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3D-Printed Chemiresistive Sensor Array on Nanowire CuO/Cu2O/Cu Heterojunction Nets

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dc.contributor.author SIEBERT, Leonard
dc.contributor.author LUPAN, Oleg
dc.contributor.author MIRABELLI, Mattia
dc.contributor.author ABABII, Nicolai
dc.contributor.author TERASA, Maik-Ivo
dc.contributor.author KAPS, Sören
dc.contributor.author CRETU, Vasilii
dc.contributor.author VAHL, Alexander
dc.contributor.author FAUPEL, Franz
dc.contributor.author ADELUNG, Rainer
dc.date.accessioned 2020-08-17T11:33:47Z
dc.date.available 2020-08-17T11:33:47Z
dc.date.issued 2019
dc.identifier.citation SIEBERT, Leonard, LUPAN, Oleg, MIRABELLI, Mattia et al. 3D-Printed Chemiresistive Sensor Array on Nanowire CuO/Cu2O/Cu Heterojunction Nets. In: ACS Applied Materials & Interfaces. 2019, Vol. 11, Iss. 28, pp. 25508-25515. ISSN 1944-8244. e-ISSN: 1944-8252. en_US
dc.identifier.issn 1944-8244
dc.identifier.issn 1944-8252
dc.identifier.uri https://doi.org/10.1021/acsami.9b04385
dc.identifier.uri http://repository.utm.md/handle/5014/9084
dc.description Access full text - https://doi.org/10.1021/acsami.9b04385 en_US
dc.description.abstract In this work, the one-step three-dimensional (3D) printing of 20 nm nanowire (NW)-covered CuO/Cu2O/Cu microparticles (MPs) with diameters of 15–25 μm on the surface of the glass substrate forming an ordered net is successfully reported for the first time. 3D-printed Cu MP-based stripes formed nonplanar CuO/Cu2O/Cu heterojunctions after thermal annealing at 425 °C for 2 h in air and were fully covered with a 20 nm NW net bridging MPs with external Au contacts. The morphological, vibrational, chemical, and structural investigations were performed in detail, showing the high crystallinity of the NWs and 3D-printed CuO/Cu2O/Cu heterojunction lines, as well as the growth of CuO NWs on the surface of MPs. The gas-sensing measurements showed excellent selectivity to acetone vapor at an operating temperature of 350 °C with a high gas response about 150% to 100 ppm. The combination of the possibility of fast acetone vapor detection, low power consumption, and controllable size and geometry makes these 3D-printed devices ideal candidates for fast detection, as well as for acetone vapor monitoring (down to 100 ppm). This 3D-printing approach will pave a new way for many different devices through the simplicity and versatility of the fabrication method for the exact detection of acetone vapors in various atmospheres. en_US
dc.language.iso en en_US
dc.publisher American Chemical Society en_US
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri http://creativecommons.org/licenses/by-nc-nd/3.0/us/ *
dc.subject 3D-printing en_US
dc.subject Cu depositions en_US
dc.subject heterojunctions en_US
dc.subject gas sensing en_US
dc.title 3D-Printed Chemiresistive Sensor Array on Nanowire CuO/Cu2O/Cu Heterojunction Nets en_US
dc.type Article en_US


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