Solar photovoltaic panels black blue

Solar panels usually have either a black or blue color. Black solar panels generally use monocrystalline silicon, while blue solar panels use polycrystalline silicon. Blue solar panels, on the other. . Why are most solar panels black and blue? You may be surprised to learn the color of solar panels is not just an aesthetic choice by the manufacturers. It's very important to know the differences before making decisions. [pdf]