Preparation of 3D ZnTiO3/Ag NPs composite as the photocatalytic SERS-active substrate with well reusability

Preparation of 3D ZnTiO3/Ag NPs composite as the photocatalytic SERS-active substrate with well reusability

A three-dimensional (3D) perovskite ZnTiO3/Ag nanoparticles (NPs) surface-enhanced Raman scattering (SERS) substrate with ultra-sensitivity and high homogeneity is designed and prepared in this paper. The lowest detectable concentration for rhodamine (R6G) dye is down to 10(-12) M. In addition, the...

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Veröffentlicht in:Applied optics (2004) 2020-06, Vol.59 (18), p.5589-5595
Hauptverfasser: Lu, Jiajun, Du, Xuejian, Li, Zhen, Song, Yuzhi, Zhang, Chao, Yu, Jing, Peng, Qianqian
Format: Artikel
Sprache:eng
Schlagworte:
Catalytic activity
Homogeneity
Nanoparticles
Optics
Perovskites
Photocatalysis
Physical Sciences
Raman spectra
Rhodamine
Science & Technology
Silver
Substrates
Three dimensional composites
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Zusammenfassung:A three-dimensional (3D) perovskite ZnTiO3/Ag nanoparticles (NPs) surface-enhanced Raman scattering (SERS) substrate with ultra-sensitivity and high homogeneity is designed and prepared in this paper. The lowest detectable concentration for rhodamine (R6G) dye is down to 10(-12) M. In addition, the proposed substrate is demonstrated with good photocatalytic activity. The electromagnetic enhancement mechanism induced by the Ag NPs, chemical enhancement mechanism brought by ZnTiO3, and the 3D structure jointly endow the substrate with good SERS performance, which has been demonstrated experimentally and theoretically. Our work indicates that perovskite materials show extensive application prospect in SERS and photocatalysis. (C) 2020 Optical Society of America
ISSN:1559-128X
2155-3165
DOI:10.1364/AO.386966