Electronics & Semiconductors

Suppression of deep-level traps for lead-free perovskite solar cells

Tin perovskites have gained tremendous attention in lead-free perovskite solar cells. However, Sn vacancies and undercoordinated Sn ions on the tin perovskite surfaces can create deep-level traps, leading to non-radiative ...

Energy & Green Tech

Outstanding performance of organic solar cell using tin oxide

Organic solar cells have a photoactive layer that is made from polymers and small molecules. The cells are very thin, can be flexible, and are easy to make. However, the efficiency of these cells is still much below that ...

Engineering

New type of semiconductor may advance low-energy electronics

A research partnership between Penn State and the Massachusetts Institute of Technology (MIT) could enable an improved method to make a new type of semiconductor that is a few atoms thin and interacts with light in an unusual ...

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