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Enhancement of silver dendrites-based SERS sensors by slippery films with laser modulated wettabilityстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 1 апреля 2026 г.
- Авторы: Kazaryan Polina S., Gritsevich Daniil K., Sviridov Alexander P., Tsvetkov Mikhail Yu
- Журнал: Applied Surface Science
- Год издания: 2026
- Издательство: Elsevier BV
- Местоположение издательства: Netherlands
- Номер статьи: 166542
- DOI: 10.1016/j.apsusc.2026.166542
- Аннотация: Today technologies based on the Surface-Enhanced Raman Spectroscopy (SERS) are being extensively employed for the detection and analysis of trace amounts of various biological and environmental compounds. In this research, we introduce novel polymer-metal SERS substrates obtained by the combination of Slippery Liquid-Infused Porous Surfaces (SLIPS), surface patterning using laser ablation and sequential Metal-Assisted Chemical Etching (MACE) for silver dendrite-like nanostructures formation. The fluoromethacrylate polymer films impregnated with low-surface tension liquid are used as SLIPS coatings. By laser microstructuring of the slippery film, we achieved wettability modulation, resulting in efficient concentration of the analyzed molecules in the SERS sensors during droplet evaporation. Utilizing these the proposed substrates, a detection limit of 5.5′-dithio-bis- [2-nitrobenzoic acid] (DTNB) of 24 femtomoles was achieved. The utilization of slippery polymer films allowed to increase the limit of detected concentration by 3 orders of magnitude comparing to SERS substrates from dendritic microspots on uncoated Si surface. The remarkable simplicity of production, the potential high density of sensing areas offer potential for the development of miniaturized nano-sensing platforms.
- Добавил в систему: Казарян Полина Суреновна
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