
Electron microscopy at Oak Ridge National Laboratory confirmed that a carbon nanotube material that exhibits desirable chemical properties has many heavy atoms, such as the iron atoms circled in red. (Photo submitted by ORNL)
A team of researchers that included scientists from Oak Ridge National Laboratory has developed an inexpensive carbon nanotube material that could help lower the cost of fuel cells and catalytic converters.
The new material could provide a substitute for expensive platinum catalysts.