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Photochemical Sensing of NO 2 with SnO 2 Nanoribbon Nanosensors at Room Temperature
Author(s) -
Law Matt,
Kind Hannes,
Messer Benjamin,
Kim Franklin,
Yang Peidong
Publication year - 2002
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/1521-3773(20020703)41:13<2405::aid-anie2405>3.0.co;2-3
Subject(s) - nanosensor , foundation (evidence) , work (physics) , materials science , nanotechnology , optoelectronics , physics , political science , thermodynamics , law
Good candidates for miniaturized, ultrasensitive gas sensors in many applications are individual single‐crystalline SnO 2 nanoribbons. Here it is shown that they can be used to detect ppm‐level concentrations of NO 2 at room temperature under UV illumination. The picture illustrates that they work reliably even near their resolution limit under 365‐nm light.