Chinese researchers build heterojunction silicon solar cell with MXenes-based hole transport layer

A research group including scientists from Chinese module maker Longi has developed an undoped monocrystalline heterojunction cell that uses the promising MXene compound for the hole transport layer. The experimental device achieved an efficiency of 12. 2% and was able to retain around 86% of its initial efficiency after 105-day exposure in ambient environment. A group of scientists led by China's Lanzhou University and Chinese solar module maker Longi has designed an undoped heterojunction silicon solar cell based on hole transport layer relying on a functionalized two-dimensional titanium carbide ...

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