ZnO coral-like nanoplates decorated with Pd nanoparticles for enhanced VOC gas sensing

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Fältnamn	Indikatorer	Metadata
000		04401naa a2200421 4500
001		oai:DiVA.org:uu-450038
003		SwePub
008		210810s2021 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-4500382 URI
024	7	a https://doi.org/10.1016/j.jsamd.2021.05.0052 DOI
040		a (SwePub)uu
041		a engb eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Chu Manh, Hungu International Training Institute for Materials Science (ITIMS), Hanoi University of Science and Technology (HUST), No 1 – Dai Co Viet Street, Hanoi, Viet Nam4 aut
245	1 0	a ZnO coral-like nanoplates decorated with Pd nanoparticles for enhanced VOC gas sensing
264	1	a Hanoi, Vietnam :b Elsevier,c 2021
338		a electronic2 rdacarrier
520		a A high working temperature of the ZnO nanomaterial-based gas sensor could shorten the lifetime of the sensor and increase its power consumption. Enhancing the volatile organic compound (VOC) sensing performance of ZnO nanomaterial-based gas sensors in terms of gas response and temperature is vital for their practical application. Decoration of noble metals onto nanostructures is an effective approach for improving their sensing characteristics. Herein, hydrothermally synthesized ZnO coral-like nanoplates decorated with Pd nanoparticles are introduced to achieve the improved VOC sensing performance. The morphology, crystal structure, composition, atomic structure, and gas sensing properties of the synthesized pristine and Pd–ZnO coral-like nanoplates were investigated. The results showed a remarkable reduction of optimal working temperature from 450 °C for the pristine ZnO based sensor to 350 °C for the Pd–ZnO based sensor. The sensor response to acetone at the optimal operating temperature of 350 °C was improved three times by surface decoration with Pd nanoparticles. The response time and recovery time of the Pd–ZnO sensor were about three times faster than that of the pristine ZnO sensor. The Pd–ZnO sensor reached a theoretical detection limit of 17 ppt and a sensitivity of 3.5–2.5 ppm acetone at 350 °C. The sensor transient stability after several on/off switching cycles from air to gas revealed the effective reusability of the fabricated devices. A plausible mechanism for the VOC sensing of the porous Pd–ZnO coral-like nanoplate-based sensor is also discussed.
653		a Gas sensor
653		a Pd nanoparticles
653		a Porous ZnO coral-like nanoplates
653		a Sensing mechanism
653		a Teknisk fysik med inriktning mot materialvetenskap
653		a Engineering Science with specialization in Materials Science
700	1	a Lai Van, Duyu International Training Institute for Materials Science (ITIMS), Hanoi University of Science and Technology (HUST), No 1 – Dai Co Viet Street, Hanoi, Viet Nam4 aut
700	1	a Dang Thi Thanh, Leu International Training Institute for Materials Science (ITIMS), Hanoi University of Science and Technology (HUST), No 1 – Dai Co Viet Street, Hanoi, Viet Nam4 aut
700	1	a Nguyen, Hugo,d 1955-u Uppsala universitet,Institutionen för materialvetenskap,Mikrosystemteknik4 aut
700	1	a Duy, Nguyen Vanu International Training Institute for Materials Science (ITIMS), Hanoi University of Science and Technology (HUST), No 1 – Dai Co Viet Street, Hanoi, Viet Nam,ITIMS4 aut
700	1	a Nguyen Duc, Hoau International Training Institute for Materials Science (ITIMS), Hanoi University of Science and Technology (HUST), No 1 – Dai Co Viet Street, Hanoi, Viet Nam,ITIMS4 aut
710	2	a International Training Institute for Materials Science (ITIMS), Hanoi University of Science and Technology (HUST), No 1 – Dai Co Viet Street, Hanoi, Viet Namb Institutionen för materialvetenskap4 org
773	0	t Journal of Science: Advanced Materials and Devicesd Hanoi, Vietnam : Elsevierg 6:3, s. 453-461q 6:3<453-461x 2468-2284x 2468-2179
856	4	u https://doi.org/10.1016/j.jsamd.2021.05.005y Fulltext
856	4	u https://uu.diva-portal.org/smash/get/diva2:1583870/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print
856	4	u https://doi.org/10.1016/j.jsamd.2021.05.005
856	4 8	u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-450038
856	4 8	u https://doi.org/10.1016/j.jsamd.2021.05.005

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Av författaren/redakt...: Chu Manh, Hung; Lai Van, Duy; Dang Thi Thanh, ...; Nguyen, Hugo, 19 ...; Duy, Nguyen Van; Nguyen Duc, Hoa

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