Optimal st-PMMA/C60 helical inclusion complexes via tunable energy landscapes for the application of an Ag SERS-active substrate

Tsai, S.-Y.; Tseng, W.-T.; Su, J.-H.; Wang, Y.-H.; Chang, Y.-W.; Wang, C.-H.; Jeng, U.-S.; Wu, K.-Y.; Wang, C.-L.; Chuang, W.-T.

doi:10.1107/S1600576725001712

Journal of Applied Crystallography Journal of Applied
Crystallography

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Figure 5
(a) Preparation of SERS-active Ag-NP substrates reduced from the st-PMMA/C₆₀ complex film, and SERS measurement of R6G analytes on the Ag SERS-active substrate. (b) XPS spectra of the Ag⁺-containing st-PMMA/C₆₀ HIC film and C₆₀ crystals before/after visible light exposure. (c)–(e) SEM images of SERS-active Ag-NP substrates prepared with different C₆₀ encapsulation ratios: (c) 7 wt%, (d) 14 wt% and (e) 20 wt%. (f) Ag-decorated C₆₀ crystals. (g) Raman spectra (SERS) collected from various SERS-active Ag-NP substrates with different [R6G] (10 and 10⁻² µM).

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ISSN: 1600-5767

Volume 58| Part 2| April 2025| Pages 553-563

https://doi.org/10.1107/S1600576725001712

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