All-nanoparticle layer-by-layer coatings for Mid-IR on-chip gas sensing

• DOI: 10.1039/d0cc05513a
• Publication Date: 2020-10-23T07:39:07Z
• Authors: Diana Al Husseini; Junchao Zhou; Daniel Willhelm; Trevor Hastings; Gregory S. Day; Hong-Cai Zhou; Gerard L. Coté; Xiaofeng Qian; Ricardo Gutierrez...; Pao Tai Lin; Svetlana A. Sukhi...
• Keywords: 02 engineering and technology; 0210 nano-technology

Functionalization of optical waveguides with submicron all-nanoparticle coatings significantly enhanced the detection of acetone. Such coatings were enabled via precise control of the substrate withdrawal speed using the layer-by-layer deposition.