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Photoluminescence and photothermal effect of Fe3O4 nanoparticles for medical imaging and therapy
Abstract
Photoluminescence (PL) of Fe3O4 nanoparticle was observed from the visible to near-infrared (NIR) range by laser irradiation at 407 nm. PL spectra of ∼10 nm diameter Fe3O4 nanoparticles organized in different spatial configuration, showed characteristic emissions with a major peak near 560 nm, and two weak peaks near 690 nm and 840 nm. Different band gap energies were determined for these Fe3O4 nanoparticle samples corresponding to, respectively, the electron band structures of the octahedral site (2.2 eV) and the tetrahedral site (0.9 eV). Photothermal effect of Fe3O4 nanoparticles was found to be associated with the photoluminescence emissions in the NIR range. Also discussed is the mechanism responsible for the photothermal effect of Fe3O4 nanoparticles in medical therapy.
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Cited by
Jain, S., Shah, J., Negi, N. S., Sharma, C., & Kotnala, R. K. (2019) · International Journal of Energy Research · doi:10.1002/er.4613 · Cited by 470
Recent advances in different modal imaging-guided photothermal therapy
Chen, Q., Wen, J., Li, H., Xu, Y., Liu, F., & Sun, S. (2016) · Biomaterials · doi:10.1016/j.biomaterials.2016.08.022 · Cited by 265
Palanisamy, S., & Wang, Y.-M. (2019) · Dalton Transactions · doi:10.1039/c9dt00459a · Cited by 230
Lyu, M., Lin, J., Krupczak, J., & Shi, D. (2021) · Advanced Sustainable Systems · doi:10.1002/adsu.202100006 · Cited by 24
Self-citationLin, J., Lyu, M., & Shi, D. (2023) · Energies · doi:10.3390/en16073173 · Cited by 19
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Metadata
- Authors
- Sadat, M. E., Kaveh Baghbador, M., Dunn, A. W., Wagner, H. P., Ewing, R. C., Zhang, J., Xu, H., Pauletti, G. M., Mast, D. B., & Shi, D.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2014-09-01
- Volume
- 105
- Issue
- 9
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W2019465500
- Cited by
- 185
- References
- 0
- FWCI
- 3.64
- Type
- journal article
- Language
- en
- Open access
- closed
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- Sadat, M. E., Kaveh Baghbador, M., Dunn, A. W., Wagner, H. P., Ewing, R. C., Zhang, J., Xu, H., Pauletti, G. M., Mast, D. B., & Shi, D. (2014). Photoluminescence and photothermal effect of Fe3O4 nanoparticles for medical imaging and therapy. Applied Physics Letters. https://doi.org/10.1063/1.4895133
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