Chinese solar module maker Longi has presented a new tandem perovskite-silicon solar cell with a 34.58% power conversion efficiency. The cell incorporates a new material designed to reduce passivating ...

Performance enhancements were primarily attributed to higher short-circuit current densities (J SC), increased quasi-Fermi level splitting, improved carrier generation, stronger internal electric ...

The van-Hove singularities (VHSs) are brought to the Fermi level under higher pressure, which induces the Peierls-type instability and the dimerized structure.