« Previous AbstractConstruction of an In Vitro Air-Liquid Interface Exposure System to Assess the Toxicological Impact of Gas and Particle Phase of Semi-Volatile Organic Compounds    Next AbstractBreeding Tomato Hybrids for Flavour: Comparison of GWAS Results Obtained on Lines and F1 Hybrids »

Analyst

Title:		Electroless deposition of Pd/Pt nanoparticles on electrochemically grown TiO(2) nanotubes for ppb level sensing of ethanol at room temperature
Author(s):		Bindra P; Hazra A;
Address:		"Dept. of Electrical & Electronics Engineering, Birla Institute of Technology and Science (BITS)-Pilani, Vidya Vihar, Rajasthan 333031, India. arnabhazra2013@gmail.com arnab.hazra@pilani.bits-pilani.ac.in"
Journal Title:		Analyst
Year:		2021
Volume:		20210121
Issue:		6
Page Number:		1880 - 1891
DOI:		10.1039/d0an01757d
ISSN/ISBN:		1364-5528 (Electronic) 0003-2654 (Linking)
Abstract:		"This work presents a comparative sensing study of three sensors based on pristine TiO(2) nanotubes, Pd loaded TiO(2) nanotubes, and Pt loaded TiO(2) nanotubes. Pristine TiO(2) nanotubes were synthesized using an electrochemical anodization method and an electroless plating method was used for the uniform deposition of noble metal nanoparticles of either Pd or Pt over the surface of TiO(2) nanotubes. The samples were thoroughly characterized by XRD, FESEM, EDS, TEM, and XPS techniques. The sensitivity of all three sensors was investigated at room temperature (300 K) for different volatile organic compounds like ethanol, methanol, 2-propanol, acetone, and benzene. The results revealed that loading of Pd and Pt nanoparticles improved the response magnitude of the sensor remarkably as these noble metals possess better oxygen dissociation capability than pristine TiO(2). The Pd-TiO(2) nanotube sensor exhibited a maximum response magnitude of 20-98% towards 100-1000 ppb of ethanol at room temperature. Notably, the formation of Pd/Pt-TiO(2) discrete heterojunctions on the surface of TiO(2) nanotubes was found to be responsible for enhanced sensitivity of the sensors"
Keywords:
Notes:		"PubMed-not-MEDLINEBindra, Prateek Hazra, Arnab eng England 2021/01/22 Analyst. 2021 Mar 21; 146(6):1880-1891. doi: 10.1039/d0an01757d. Epub 2021 Jan 21"