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Reusability, Long-Life Storage and Highly Sensitive Zirconium Nitride (ZrN) Surface-Enhanced Raman Spectroscopy (SERS) Substrate Fabricated by Reactive Gas-Timing Rf Magnetron Sputtering
Advanced Materials Interfaces ( IF 4.3 ) Pub Date : 2023-09-21 , DOI: 10.1002/admi.202300472 Nguentra Sucheewa 1 , Winadda Wongwiriyapan 1 , Prapakorn Rattanawarinchai 1 , Tuksadon Wuttikhun 2 , Kittiphat Sinthiptharakoon 2 , Saran Youngjan 2 , Pongtanawat Khemthong 2 , Gamolwan Tumcharern 2 , Tossaporn Lertvanithphol 3 , Nutthamon Limsuwan 3 , Apirak Pankiew 3 , Mati Horprathum 3 , Supanit Porntheeraphat 3 , Visittapong Yordsri 4 , Narathon Khemasiri 5 , Michiko Obata 6 , Masatsugu Fujishige 7 , Kenji Takeuchi 6, 7 , Morinobu Endo 6, 7 , Annop Klamchuen 2 , Jiti Nukeaw 1
Advanced Materials Interfaces ( IF 4.3 ) Pub Date : 2023-09-21 , DOI: 10.1002/admi.202300472 Nguentra Sucheewa 1 , Winadda Wongwiriyapan 1 , Prapakorn Rattanawarinchai 1 , Tuksadon Wuttikhun 2 , Kittiphat Sinthiptharakoon 2 , Saran Youngjan 2 , Pongtanawat Khemthong 2 , Gamolwan Tumcharern 2 , Tossaporn Lertvanithphol 3 , Nutthamon Limsuwan 3 , Apirak Pankiew 3 , Mati Horprathum 3 , Supanit Porntheeraphat 3 , Visittapong Yordsri 4 , Narathon Khemasiri 5 , Michiko Obata 6 , Masatsugu Fujishige 7 , Kenji Takeuchi 6, 7 , Morinobu Endo 6, 7 , Annop Klamchuen 2 , Jiti Nukeaw 1
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Transition metal nitrides (TMN) are promising material alternative to replace noble metals in the field of plasmonic applications, especially surface-enhanced Raman spectroscopy (SERS). Here we demonstrate a practical surface enhanced Raman spectroscopy (SERS) substrate using zirconium nitride (ZrN) thin films grown by reactive gas-timing (RGT) rf magnetron sputtering. The tailored properties of ZrN thin film exploited for SERS activity could be achieved to obtain a highly sensitive ZrN thin film SERS substrate with the enhancement factor (EF) of 1.24 × 106 and 4.8 %RSD at 1626 cm-1 toward methylene blue (MB) analyte which are comparable to the optimized Au sputtered thin films (EF=1.18 × 106 and with 5.1%RSD). We find that the spatial plasmonic hotspots on the surface of ZrN SERS substrate controlled by the turn-on timing of Ar:N2 sputtered gas sequence, leading to the discrete conductive surface profile, strongly relates to non-stoichiometric composition and the degree of (200)-oriented texture at the surface of ZrN thin film. Furthermore, ZrN thin film SERS substrates exhibit an excellent recyclability more than 30 cycles with simple cleaning process and a storage time longer than 6 months. The detection and reusability of ZrN SERS substrate on the low concentration of trinitrotoluene (TNT) for homeland security are also performed.
中文翻译：
采用反应气体定时射频磁控溅射技术制造的可重复使用、长寿命存储和高灵敏度氮化锆 (ZrN) 表面增强拉曼光谱 (SERS) 基底
过渡金属氮化物（TMN）是等离子体应用领域，特别是表面增强拉曼光谱（SERS）领域中替代贵金属的有前途的材料替代品。在这里，我们展示了一种实用的表面增强拉曼光谱 (SERS) 基板，该基板使用通过反应气体定时 (RGT) 射频磁控溅射生长的氮化锆 (ZrN) 薄膜。可以实现用于 SERS 活性的 ZrN 薄膜的定制特性，以获得高灵敏度的 ZrN 薄膜 SERS 基底，其增强因子 (EF) 为 1.24 × 106，在 1626 cm-1 处对亚甲基蓝 (MB) 的 RSD 为 4.8 %分析物与优化的金溅射薄膜相当（EF=1.18 × 106，RSD 为 5.1%）。我们发现，ZrN SERS 基底表面的空间等离子体热点由 Ar:N2 溅射气体序列的开启时间控制，导致离散的导电表面轮廓，与非化学计量成分和 (200 ZrN 薄膜表面的 ) 取向织构。此外，ZrN薄膜SERS基底表现出优异的可回收性，可循环次数超过30次，清洗过程简单，存储时间超过6个月。还进行了 ZrN SERS 底物对低浓度三硝基甲苯 (TNT) 的检测和可重复使用，以保障国土安全。
更新日期：2023-09-21
中文翻译：
采用反应气体定时射频磁控溅射技术制造的可重复使用、长寿命存储和高灵敏度氮化锆 (ZrN) 表面增强拉曼光谱 (SERS) 基底
过渡金属氮化物（TMN）是等离子体应用领域，特别是表面增强拉曼光谱（SERS）领域中替代贵金属的有前途的材料替代品。在这里，我们展示了一种实用的表面增强拉曼光谱 (SERS) 基板，该基板使用通过反应气体定时 (RGT) 射频磁控溅射生长的氮化锆 (ZrN) 薄膜。可以实现用于 SERS 活性的 ZrN 薄膜的定制特性，以获得高灵敏度的 ZrN 薄膜 SERS 基底，其增强因子 (EF) 为 1.24 × 106，在 1626 cm-1 处对亚甲基蓝 (MB) 的 RSD 为 4.8 %分析物与优化的金溅射薄膜相当（EF=1.18 × 106，RSD 为 5.1%）。我们发现，ZrN SERS 基底表面的空间等离子体热点由 Ar:N2 溅射气体序列的开启时间控制，导致离散的导电表面轮廓，与非化学计量成分和 (200 ZrN 薄膜表面的 ) 取向织构。此外，ZrN薄膜SERS基底表现出优异的可回收性，可循环次数超过30次，清洗过程简单，存储时间超过6个月。还进行了 ZrN SERS 底物对低浓度三硝基甲苯 (TNT) 的检测和可重复使用，以保障国土安全。
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