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This study focuses on the fabrication and performance analysis of a novel p-polyaniline/n-PbS heterojunction. The heterojunction was constructed using a layer-by-layer deposition technique, where PbS and polyaniline were deposited onto a stainless steel substrate via chemical and electrodeposition methods, respectively. Structural and morphological characterizations of the films were carried out to assess their quality. The effect of humidity on the forward-biased electrical characteristics of the heterojunction was investigated for optimized thicknesses of both PbS and polyaniline layers. Measurements were conducted under varying relative humidity levels ranging from 40% to 90%. The maximum current density, 12.53 mA/cm², was recorded at 90% relative humidity, demonstrating the device’s potential as a humidity sensor.
Keywords:
humidity sensor, heterojunction, polyaniline
Cite Article:
"Effect of Humidity on electrical properties of p‑Polyaniline/n–PbS Heterojunction ", International Journal of Science & Engineering Development Research (www.ijrti.org), ISSN:2455-2631, Vol.10, Issue 8, page no.a355-a358, August-2025, Available :http://www.ijrti.org/papers/IJRTI2508043.pdf
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ISSN:
2456-3315 | IMPACT FACTOR: 8.14 Calculated By Google Scholar| ESTD YEAR: 2016
An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 8.14 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator