ArticleScientific reports2019
Raman and XPS studies of ammonia sensitive polypyrrole nanorods and nanoparticles.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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Who cites it
41 citing papers in PubMed.
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- BDD/PPy Composites with Low Interfacial Resistance for Energy Storage and Theoretical Feasibility for Pollutant Sensing.Nanomaterials (Basel, Switzerland) · 2026Article
- Crosslinked hyaluronic acid-doped polypyrrole: Stable, nonbiofouling implantable bioelectrodes for in vivo signal recording.Materials today. Bio · 2026Article
- A decoupled and scalable solar evaporator integrating boron-enhanced polypyrrole photothermal fabric for efficient water purification.RSC advances · 2026Article
- Ligand-Mediated Surface Carrier Modulation in Perovskite Nanocrystals for Charge-Symmetric LEDs.Advanced materials (Deerfield Beach, Fla.) · 2026Article
- Injectable hydrogel bioelectrostimulator for wireless deep brain neuromodulation.Nature communications · 2026Article
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- Plasmon-Driven Gold Nanopillar Multiarrayed Gene Amplification Methodology for the High-Throughput Discrimination of Pathogens.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025Article
- Preinserted Ammonium in MnOACS applied materials & interfaces · 2024Article
- Bioreceptors' immobilization by hydrogen bonding interactions and differential pulse voltammetry for completely label-free electrochemical biosensors.Mikrochimica acta · 2024Article
- Zinc oxide/tin oxide nanoflower-based asymmetric supercapacitors for enhanced energy storage devices.RSC advances · 2024Article
- Wide-range and high-accuracy wireless sensor with self-humidity compensation for real-time ammonia monitoring.Nature communications · 2024Article
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Corrections and comments
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Authors and funding
6 authors.
Funding
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Abstract
Polypyrrole (PPy) nanorods (NRs) and nanoparticles (NPs) are synthesized via electrochemical and chemical methods, respectively, and tested upon ammonia exposure using Raman and X-ray photoelectron spectroscopy (XPS). Characterization of both nanomaterials via Raman spectroscopy demonstrates the formation of PPy, displaying vibration bands consistent with the literature. Additionally, XPS reveals the presence of neutral PPy species as major components in PPy NRs and PPy NPs, and other species including polarons and bipolarons. Raman and XPS analysis after ammonia exposure show changes in the physical/chemical properties of PPy, confirming the potential of both samples for ammonia sensing. Results demonstrate that the electrochemically synthesized NRs involve both proton and electron transfer mechanisms during ammonia exposure, as opposed to the chemically synthesized NPs, which show a mechanism dominated by electron transfer. Thus, the different detection mechanisms in PPy NRs and PPy NPs appear to be connected to the particular morphological and chemical composition of each film. These results contribute to elucidate the mechanisms involved in ammonia detection and the influence of the synthesis routes and the physical/chemical characteristics of PPy.
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Registered trials
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