Crystal silicon quantum dot solar cell

The utility model provides a crystal silicon quantum dot solar cell, wherein, including aluminium back of the body electric field, crystalline silicon substrate, emitter junction layer, silicide layer, transparent film layer and the metal electrode who stacks gradually, wherein, the silicide layer includes first silicide layer and disilicide layer, disilicide contains silicon quantum dot in the layer, first silicide layer and disilicide layer alternately and pile form multilayer structure, follow emitter junction layer to transparent film layer emitter junction layer to transparent film layer is followed in the layer thickness gradual change of first silicide layer among the multilayer structure the layer thickness gradual change on disilicide layer among the multilayer structure. The utility model provides a crystal silicon quantum dot solar battery can effectively improve photo -generated current and open circuit voltage. 本实用新型提供种晶体硅量子点太阳能电池，其中，包括依次层叠的铝背电场、晶体硅衬底、发射结层、硅化物层、透明薄膜层和金属电极，其中，所述硅化物层包括第硅化物层和第二硅化物层，