Optimization of Polysilicon Solar Cell Texture-making Technology

Isotropic acidic etching method is primary one in polysilicon texture-making methods for its low cost and convenient operation and has become a hot spot of present research.Different reagent ratio and different reaction time lead to different results and coupling relations between variables is complex,so finding out suitable processing parameters is important and meaningful.The etching speed and lights reflex ration is used as judge criterion,helped by genetic algorithm(GA) and artificial neural network(ANN),the best treating parameters can be deduced out in theory,tests have manifest its effectiveness and accuracy.