Half-Pipe Palladium Nanotube-Based Hydrogen Sensor Using a Suspended Nanofiber Scaffold

Cited 1 time in webofscience Cited 0 time in scopus
  • Hit : 26
  • Download : 0
A half-pipe palladium nanotube network (H-PdNTN) structure was developed for high-performance hydrogen (H-2) sensor applications. To fabricate the sensor, suspended poly(vinyl alcohol) (PVA) nanofiber bundles were electrospun on a conductive substrate, followed by a palladium (Pd) deposition on top of the PVA nanofiber bundles. Then, Pd-deposited PVA nanofibers were transferred to a host substrate, and the PVA nanofiber templates were selectively removed. Various material analyses confirmed that the PVA nanofibers were successfully dissolved leaving a half-pipe-shaped Pd nanotube network. The fabricated Pd nanotube-based sensors were tested for H-2 responses with different gas concentrations. The 4 nm thick sensor showed the highest response (Delta R/R-0) to H-2 gas. Platinum (Pt) decoration of the sensor showed an improved response speed compared to that of the pristine sensor via the catalytic function of Pt. Additionally, the sensor exhibited good H-2 selectivity against other interfering gases. The H-PdNTN H-2 sensor provides a facile and cost-effective way to fabricate high-performance H-2 sensors.
Publisher
AMER CHEMICAL SOC
Issue Date
2019-04
Language
English
Article Type
Article
Citation

ACS APPLIED MATERIALS INTERFACES, v.11, no.14, pp.13343 - 13349

ISSN
1944-8244
DOI
10.1021/acsami.8b19848
URI
http://hdl.handle.net/10203/263335
Appears in Collection
ME-Journal Papers(저널논문)
Files in This Item
There are no files associated with this item.
This item is cited by other documents in WoS
⊙ Detail Information in WoSⓡ Click to see webofscience_button
⊙ Cited 1 items in WoS Click to see citing articles in records_button

qr_code

  • mendeley

    citeulike


rss_1.0 rss_2.0 atom_1.0