ORCID Profile
0000-0001-7835-5360
Current Organisation
Nanyang Technological University
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Publisher: Royal Society of Chemistry (RSC)
Date: 2022
DOI: 10.1039/D1TA09019D
Abstract: In situ fabricated Bi 2 O 3 nanosheets with both α-Bi 2 O 3 and Bi x Ni alloy phases, simultaneously contributing to the water dissociation step and the hydrogen formation step, demonstrate high HER electrocatalytic activity in alkaline media.
Publisher: Elsevier BV
Date: 04-2021
Publisher: Elsevier BV
Date: 08-2020
Publisher: Computers, Materials and Continua (Tech Science Press)
Date: 2020
Publisher: Elsevier BV
Date: 09-2020
Publisher: Wiley
Date: 31-07-2021
Abstract: The detection and monitoring of nitrogen dioxide (NO 2 ) plays a vital role in the environmental, healthcare, farming, and industrial sectors. However, the development of NO 2 gas sensors with simultaneously high sensitivity, reversibility, low detection limit, and excellent selectivity remains challenging. In this work, an ultrasensitive NO 2 gas sensor with superb selectivity and reversibility is demonstrated based on α‐phase molybdenum trioxide (α‐MoO 3 ). Nanoribbons of α‐MoO 3 are synthesized via vapor phase transport (VPT) and systematically characterized using a combination of advanced characterization probes. At an optimal operating temperature of 125 °C, the α‐MoO 3 ‐based sensor shows a very high sensitivity toward NO 2 with a detection limit as low as 24 ppb, while also exhibiting excellent selectivity and reversibility. Such impressive performance originates from the layered nature of the α‐MoO 3 nanoribbons as well as the hierarchical assembly of the nanoribbons as the sensing layer. The study demonstrates a facile sensing platform based on α‐MoO 3 for ultrasensitive and selective NO 2 gas sensing.
Publisher: American Chemical Society (ACS)
Date: 10-03-2021
Publisher: Elsevier BV
Date: 06-2021
Publisher: Elsevier BV
Date: 02-2020
Publisher: IEEE
Date: 10-2020
Publisher: MDPI AG
Date: 17-05-2017
DOI: 10.3390/S17051142
Publisher: Elsevier BV
Date: 04-2019
Publisher: Elsevier BV
Date: 2018
Location: China
No related grants have been discovered for Wei Li.