Figure 4 .
MeasuredI-Vcharacteristics of GO films in the humidity range of 15% to 95%.I-V characteristic of the GO-film-functionalized IDE with a low sweeping voltage (-1 to 1 V) at various RH levels. The inset figure shows the measurement configuration of the electrical connection.
Yao et al. Nanoscale Research Letters 2012 7:363 doi:10.1186/1556-276X-7-363