Recent Advances in Materials, Parameters, Performance and Technology in Ammonia Sensors: A Review

  • Suveda AaryaEmail author
  • Yogesh KumarEmail author
  • R. K. Chahota
Topical Review


Importance of ammonia sensors is increasing significantly worldwide in environmental monitoring, control of chemical processes, agricultural, and medical applications. Particularly, the detection of ammonia gas is very important for many industries due to its toxicity and environmental hazards. The hybrid nanostructures formed by blending of nanoparticles of metal/metal-oxides with polymer or its derivatives have been explored which showed improved gas sensing ability and selectivity at room temperature. This article reviews ammonia gas sensors based on semiconducting materials like metals, metal oxides, metal oxide-polymers and carbon nanotubes (CNT’s) based hybrid nanostructures for different level of detection of ammonia in various applications. The characteristic performance parameters of these sensors, such as measuring range, sensitivity, selectivity, response/recovery time and the latest technological developments are discussed with detailed analysis in this article.


Ammonia sensor Hybrid nanostructures Sensitivity Selectivity 



Support from the University Grant Commission (UGC), Grants No. PDFWM-2013-14-OB-UTT 18209 is gratefully acknowledged. The author (YK) acknowledge the financial support received from the Science and Engineering Research Board (SERB), Department of Science and Technology, Government of India (Sanction No. ECR/2016/001871) under the scheme Early Career Research Award.


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Department of Physical Sciences and Languages, College of Basic SciencesCSKHPKVPalampurIndia
  2. 2.Department of Physics, ARSD CollegeDelhi UniversityDelhiIndia
  3. 3.Department of Agriculture Biotechnology, College of AgricultureCSKHPKVPalampurIndia

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