Abstract:
PROBLEM TO BE SOLVED: To provide a photovoltaic cell having improved stability against the influence of light deterioration and environment.SOLUTION: A solid p-n hetero junction comprises: an electron conductor; a Hall conductor; and further a semiconductor for sensitization. The semiconductor for the sensitization is located at an interface between the electron conductor and the Hall conductor. Especially, the semiconductor for the sensitization has a quantum dot shape. A solid sensitization photovoltaic cell comprises the disclosed lamination hetero junction between two electrodes.
Abstract:
PROBLEM TO BE SOLVED: To provide a simple and effective avalanche photodiode that can be manufactured inexpensively and with efficient critical control.SOLUTION: The present invention includes a planar avalanche photodiode, having a first n-type semiconductor layer defining a planar contact area and a second n-type semiconductor layer having a p-type diffusion region. A further feature of the structure includes an n-type semiconductor multiplication layer, an n-type semiconductor absorption layer, and a p-type contact layer. A further embodiment includes a planar avalanche photodiode having the first n-type semiconductor layer defining the planar contact area, the n-type semiconductor multiplication layer, the n-type semiconductor absorption layer and a p-type semiconductor layer electrically coupled to the p-type contact layer.
Abstract:
PROBLEM TO BE SOLVED: To provide a photoelectronic device with improved efficiency. SOLUTION: In an organic solar battery having n organic thin film layers from the first to the nth (n is an integer greater than 2) of organic thin film layers laminated successively between two electrodes, between all the kth (k is an integer of 1≤k≤(n-1)) organic thin film layer and k+1th organic thin film layer, a conductor layer in a floating state containing a metal oxide and p-type organic semiconductor, a metal oxide and n-type organic semiconductor, a compound semiconductor and p-type organic semiconductor or a compound semiconductor and n-type organic semiconductor is provided. COPYRIGHT: (C)2010,JPO&INPIT