LISTED SINCE 11/2

Flexible Solar Panel

Post Date: 8/8/2008
Expiry Date: 2/4/2009

Detailed Product Description

asisolar absorb all the sunlight

Utilizing triple junction amorphous silicon photovoltaic technology, asisolar capture the broad solar spectrum. This spectrum splitting capability is the key to higher engergy output.
Triple Junction Sandwich
Triple junction solar cells are designed as a three- layer sandwich. The spectrum splitting capability is the key to higher energy output.

The top layer, which captures the blue photons, uses a-Si with an optical gap of ~ 1.8eV for the intrinsic (i) layer.
The middle layer is an amorphous silicon-germanium (a-SiGe) alloy with about 10-15% Ge. The optical gap is ~1.6eV, which is ideally suited for absorbing the green photons.
The bottom layer captures the red and infrared photons and uses an i layer of a-SiGe alloy with about 40-50% Ge, corresponding to an optical gap of ~1.4eV.
Light rays not absorbed during the entry would be reflected from the silver/zinc oxide (Ag/ZnO) layer and be absorbed on the way

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