Development of Gold Nanoparticle-Based SERS Substrates on TiO2-Coating to Reduce the Coffee Ring Effect
Abstract
:1. Introduction
2. Materials and Methods
2.1. Gold Nanoparticle Synthesis
2.2. Fabrication of the SERS-Substrates
2.3. SEM Analysis
2.4. Water Contact Angle Measurements
2.5. Raman Analysis
3. Results and Discussion
3.1. Synthesis of Gold Nanoparticles
3.2. Fabrication of AuNPs-TiO2-SERS Substrates
3.3. SERS-Enhancement and the Reduced Coffee Ring Effect
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Treatment | Water Contact Angle [°] |
---|---|
Untreated aluminium | 89 ± 6 |
Plasma treated aluminium | 23 ± 8 |
Plasma treated, calcinated TiO2 | 6 ± 3 |
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Breuch, R.; Klein, D.; Moers, C.; Siefke, E.; Wickleder, C.; Kaul, P. Development of Gold Nanoparticle-Based SERS Substrates on TiO2-Coating to Reduce the Coffee Ring Effect. Nanomaterials 2022, 12, 860. https://doi.org/10.3390/nano12050860
Breuch R, Klein D, Moers C, Siefke E, Wickleder C, Kaul P. Development of Gold Nanoparticle-Based SERS Substrates on TiO2-Coating to Reduce the Coffee Ring Effect. Nanomaterials. 2022; 12(5):860. https://doi.org/10.3390/nano12050860
Chicago/Turabian StyleBreuch, René, Daniel Klein, Cassandra Moers, Eleni Siefke, Claudia Wickleder, and Peter Kaul. 2022. "Development of Gold Nanoparticle-Based SERS Substrates on TiO2-Coating to Reduce the Coffee Ring Effect" Nanomaterials 12, no. 5: 860. https://doi.org/10.3390/nano12050860