Effect of dopant concentration on polyaniline/poly(4-styrene sulfonic acid) composite for ammonia gas detection-Reference-Cited by-同舟云学术

Effect of dopant concentration on polyaniline/poly(4-styrene sulfonic acid) composite for ammonia gas detection

Published:2019-12-30 Issue:8-9 Volume:28 Page:645-653
ISSN:0967-3911
Container-title:Polymers and Polymer Composites
language:en
Short-container-title:Polymers and Polymer Composites

Author:

Jayamurugan P¹,Mariappan R²,Deivanayaki S³,Ponnuswamy V¹,Maadeswaran P⁴,Chavali Murthy⁵⁶⁷,Rao Y V Subba⁸

Affiliation:

1. Department of Physics, Sri Ramakrishna Mission Vidyalaya College of Arts and Science, Coimbatore, Tamil Nadu, India

2. Department of Physics, Adhiyamaan College of Engineering, Hosur, Tamil Nadu, India

3. Department of Physics, Sri Ramakrishna Engineering College, Vattamalaipalayam, Coimbatore, Tamil Nadu, India

4. Department of Energy Science, Periyar University, Salem, Tamil Nadu, India

5. PG Department of Chemistry, Dharma Appa Rao College, Nuzvid, Andhra Pradesh, India

6. Department of chemistry (PG studies), Shree Velagapudi Rama Krishna Memorial College (PG Studies), Affiliated to Acharya Nagarjuna University, Nagaram, Andhra Pradesh, India

7. Department of chemistry (PG studies), MCETRC, Tenali, Guntur District, Andhra Pradesh, India

8. Department of chemistry (PG studies), Alpha Scientific, Venkatapuram, Hyderabad, Telangana, India

Abstract

Polyaniline (PANI)/poly(4-styrene sulfonic acid) (PSS) has been prepared for various molar ratios of hydrochloric acid (HCl) (1, 2, 3 and 4 M, respectively) through in situ chemical polymerization method. The reaction temperature was 25°C for 3 h. Fourier transform infrared spectroscopy spectrum confirms the attachment of the structure to functional groups. The intensity of PANI is increased with increasing HCl concentration. Scanning electron microscopic graphs reveal the irregular morphology. The complex impedance of the PANI/PSS shows two distinguished semicircles and the diameter of the arcs decreased with an increase in ammonia concentration at room temperature. The sensitivity of the sensor increased with time, and the maximum sensitivity is 7.4 at 3 M of HCl for 500 ppm. The results are discussed and reported.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,Ceramics and Composites

Link

http://journals.sagepub.com/doi/pdf/10.1177/0967391119895743

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