Journal
APPLIED PHYSICS EXPRESS
Volume 8, Issue 4, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.7567/APEX.8.042302
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Funding
- National Science Foundation [EPS-1003970]
- NASA [NNX09AW22A]
- NASA [104717, NNX09AW22A] Funding Source: Federal RePORTER
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We report on the photovoltaic characteristics of molecular beam epitaxy-grown PiN InGaN nanorod solar cells. The glancing angle deposition process was adapted to grow continuous transparent metal layers on discontinuous nanorods. A short-circuit current density of 4.6mA/cm(2) and an open-circuit voltage of 0.22V with a power conversion efficiency of 0.5% under 1 sun, air-mass 1.5, illumination were observed. The excellent lightgenerated current in the InGaN nanorod solar cells is considered to stem from the improved crystal quality owing to the strain-free nature as well as the enhanced light concentration effects in the nanorod configuration. (C) 2015 The Japan Society of Applied Physics
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