Skip to main content
SpringerLink
Log in

Humidity sensing behaviour of polyaniline/magnesium chromate (MgCrO 4 ) composite

  • Published:
Bulletin of Materials Science Aims and scope Submit manuscript

Abstract

‘In situ’ polymerization of polyaniline (PANI) was carried out in the presence of magnesium chromate (MgCrO 4 ) to synthesize PANI/ceramic (MgCrO 4 ) composite. These prepared composites were characterized by XRD, FTIR and SEM, which confirm the presence of MgCrO 4 in polyaniline matrix. The temperature dependent conductivity measurement shows the thermally activated exponential behaviour of PANI / MgCrO 4 composites. The decrease in electrical resistance was observed when the polymer composites were exposed to the broad range of relative humidity (ranging between 20 and 95% RH). This decrease is due to increase in surface electrical conductivity resulting from moisture absorption and due to capillary condensation of water causing change in conductivity within the sensing materials. PANI / MgCrO 4 composites are found to be sensitive to low humidity ranging from 20 to 50 % RH.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Similar content being viewed by others

References

  • Angelopoulos M, Ray A, MaDiarmid A G and Epstein A J 1987 Synth. Metals 21 21

    Article  CAS  Google Scholar 

  • Arai H and Seiyama T 1991 Humidity sensors, in: Sensors: A comprehensive survey (eds) W Göpel et al (VCH) 1990 3 pp 982–1012

  • Chen Zhi and Lu Chi 2005 Sens. Letts 3 274

    Article  Google Scholar 

  • Chiang J C and MacDiarmid A G 1986 Synth. Metals 13 193

    Article  CAS  Google Scholar 

  • Chou Kan-Sen, Lee Tzy-Kuang and Liu Feng-Jiin 1999 Sens. Actuators B56 106

    Google Scholar 

  • Cosentino I C, Muccillo E N S and Muccillo R 2003 Sens. Actuators B96 677

    CAS  Google Scholar 

  • Delannoy F P, Sorli B and Boyer A 2000 Sens. Actuators A84 285

    Article  Google Scholar 

  • Fusalba F and Belanger D J 1999 Mater. Res. 14 1805

    Article  CAS  Google Scholar 

  • Gu Lei, Huang Qing-An and Qin Ming 2004 Sens. Actuators B99 491

    Google Scholar 

  • He J-H 2004 Polymer 45 9067

    Article  CAS  Google Scholar 

  • Kim T Y, Lee D H, Shim Y C, Bu J U and Kim S T 1992 Sens. Actuators B9 221

    Article  CAS  Google Scholar 

  • Kobayashi A, Ishikawa H, Amano K, Satoh M and Hasegawa E 1993 J. Appl. Phys. 74 296

    Article  CAS  Google Scholar 

  • Krivka I, Prokes J, Tobolkova E and Stejskal J J 1999 Mater. Chem. 9 2425

    Article  CAS  Google Scholar 

  • Kulwicki B 1991 J. Am. Ceram. Soc. 74 697

    Article  CAS  Google Scholar 

  • Lira-Gautu M and Gomez-Romero P J 1999 Solid State Chem. 147 601

    Article  Google Scholar 

  • Lu F L, Wudl F, Nowak M and Heeger A J 1986 J. Am. Chem. Soc. 108 8311

    Article  CAS  Google Scholar 

  • Montesperelli G, Bianco A, Morten B, Prudenziati M, Traversa E, Gusmano G and Traversa E (eds) 1995 Proceedings of the 4th Euro-Ceramics, Gruppo Editoriale Faenza Editrice S.p.A. (Italy: Riccione) Vol. 5, pp 467–474

  • Nechtschein M, Santier C, Travers J P, Chroboczek J, Alix A and Ripert M 1987 Synth. Metals 18 311

    Article  CAS  Google Scholar 

  • Nenov T G and Yordanov S P 1996 Ceramic sensors (Basel: Technomic) pp 74–75

    Google Scholar 

  • Parvatikar Narsimha, Khasim Syed, Revansiddappa M, Jain Shilpa, Bhoraskar S V and Ambika Prasad M V N 2006 Sens. Actuators B114 599

    Google Scholar 

  • Parvatikar Narsimha, Jain Shilpa, Kanamadi C M, Chougule B K, Bhoraskar S V and Ambika Prasad M V N 2007 J. Appl. Polym. Sci. 103 653

    Article  Google Scholar 

  • Pingale S S, Patil S F, Vinod M P, Pathak G and Vijayamohanan K 1996 Mater. Chem. Phys. 46 72

    Article  CAS  Google Scholar 

  • Ren Y, Mormile P, Petti L and Cross G H 2001 Sens. Actuators B75 76

    CAS  Google Scholar 

  • Sakai Y, Matsuguchi M and Hurukawa T 2000 Sens. Actuators B66 135

    CAS  Google Scholar 

  • Sun Y, MacDiarmid A G and Epstein A J 1990 J. Chem. Soc. Chem. Commun. 7 529

    Article  Google Scholar 

  • Tai W P and Oh J H 2002 Thin Solid Films 422 220

    Article  CAS  Google Scholar 

  • Toshko G, Nenov P, Stefcho D and Yordanov P 1996 Ceramic sensors, technology and applications (Pennsylvania: Technomic Publishing Company) p. 87

    Google Scholar 

  • Traversa E 1995 Sens. Actuators B23 135

    CAS  Google Scholar 

  • Uchikawa F and Shimamoto K 1985 Am. Ceram. Soc. Bull. 64 1137

    CAS  Google Scholar 

  • Viviani M, Buscaglia M T, Buscaglia V, Leoni M and Nanni P 2001 J. Eur. Ceram. Soc. 21 1981

    Article  CAS  Google Scholar 

  • Yamazoe N and Shimizu Y 1986 Sens. Actuators B10 379

    Google Scholar 

Download references

Author information

Authors and Affiliations

  1. Department of Materials Science and Physics, Gulbarga University, Gulbarga, 585 106, India

    M V N AMBIKA PRASAD

  2. Department of Physics, Ballari Institute of Technology & Management, Bellary, 583 104, India

    T MACHAPPA

Authors
  1. T MACHAPPA
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. M V N AMBIKA PRASAD
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to M V N AMBIKA PRASAD.

Rights and permissions

Reprints and permissions

About this article

Cite this article

MACHAPPA, T., PRASAD, M.V.N.A. Humidity sensing behaviour of polyaniline/magnesium chromate (MgCrO 4 ) composite. Bull Mater Sci 35, 75–81 (2012). https://doi.org/10.1007/s12034-011-0261-7

Download citation

  • Received:

  • Revised:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s12034-011-0261-7

Keywords

Search

Navigation