High-Performance Silicon Nanowire Array Photoelectrochemical Solar Cells through Surface Passivation and Modification

Nanowire solar cells: Pt nanoparticle (PtNP) decorated C/Si core/shell nanowire photoelectrochemical solar cells (see picture) show high conversion efficiency of 10.86 % and excellent stability in aggressive electrolytes under 1‐sun AM 1.5 G illumination. Superior device performance is achieved by i...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2011-10, Vol.50 (42), p.9861-9865
Main Authors: Wang, Xin, Peng, Kui-Qing, Pan, Xiao-Jun, Chen, Xue, Yang, Yang, Li, Li, Meng, Xiang-Min, Zhang, Wen-Jun, Lee, Shuit-Tong
Format: Article
Language:English
Subjects:
Carbon - chemistry
Electric Power Supplies
Metal Nanoparticles - chemistry
nanostructures
Nanowires - chemistry
Particle Size
Photochemical Processes
platinum
Platinum - chemistry
silicon
Silicon - chemistry
solar cells
Solar Energy
surface passivation
Surface Properties
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Summary:Nanowire solar cells: Pt nanoparticle (PtNP) decorated C/Si core/shell nanowire photoelectrochemical solar cells (see picture) show high conversion efficiency of 10.86 % and excellent stability in aggressive electrolytes under 1‐sun AM 1.5 G illumination. Superior device performance is achieved by improved surface passivation of the nanowires by carbon coating and enhanced interfacial charge transfer by PtNPs.
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201104102