
317Thermal Nanosensors
devoid of gas molecules responsible for heat conduction. This lower limit of
the gap dimension is less than 1 nm, which is about two orders of magnitude
smaller than the gap size achieved.
5.18 Carbon Nanotube–Polymer Nanocomposite as
Conductivity Response Infrared Nanosensor
How is the IR photoresponse of SWCNTs affected by embedding them in an insulating
matrix? Pradhan et al. (2008) reported that the IR photoresponse of SWCNTs
was dramatically improved by embedding SWCNTs in an electrically and
thermally insulating polymer matrix such as PC (a thermoplastic polymer
containing carbonate groups (–O–(C=O)–O–)) in the air ...