Keat Ghee Ong

Hydrogen sensing using titania nanotubes

Oomman K. Varghese, Dawei Gong, Maggie Paulose et al. · Sensors and Actuators B Chemical · 2003 · 763 citations

Engineering, Sensors, Nanomaterials +5

Extreme Changes in the Electrical Resistance of Titania Nanotubes with Hydrogen Exposure

Oomman K. Varghese, D. Gong, Maggie Paulose et al. · Advanced Materials · 2003 · 669 citations

Electrical Resistance, Engineering, Gas Sensor +16

Gas sensing characteristics of multi-wall carbon nanotubes

Oomman K. Varghese, P.D. Kichambre, D. Gong et al. · Sensors and Actuators B Chemical · 2001 · 584 citations

Chemical Engineering, Engineering, Carbon-based Material +6

Unprecedented ultra-high hydrogen gas sensitivity in undoped titania nanotubes

Maggie Paulose, Oomman K. Varghese, Gopal K. Mor et al. · Nanotechnology · 2005 · 414 citations

Electrical Resistance, Hydrogen Energy Technology, Engineering +17

A wireless, passive carbon nanotube-based gas sensor

Keat Ghee Ong, Craig A. Grimes · IEEE Sensors Journal · 2002 · 376 citations

Carbon Dioxide, Electrical Engineering, Chemical Engineering +12