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High-Effi ciency Amorphous Silicon Solar Cell on a Periodic Nanocone Back Refl ector
Amorphous Silicon Solar Cell Periodic Nanocone
2012/8/7
hin-fi lm silicon solar cells, including hydrogenated amorphous silicon (a-Si:H) single-junction and amorphous/microcrystal line silicon (a-Si:H/ μ c-Si:H) tandem-junction solar cells, are promi...
Silicon Quantum Well Light-Emitter for Optical Interconnections
Quantum dot devices Light-emitting diodes Microcavity devices
2010/6/8
We have developed all-silicon based light-emitter for optical interconnections. The relatively short florescent lifetime of 4.2 ns in a silicon quantum well makes direct modulations at 10 Mbps accessi...
Detection and Localization of Defects in Monocrystalline Silicon Solar Cell
solar cell electric signals combination of electric and optical methods
2009/12/14
Near-surface defects in solar cell wafer have undesirable influence upon device properties, as its efficiency and lifetime. When reverse-bias voltage is applied to the wafer, a magnitude of electric s...
Optical Absorption Enhancement in Amorphous Silicon Nanowire and Nanocone Arrays
Optical Absorption Enhancement Amorphous Silicon Nanowire Nanocone Arrays
2009/8/10
Hydrogenated amorphous Si (a-Si:H) is an important solar cell material. Here we demonstrate the fabrication of a-Si:H nanowires (NWs) and nanocones (NCs), using an easily scalable and IC-compatible pr...
We review the field of thin-film silicon solar cells with an active layer thickness of a few micrometers. These technologies can potentially lead to low cost through lower material costs than conventi...