Enhanced Photoluminescence of Electrodeposited Europium Complex on Bare and Terpyridine-Functionalized Porous Si Surfaces
Abstract
:1. Introduction
2. Materials and Methods
3. Results
3.1. Suface Functionalization
3.2. Suface Morphology of Porous Si and Electrodeposited Samples
3.3. Crystal Phases of the As-Electrodeposited and Thermal-Annealed Samples
3.4. FT-IR of the As-Electrodeposited and Thermal-Annealed Samples
3.5. Eu-Complexation with the Monolayer Terpyridine Ligand
3.6. Photoluminescence of Electrodeposited Eu on the Si Substrate
3.7. Photoluminescence of Electrodeposited Eu on the Porous Si Substrate
3.8. Photoluminescence of Electrodeposited Eu on the PS-Si-Tpy Substrate
3.9. Photoluminescence Decay Kinetics
3.10. Surface Chemical States of the Electrodeposited Materials
4. Discussion
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Parameters | PS-Si-Tpy/Eu (374 nm) | PS-Si-Tpy/Eu-700 °C (374 nm) | PS-Si-Tpy/Eu-700 °C (264 nm) |
---|---|---|---|
τ₁ (ns) | 19.58 | 25.34 | 14.75 |
τ₂ (ns) | 798.36 | 867.749 | 1102.64 |
τ₃ (ns) | 6.18 | 5.94 | 3.19 |
B1 | 1558.68 | 1360.836 | 2288.291 |
B2 | 83.2513 | 98.52946 | 76.09427 |
B3 | 5271.567 | 4926.381 | 6620.526 |
R1 | 0.2254 | 0.2131 | 0.2547 |
R2 | 0.0120 | 0.0154 | 0.0085 |
R3 | 0.7625 | 0.7715 | 0.7368 |
A | 34.77629 | 37.63854 | 93.39494 |
χ2 | 1.066872 | 1.102067 | 1.091194 |
τaverage (ns) | 18.74 (± 0.20) | 23.37 (± 0.24) | 15.44 (± 0.24) |
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Joo, M.H.; Park, S.J.; Jang, H.J.; Hong, S.-M.; Rhee, C.K.; Sohn, Y. Enhanced Photoluminescence of Electrodeposited Europium Complex on Bare and Terpyridine-Functionalized Porous Si Surfaces. Photochem 2021, 1, 38-52. https://0-doi-org.brum.beds.ac.uk/10.3390/photochem1010004
Joo MH, Park SJ, Jang HJ, Hong S-M, Rhee CK, Sohn Y. Enhanced Photoluminescence of Electrodeposited Europium Complex on Bare and Terpyridine-Functionalized Porous Si Surfaces. Photochem. 2021; 1(1):38-52. https://0-doi-org.brum.beds.ac.uk/10.3390/photochem1010004
Chicago/Turabian StyleJoo, Min Hee, So Jeong Park, Hye Ji Jang, Sung-Min Hong, Choong Kyun Rhee, and Youngku Sohn. 2021. "Enhanced Photoluminescence of Electrodeposited Europium Complex on Bare and Terpyridine-Functionalized Porous Si Surfaces" Photochem 1, no. 1: 38-52. https://0-doi-org.brum.beds.ac.uk/10.3390/photochem1010004