While a-Si on itself has density defects, applying a hydrogenating process solves them, creating hydrogenated amorphous silicon (a-Si:H), which is easier to dope and has a wider bandgap, making it better for creating HJT cells. There are two varieties of c-Si, polycrystalline and monocrystalline silicon, but monocrystalline is the only one considered for HJT solar cells since it has a higher purity and therefore more efficient.Īmorphous silicon is used in thin-film PV technology and is the second most important material for manufacturing heterojunction solar cells. There are three important materials used for HJT cells:Ĭrystalline silicon is regularly used to create standard homojunction solar cells, seen in conventional panels. Materials required to manufacture a heterojunction solar cell ![]() To understand the technology, we provide you with a deep analysis of the materials, structure, manufacturing, and classification of the HJT panels. Heterojunction solar panels are assembled similarly to standard homojunction modules, but the singularity of this technology lies in the solar cell itself. Looking into the future of heterojunction technology. ![]() Limited space applications (Solar shingles & BIPV).Typical applications of heterojunction solar technology.Summing up: What benefits do heterojunction panels offer?.How do heterojunction solar panels work?.Classification of heterojunction solar cells.Manufacturing of a heterojunction solar cell. ![]()
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