Relative photoresponse and responsivity. (a) Relative photoresponse of the device in long- and mid-wave regions. (b) Responsivity at λ=5 and 8 μm as a function of applied bias. Solid curves are the best fit of experimental data to expression (1). The sample temperature is 90 K.
Yakimov et al. Nanoscale Research Letters 2013 8:217 doi:10.1186/1556-276X-8-217