The Élysée Palace is the official residence of the President of the French Republic. Completed in 1722, it was initially built for Louis Henri de La Tour d'Auvergne. It was used as the office of the French President for the first time in 1848. Read More
The manufacture of high-efficiency solar cells with layers of 2D and 3D perovskites may be simplified by solvents that allow solution deposition of one layer without destroying the other. ...