Gas Sensors Based on Locally Heated Multiwall Carbon Nanotubes Decorated with Metal Nanoparticles

Figure 2

Image of an open (a) and sealed (b) reactor, enclosing a chip with four sensors, connected to the vacuum system. (c) Schematic drawing of the reactor having a volume of 100 L. The working cavity (1), the electric contact pins (2), the upper lid (3), and the connecting tubes (4) are all molded in Kovar.

(a)

(b)

(c)