Fabrication of near superhydrophobic Pt-TiO2 hybrid nanoflake composite as food sensor in food processing industry

Indira Karuppusamy; P Seenuvasaperumal; M Surendiran; Sabarathinam Shanmugam; Arunachalam Chinnathambi; Tahani Awad Alahmadi; Kathirvel Brindhadevi; Nguyen Thuy Lan Chi; Arivalagan Pugazhendhi

doi:10.1016/j.fct.2022.113411

Fabrication of near superhydrophobic Pt-TiO₂ hybrid nanoflake composite as food sensor in food processing industry

Food Chem Toxicol. 2022 Nov:169:113411. doi: 10.1016/j.fct.2022.113411. Epub 2022 Sep 7.

Authors

Indira Karuppusamy¹, P Seenuvasaperumal², M Surendiran³, Sabarathinam Shanmugam⁴, Arunachalam Chinnathambi⁵, Tahani Awad Alahmadi⁶, Kathirvel Brindhadevi⁷, Nguyen Thuy Lan Chi⁸, Arivalagan Pugazhendhi⁹

Affiliations

¹ Emerging Materials for Energy and Environmental Applications Research Group, School of Engineering and Technology, Van Lang University, Ho Chi Minh City, Viet Nam. Electronic address: karuppusamy.i@vlu.edu.vn.
² School of Mechanical Engineering, Vellore Institute of Technology, Vellore, India.
³ Department of Chemistry, School of Arts and Sciences, Vinayaka Mission's Research Foundation - Aarupadai Veedu (VMRF-AV) Campus, Paiyanoor, Chennai, 603104, Tamil Nadu, India.
⁴ Biosystems Engineering, Institute of Forestry and Engineering, Estonian University of Lifescience, Kreutzwaldi 56, 51014, Tartu, Estonia.
⁵ Department of Botany and Microbiology, College of Science, King Saud University, PO Box -2455, Riyadh, 11451, Saudi Arabia.
⁶ Department of Pediatrics, College of Medicine and King Khalid University Hospital, King Saud University, Medical City, PO Box-2925, Riyadh, 11461, Saudi Arabia.
⁷ Center for Transdisciplinary Research (CFTR), Department of Pharmacology, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India.
⁸ School of Engineering and Technology, Van Lang University, Ho Chi Minh City, Viet Nam. Electronic address: chi.ntl@vlu.edu.vn.
⁹ Emerging Materials for Energy and Environmental Applications Research Group, School of Engineering and Technology, Van Lang University, Ho Chi Minh City, Viet Nam. Electronic address: arivalagan.p@vlu.edu.vn.

PMID: 36087621
DOI: 10.1016/j.fct.2022.113411

Abstract

The current finding reports on the development of highly ordered closely packed TiO₂ nanotube arrays on Ti substrate via two-step anodization process. The nanotubes developed by second anodization step (TNT2) were encapsulated with Pt nanoflakes using electro-deposition followed by hydrothermal treatment process. The FE-SEM, FTIR, XRD and contact angle measurement, respectively were done to find out the morphological, functional group, phase structural and wettability of the samples. The tube diameter and length were found to be 110-120 and 50-100 nm and 437 and 682, respectively for first (TNT1) and second anodization. The structural order of the TNT has enhanced in the second anodization process. Chronoamperometric results showed that the Pt-TNT2 exhibited enhanced and steady state electro-catalytic activity than Pt-TNT1. Pt-TNT2 nanoflake composite showed near SHP behaviour than the TNT without Pt. The food processing machinery developed using near SHP Pt-TNT2 could be cleaned easily due to its high non-wettability. Hence, Pt-TNT2 can be used for making food processing equipment.

Keywords: Food processing; Near superhydrophobic; Pt nanoflakes; TiO(2) nanotubes; Two-step anodization.

MeSH terms

Food Analysis* / instrumentation
Food-Processing Industry*
Nanotubes* / chemistry
Titanium / chemistry
Wettability*

Substances

Titanium
titanium dioxide