Journal ArticleDOI
InP Nanowire Array Solar Cells Achieving 13.8% Efficiency by Exceeding the Ray Optics Limit
Jesper Wallentin,Nicklas Anttu,Damir Asoli,Maria Huffman,Ingvar Åberg,Martin Magnusson,Gerald Siefer,Peter Fuss-Kailuweit,Frank Dimroth,Bernd Witzigmann,Hongqi Xu,Hongqi Xu,Lars Samuelson,Knut Deppert,Magnus T. Borgström +14 more
Reads0
Chats0
TLDR
It is reported that arrays of p-i-n InP nanowires (that switch from positive to negative doping), grown to millimeter lengths, can be optimized by varying the nanowire diameter and length of the n-doped segment, which are comparable to the best planar InP photovoltaics.Abstract:
Photovoltaics based on nanowire arrays could reduce cost and materials consumption compared with planar devices but have exhibited low efficiency of light absorption and carrier collection. We fabricated a variety of millimeter-sized arrays of p-type/intrinsic/n-type (p-i-n) doped InP nanowires and found that the nanowire diameter and the length of the top n-segment were critical for cell performance. Efficiencies up to 13.8% (comparable to the record planar InP cell) were achieved by using resonant light trapping in 180-nanometer-diameter nanowires that only covered 12% of the surface. The share of sunlight converted into photocurrent (71%) was six times the limit in a simple ray optics description. Furthermore, the highest open-circuit voltage of 0.906 volt exceeds that of its planar counterpart, despite about 30 times higher surface-to-volume ratio of the nanowire cell.read more
Citations
More filters
Journal ArticleDOI
Light management for photovoltaics using high-index nanostructures.
TL;DR: This Review discusses some of the recent developments in the design and implementation of such photonic elements in thin-film photovoltaic cells, including nanoscale wires, particles and voids.
Journal ArticleDOI
25th Anniversary Article: Semiconductor Nanowires – Synthesis, Characterization, and Applications
Neil P. Dasgupta,Jianwei Sun,Jianwei Sun,Chong Liu,Chong Liu,Sarah Brittman,Sarah Brittman,Sean C. Andrews,Sean C. Andrews,Jongwoo Lim,Jongwoo Lim,Hanwei Gao,Hanwei Gao,Ruoxue Yan,Ruoxue Yan,Peidong Yang +15 more
TL;DR: A detailed explanation of the unique properties associated with the one-dimensional nanowire geometry will be presented, and the benefits of these properties for the various applications will be highlighted.
Journal ArticleDOI
Quantum Dot Solar Cells. The Next Big Thing in Photovoltaics.
TL;DR: The recent advances as well as future prospects of quantum dot solar cells discussed in this perspective provide the basis for consideration as "The Next Big Thing" in photovoltaics.
Journal ArticleDOI
Single-nanowire solar cells beyond the Shockley-Queisser limit
Peter Krogstrup,H. I. Jørgensen,Martin Heiss,Oliver Demichel,Jeppe V. Holm,Martin Aagesen,Jesper Nygård,Anna Fontcuberta i Morral +7 more
TL;DR: In this article, a single core-shell p-i-n junction GaAs nanowire solar cell grown on a silicon substrate was shown to achieve a short-circuit current of 180 mA cm-2 at 1 sun illumination, more than one order of magnitude higher than that predicted from the Lambert-Beer law.
Journal ArticleDOI
Nanophotonics: shrinking light-based technology.
TL;DR: Control over light at the nanoscale has not only unveiled a plethora of new phenomena but has led to a variety of relevant applications, including new venues for integrated circuitry, optical computing, solar, and medical technologies, setting high expectations for many novel discoveries in the years to come.
References
More filters
Journal ArticleDOI
Enhanced absorption and carrier collection in Si wire arrays for photovoltaic applications (Nature Materials (2010) 9 (239-244))
Journal ArticleDOI
Nanowire Solar Cells
TL;DR: In this paper, the authors describe nanowire solar cell synthesis and fabrication, important characterization techniques unique to Nanowire systems, and advantages of the nanouire geometry. But they do not discuss the potential advantages of using nanowires over planar wafer-based or thin-film solar cells.
Journal ArticleDOI
Epitaxial III-V nanowires on silicon
Thomas Mårtensson,C. Patrik T. Svensson,T. Brent A. Wacaser,Magnus Larsson,Werner Seifert,Knut Deppert,Anders Gustafsson,L. Reine Wallenberg,Lars Samuelson +8 more
TL;DR: In this paper, the authors present results of ideal epitaxial nucleation and growth of III−V semiconductor nanowires on silicon substrates, and demonstrate the efficient room-temperature generation of light on silicon is demonstrated by the incorporation of double heterostructure segments in such nano-structures.
Journal ArticleDOI
Nanowire Arrays Defined by Nanoimprint Lithography
Thomas Mårtensson,Patrick Carlberg,Magnus T. Borgström,Lars Montelius,Werner Seifert,Lars Samuelson +5 more
TL;DR: In this paper, the use of nanoimprint lithography to define arrays of vertical InP nanowires is demonstrated, where each nanowire is individually seeded from a catalyzing gold particle and then grown via vapor-liquid-solid growth in a metalorganic vapor phase epitaxy system.