Organic nanostructure sensing layer developed by AAO template for the application in humidity sensors

Rachmat Andika, Fakhra Aziz, Zubair Ahmad, Muhamad Doris, Vivi Fauzia, Tahani M. Bawazeer, Nourah Alsenany, Mohammad S. Alsoufi, Azzuliani Supangat

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The present study demonstrates a novel nanoporous structure of aluminium 1,8,15,22-tetrakis 29H,31H phthalocyanine chloride (AlPcCl) prepared by template-assisted method for a humidity sensor. The nanoporous sensing layer was fabricated by solution wetting of anodic aluminium oxide template. The solutions of AlPcCl in different concentrations were spun cast over the template at various speeds. Both capacitive and resistive responses were measured as a function of different relative humidity levels. The sensor showed wide operating relative humidity range and responded at quite low humidity levels. Morphological changes were investigated by field emission scanning electron microscopy. The sensor showed wide operating relative humidity range. The sensor demonstrated better performance with improved sensing parameters, highlighting unique advantages of the low-molecular nanostructured sensing layer for the humidity sensors.

Original languageEnglish
JournalJournal of Materials Science: Materials in Electronics
DOIs
Publication statusAccepted/In press - 1 Jan 2018

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