Figure 5 .

FESEM image and room-temperatureI-Vcharacteristic of as-fabricated GNR/CdS NW heterojunction LED. (a) FESEM image of an as-fabricated GNR/CdS NW heterojunction LED. (b) Room-temperature I-V characteristic of the LED in (a) on a semilog scale. The red straight line shows the fitting result of the I-V curve by the equation <a onClick="popup('http://www.nanoscalereslett.com/content/7/1/218/mathml/M6','MathML',630,470);return false;" target="_blank" href="http://www.nanoscalereslett.com/content/7/1/218/mathml/M6">View MathML</a>.

Ye et al. Nanoscale Research Letters 2012 7:218   doi:10.1186/1556-276X-7-218
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