Palladium Phthalocyanine Nanowire-Based Highly Sensitive Sensors for NO 2(g) Detection.

Autor:	Otero Vélez C; Faculty of Natural Sciences, University of Puerto Rico, Río Piedras Campus, San Juan 00931, Puerto Rico.; Molecular Science Research Center, San Juan 00926-2614, Puerto Rico., Flores SY; Faculty of Natural Sciences, University of Puerto Rico, Río Piedras Campus, San Juan 00931, Puerto Rico., Fonseca LF; Faculty of Natural Sciences, University of Puerto Rico, Río Piedras Campus, San Juan 00931, Puerto Rico., Piñero Cruz DM; Faculty of Natural Sciences, University of Puerto Rico, Río Piedras Campus, San Juan 00931, Puerto Rico.; Molecular Science Research Center, San Juan 00926-2614, Puerto Rico.
Jazyk:	angličtina
Zdroj:	Sensors (Basel, Switzerland) [Sensors (Basel)] 2024 Mar 12; Vol. 24 (6). Date of Electronic Publication: 2024 Mar 12.
DOI:	10.3390/s24061819
Abstrakt:	Palladium phthalocyanine (PdPc) nanowires (NWs) were developed to achieve the gas sensing of NO 2 in the sub-parts-per-million (ppm) range. Non-substituted metal phthalocyanine are well known for their p-type semiconducting behavior, which is responsible for its gas-sensing capabilities. Nanofabrication of the PdPc NWs was performed by physical vapor deposition (PVD) on an interdigitated gold electrode (IDE). The coordination of palladium in the structure was confirmed with UV-Vis spectroscopy. Gas-sensing experiments for NO 2 detection were undertaken at different sensed gas concentrations from 4 ppm to 0.5 ppm at room temperature. In this work, the responses at different gas concentrations are reported. In addition, structural studies of the PdPc NWs with scanning electron microscopy (SEM) and electron-dispersive X-ray diffraction (EDS) are shown.
Databáze:	MEDLINE
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