Journal
SEMICONDUCTOR SCIENCE AND TECHNOLOGY
Volume 25, Issue 6, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0268-1242/25/6/065010
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Funding
- Austrian Science Fund 'Fonds zur Forderung der wissenschaftlichen Forschung' (FWF) [SFB-025 TP08, P20981-N14]
- 'Gesellschaft fur Mikro- und Nanoelektronik'(GMe)
- Austrian Science Fund (FWF) [F 2503, F 2508] Funding Source: researchfish
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Conductive atomic force microscopy in combination with an optical setup is a useful tool for obtaining spectrally and spatially resolved photocurrent information on photoactive nanostructures. We have demonstrated photocurrent mapping under ambient conditions using sub-surface InAs quantum dots (QDs) as an example, whereby the QDs appear as dark areas in the photocurrent signal. Spectrally resolved measurements of on-dot and off-dot areas show distinct differences, confirming the existence of QDs at the detected position.
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