Nonlinear Optical Activities in Two-Dimensional Gallium Sulfide: A Comprehensive Study Article Swipe
Safayet Ahmed
,
Ping Kwong Cheng
,
Junpeng Qiao
,
Wei Gao
,
Ahmed Mortuza Saleque
,
Md. Nahian Al Subri Ivan
,
Ting Wang
,
Tawsif Ibne Alam
,
Sumaiya Umme Hani
,
Zong Liang Guo
,
S. F. Yu
,
Yuen Hong Tsang
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1021/acsnano.2c03566
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.1021/acsnano.2c03566
The nonlinear optical (NLO) properties of two-dimensional (2D) materials are fascinating for fundamental physics and optoelectronic device development. However, relatively few investigations have been conducted to establish the combined NLO activities of a 2D material. Herein, a study of numerous NLO properties of 2D gallium sulfide (GaS), including second-harmonic generation (SHG), two-photon excited fluorescence (TPEF), and NLO absorption are presented. The layer-dependent SHG response of 2D GaS identifies the noncentrosymmetric nature of the odd layers, and the second-order susceptibility (χ2) value of 47.98 pm/V (three-layers of GaS) indicates the superior efficiency of the SHG signal. In addition, structural deformation induces the symmetry breaking and facilitates the SHG in the bulk samples, whereas a possible efficient symmetry breaking in the liquid-phase exfoliated samples results in an enhancement of the SHG signal, providing prospective fields of investigation for researchers. The generation of TPEF from 800 to 860 nm depicts the two-photon absorption characteristics of 2D GaS material. Moreover, the saturable absorption characteristics of 2D GaS are realized from the largest nonlinear absorption coefficient (β) of -9.3 × 103, -91.0 × 103, and -6.05 × 103 cm/GW and giant modulation depths (Ts) of 24.4%, 35.3%, and 29.1% at three different wavelengths of 800, 1066, and 1560 nm, respectively. Hence, such NLO activities indicate that 2D GaS material can facilitate in the technical advancements of future nonlinear optoelectronic devices.
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Metadata
- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.1021/acsnano.2c03566
- OA Status
- green
- Cited By
- 52
- References
- 62
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4287306726
All OpenAlex metadata
Raw OpenAlex JSON
- OpenAlex ID
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https://openalex.org/W4287306726Canonical identifier for this work in OpenAlex
- DOI
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https://doi.org/10.1021/acsnano.2c03566Digital Object Identifier
- Title
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Nonlinear Optical Activities in Two-Dimensional Gallium Sulfide: A Comprehensive StudyWork title
- Type
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articleOpenAlex work type
- Language
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enPrimary language
- Publication year
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2022Year of publication
- Publication date
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2022-07-25Full publication date if available
- Authors
-
Safayet Ahmed, Ping Kwong Cheng, Junpeng Qiao, Wei Gao, Ahmed Mortuza Saleque, Md. Nahian Al Subri Ivan, Ting Wang, Tawsif Ibne Alam, Sumaiya Umme Hani, Zong Liang Guo, S. F. Yu, Yuen Hong TsangList of authors in order
- Landing page
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https://doi.org/10.1021/acsnano.2c03566Publisher landing page
- Open access
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YesWhether a free full text is available
- OA status
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greenOpen access status per OpenAlex
- OA URL
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https://ira.lib.polyu.edu.hk/bitstream/10397/99690/1/Ahmed_Nonlinear_Optical_Activities.pdfDirect OA link when available
- Concepts
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Second-harmonic generation, Absorption (acoustics), Materials science, Nonlinear optics, Two-photon absorption, Optoelectronics, Gallium, Nonlinear optical, Wavelength, Nonlinear system, Optics, Laser, Physics, Composite material, Metallurgy, Quantum mechanicsTop concepts (fields/topics) attached by OpenAlex
- Cited by
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52Total citation count in OpenAlex
- Citations by year (recent)
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2025: 22, 2024: 18, 2023: 10, 2022: 2Per-year citation counts (last 5 years)
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62Number of works referenced by this work
- Related works (count)
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10Other works algorithmically related by OpenAlex
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| referenced_works | https://openalex.org/W2904623341, https://openalex.org/W2910759756, https://openalex.org/W3085531912, https://openalex.org/W2791223442, https://openalex.org/W2990960560, https://openalex.org/W3049069426, https://openalex.org/W2589325415, https://openalex.org/W2091914796, https://openalex.org/W2123510746, https://openalex.org/W2760941386, https://openalex.org/W2945911460, https://openalex.org/W2791409051, https://openalex.org/W2262045619, https://openalex.org/W3007805297, https://openalex.org/W2900862708, https://openalex.org/W3126792744, https://openalex.org/W4241063102, https://openalex.org/W3022928066, https://openalex.org/W1444091019, https://openalex.org/W2150241560, https://openalex.org/W3164444660, https://openalex.org/W2171706974, https://openalex.org/W2078010004, https://openalex.org/W3217448331, https://openalex.org/W3094301251, https://openalex.org/W3213089394, https://openalex.org/W2556204617, https://openalex.org/W2036950027, https://openalex.org/W2903150540, https://openalex.org/W2137618050, https://openalex.org/W3124243193, https://openalex.org/W3025098841, https://openalex.org/W3092395704, https://openalex.org/W2920974514, https://openalex.org/W3129875123, https://openalex.org/W2121812455, https://openalex.org/W2900471146, https://openalex.org/W2936213903, https://openalex.org/W3094405609, https://openalex.org/W2607062523, https://openalex.org/W2085681351, https://openalex.org/W4205221157, https://openalex.org/W2946857538, https://openalex.org/W3101036923, https://openalex.org/W2793436863, https://openalex.org/W1974641276, https://openalex.org/W4200413503, https://openalex.org/W2889318064, https://openalex.org/W2989843763, https://openalex.org/W2280936404, https://openalex.org/W2319920427, https://openalex.org/W3089339862, https://openalex.org/W3165668822, https://openalex.org/W3206973409, https://openalex.org/W1974809126, https://openalex.org/W2091720879, https://openalex.org/W3093438155, https://openalex.org/W2891723525, https://openalex.org/W4205514389, https://openalex.org/W2967302423, https://openalex.org/W2053963037, https://openalex.org/W2001697381 |
| referenced_works_count | 62 |
| abstract_inverted_index.a | 32, 36, 112 |
| abstract_inverted_index.2D | 33, 43, 65, 152, 161, 211 |
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| abstract_inverted_index.an | 124 |
| abstract_inverted_index.at | 194 |
| abstract_inverted_index.in | 107, 117, 123, 216 |
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| abstract_inverted_index.× | 174, 177, 181 |
| abstract_inverted_index.800 | 142 |
| abstract_inverted_index.860 | 144 |
| abstract_inverted_index.GaS | 66, 153, 162, 212 |
| abstract_inverted_index.NLO | 29, 40, 56, 207 |
| abstract_inverted_index.SHG | 62, 93, 106, 128 |
| abstract_inverted_index.The | 0, 60, 137 |
| abstract_inverted_index.and | 14, 55, 75, 103, 179, 184, 192, 201 |
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| abstract_inverted_index.-9.3 | 173 |
| abstract_inverted_index.1560 | 202 |
| abstract_inverted_index.800, | 199 |
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| abstract_inverted_index.TPEF | 140 |
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| abstract_inverted_index.that | 210 |
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| abstract_inverted_index.-91.0 | 176 |
| abstract_inverted_index.1066, | 200 |
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| abstract_inverted_index.value | 80 |
| abstract_inverted_index.(GaS), | 46 |
| abstract_inverted_index.(SHG), | 50 |
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| abstract_inverted_index.35.3%, | 191 |
| abstract_inverted_index.Hence, | 205 |
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| abstract_inverted_index.gallium | 44 |
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| abstract_inverted_index.possible | 113 |
| abstract_inverted_index.realized | 164 |
| abstract_inverted_index.response | 63 |
| abstract_inverted_index.samples, | 110 |
| abstract_inverted_index.superior | 89 |
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| abstract_inverted_index.saturable | 157 |
| abstract_inverted_index.technical | 218 |
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| abstract_inverted_index.researchers. | 136 |
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| abstract_inverted_index.10<sup>3</sup> | 182 |
| abstract_inverted_index.investigations | 21 |
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| corresponding_author_ids | https://openalex.org/A5079901383, https://openalex.org/A5004103997 |
| countries_distinct_count | 2 |
| institutions_distinct_count | 12 |
| corresponding_institution_ids | https://openalex.org/I14243506, https://openalex.org/I182722699 |
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| citation_normalized_percentile.is_in_top_10_percent | True |