| 학회 |
한국공업화학회 |
| 학술대회 |
2021년 봄 (05/12 ~ 05/14, 부산 벡스코(BEXCO)) |
| 권호 |
25권 1호 |
| 발표분야 |
포스터-고분자 |
| 제목 |
Non-Halide Etching of Triangular Silver Nanoplates and Its Application in Melamine Sensing |
| 초록 |
We have developed a rapid, sensitive, and selective colorimetric detection method for melamine upon etched silver nanoparticles. In this approach, sodium 4-vinylbenzenesulfonate (Na-VBS) was used as a new powerful etchant of triangular silver nanoplates. Na-VBS etched silver nanoplates nearly as powerfully as halides did, and these nanoplates rapidly transformed into oblate nanospheroids. This shape evolution permitted tuning of the corresponding localized surface plasmon resonance (LSPR) features of the silver nanostructures. Interestingly, passivation of the silver nanoplate surface with melamine was shown to protect the nanoplates from Na-VBS-induced etching. The rate of change of the color and spectral features of the Ag nanoplate solution exposed to Na-VBS was found to be strongly correlated with the concentration of melamine in the solution. This association allowed us to apply this system to the development of a novel platform for sensing melamine. |
| 저자 |
ZULKIFLI DEVI PERMATASARI, 김문호
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| 소속 |
부경대 |
| 키워드 |
triangular silver nanoplate; non-halide; localized surface plasmon resonance (LSPR); colorimetric sensor; melamine sensing
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| E-Mail |
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