Morphology-dependent resonance enhanced nonlinear photoacoustic effect in nanoparticle suspension: a temporal-spatial model
The morphology-dependent resonances (MDRs) hotspot, ubiquity formed between the pairs of nanoparticles in close vicinity, has garnered considerable recent attention. By extending this phenomenon to pulse-laser irradiated nanoparticle suspension, we demonstrate that such collective optical/thermal en...
| Main Authors: | , , , , , |
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| Other Authors: | |
| Format: | Journal Article |
| Language: | English |
| Published: |
2022
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| Subjects: | |
| Online Access: | https://hdl.handle.net/10356/161100 |
| _version_ | 1811680113247387648 |
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| author | Zheng, Zesheng Bindra, Anivind Kaur Jin, Haoran Sun, Quqin Liu, Siyu Zheng, Yuanjin |
| author2 | School of Electrical and Electronic Engineering |
| author_facet | School of Electrical and Electronic Engineering Zheng, Zesheng Bindra, Anivind Kaur Jin, Haoran Sun, Quqin Liu, Siyu Zheng, Yuanjin |
| author_sort | Zheng, Zesheng |
| collection | NTU |
| description | The morphology-dependent resonances (MDRs) hotspot, ubiquity formed between the pairs of nanoparticles in close vicinity, has garnered considerable recent attention. By extending this phenomenon to pulse-laser irradiated nanoparticle suspension, we demonstrate that such collective optical/thermal enhancement can give rise to the nonlinear photoacoustic (PA) generation. In this study, a temporal-spatial analytical expression is derived to quantitatively describe the nonlinear PA signal generation from nanoparticles, incorporating the Grüneisen increase at the microscopic individual particle level and MRDs enhancement at the macroscopic suspension level. The dependence of PA nonlinearity on the critical contributors, including the laser pulse width, the particle size, and the statistical interparticle spacing, is quantitatively discussed. The theory is well validated with the finite element method (FEM) and experimentally proved with semiconducting polymer nanoparticles (SPN) suspension. This work may pave a new direction towards effective MDR based nonlinear PA contract agent design. |
| first_indexed | 2024-10-01T03:19:53Z |
| format | Journal Article |
| id | ntu-10356/161100 |
| institution | Nanyang Technological University |
| language | English |
| last_indexed | 2024-10-01T03:19:53Z |
| publishDate | 2022 |
| record_format | dspace |
| spelling | ntu-10356/1611002023-02-28T20:10:23Z Morphology-dependent resonance enhanced nonlinear photoacoustic effect in nanoparticle suspension: a temporal-spatial model Zheng, Zesheng Bindra, Anivind Kaur Jin, Haoran Sun, Quqin Liu, Siyu Zheng, Yuanjin School of Electrical and Electronic Engineering School of Physical and Mathematical Sciences Engineering::Electrical and electronic engineering Nanoparticle Morphology The morphology-dependent resonances (MDRs) hotspot, ubiquity formed between the pairs of nanoparticles in close vicinity, has garnered considerable recent attention. By extending this phenomenon to pulse-laser irradiated nanoparticle suspension, we demonstrate that such collective optical/thermal enhancement can give rise to the nonlinear photoacoustic (PA) generation. In this study, a temporal-spatial analytical expression is derived to quantitatively describe the nonlinear PA signal generation from nanoparticles, incorporating the Grüneisen increase at the microscopic individual particle level and MRDs enhancement at the macroscopic suspension level. The dependence of PA nonlinearity on the critical contributors, including the laser pulse width, the particle size, and the statistical interparticle spacing, is quantitatively discussed. The theory is well validated with the finite element method (FEM) and experimentally proved with semiconducting polymer nanoparticles (SPN) suspension. This work may pave a new direction towards effective MDR based nonlinear PA contract agent design. Ministry of Education (MOE) Published version Ministry of Education - Singapore (AcRF Tier 2: MOE2019-T2-2-179). 2022-08-15T08:27:11Z 2022-08-15T08:27:11Z 2021 Journal Article Zheng, Z., Bindra, A. K., Jin, H., Sun, Q., Liu, S. & Zheng, Y. (2021). Morphology-dependent resonance enhanced nonlinear photoacoustic effect in nanoparticle suspension: a temporal-spatial model. Biomedical Optics Express, 12(12), 7280-7296. https://dx.doi.org/10.1364/BOE.434207 2156-7085 https://hdl.handle.net/10356/161100 10.1364/BOE.434207 35003833 2-s2.0-85119971065 12 12 7280 7296 en MOE2019-T2-2-179 Biomedical Optics Express © 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement. Users may use, reuse, and build upon the article, or use the article for text or data mining, so long as such uses are for noncommercial purposes and appropriate attribution is maintained. All other rights are reserved. application/pdf |
| spellingShingle | Engineering::Electrical and electronic engineering Nanoparticle Morphology Zheng, Zesheng Bindra, Anivind Kaur Jin, Haoran Sun, Quqin Liu, Siyu Zheng, Yuanjin Morphology-dependent resonance enhanced nonlinear photoacoustic effect in nanoparticle suspension: a temporal-spatial model |
| title | Morphology-dependent resonance enhanced nonlinear photoacoustic effect in nanoparticle suspension: a temporal-spatial model |
| title_full | Morphology-dependent resonance enhanced nonlinear photoacoustic effect in nanoparticle suspension: a temporal-spatial model |
| title_fullStr | Morphology-dependent resonance enhanced nonlinear photoacoustic effect in nanoparticle suspension: a temporal-spatial model |
| title_full_unstemmed | Morphology-dependent resonance enhanced nonlinear photoacoustic effect in nanoparticle suspension: a temporal-spatial model |
| title_short | Morphology-dependent resonance enhanced nonlinear photoacoustic effect in nanoparticle suspension: a temporal-spatial model |
| title_sort | morphology dependent resonance enhanced nonlinear photoacoustic effect in nanoparticle suspension a temporal spatial model |
| topic | Engineering::Electrical and electronic engineering Nanoparticle Morphology |
| url | https://hdl.handle.net/10356/161100 |
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