSN:2192-8614
Container-title:Nanophotonics
language:en
Short-container-title:

Author:

Mastalieva Viktoriia¹²^ORCID,Neplokh Vladimir¹³,Aybush Arseniy⁴,Stovpiaga Ekaterina²,Eurov Daniil²,Vinnichenko Maksim³,Karaulov Danila²³,Kirillenko Demid²,Mozharov Alexey¹,Sharov Vladislav¹²,Kolchanov Denis⁵^ORCID,Machnev Andrey⁵,Golubev Valery²,Smirnov Alexander²,Ginzburg Pavel⁵,Makarov Sergey⁶⁷^ORCID,Kurdyukov Dmitry²,Mukhin Ivan¹³⁶

Affiliation:

1. Alferov University , Khlopina 8/3, 194021 , St. Petersburg , Russia

2. Ioffe Institute , Polytechnicheskaya Str., 26, 194021 , St. Petersburg , Russia

3. Peter the Great St. Petersburg Polytechnic University , Polytechnicheskaya 29, 195251 , St. Petersburg , Russia

4. N.N. Semenov Federal Research Center for Chemical Physics , Russian Academy of Sciences , Kosygin Street 4, 119991 Moscow , Russia

5. Tel Aviv University , Ramat Aviv, 69978 Tel Aviv , Israel

6. Qingdao Innovation and Development Center , Harbin Engineering University , Qingdao 266000 , Shandong , China

7. ITMO University , 197101 , St. Petersburg , Russia

Abstract

Abstract Efficient second harmonic generation and broad-band photoluminescence from deeply subwavelength and nontoxic nanoparticles is essential for nanophotonic applications. Here, we explore nonlinear optical response from mesoporous Si/SiO2, SiO2, and Si nanoparticles, considering various fabrication and treatment procedures. We show that thermal annealing (including femtosecond laser treatment) of mesoporous Si/SiO2 nanoparticles provides the transformation of Si phase from amorphous to crystalline, enhancing the second harmonic and nonlinear photoluminescent response. Notably, the SiO2 mesoporous frame of the considered Si/SiO2 nanoparticles plays a dual positive role for the nonlinear process: it stabilizes the Si material, and SiO2:OH− material has a second-order nonlinearity itself and impacts to the observed second harmonic signal.

Funder

FRCCP RAS

Russian Science Foundation

the Ministry of Science and Higher Education of the Russian Federation

Publisher

Walter de Gruyter GmbH

Link

https://www.degruyter.com/document/doi/10.1515/nanoph-2024-0218/pdf

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