太阳能光伏发电技术_3_太阳电池_组件及光伏方阵（Solar photovoltaic power generation technology of _3_ solar cells and photovoltaic components _）.doc

太阳能光伏发电技术_3_太阳电池_组件及光伏方阵（Solar photovoltaic power generation technology of _3_ solar cells and photovoltaic components _） Pdf document may at the WAP end of the browsing experience poor. Suggest you select TXT, or download the source file to the machine view. #$%! (*+, -%.) Expert forum /0/ solar cell The photovoltaic electric effect of silicon, the most abundant element on earth. Solar photovoltaic power generation technology (!) A, purification and growth and become crystal semiconductor, is the basic material for solar cell. The electrical characteristics of solar cell is unique by the incorporation of certain elements in crystalline silicon (e.g. phosphorus or boron) and in molecular materials, in charge imbalance caused by permanent, forming a semiconductor material with special electrical properties. With 1 light electric conversion properties of semiconductor devices usually Solar cell, photovoltaic array and components China Academy Ma Shenghong Lu Huyu! By two respectively with type 2 # type semiconductor and semiconductor materials and. When the light shines on the #12 junction, 1 electron hole pairs, attached to the semiconductor carrier near generated, attracted by the arrival of built-in electric field and space charge region. 2 electrons, holes into the # area, the 2 area to store excess electron area # excess hole, #12 junction formed near the opposite direction of the electric light barrier. In the light field in addition to partially offset barrier electric field, the # area is positive, 2 negative, 2 # thin layer between area and area of the electromotive force in this is the photovoltaic effect at this time,. If the short circuit, the outer circuit is proportional to the current flowing through the light and incident light energy, the current is called short-circuit current. On the other hand, if the #12 node is open at both ends, the electrons and holes are flow zone 2 and # District, the 2 District of the Fermi level than the Fermi level # regi