Highlights of LMPV research PV materials science, Fundamental nanophotonics, Device physics, and Physics beyond PV Influence of grain-size and orientation on optoelectronic properties of perovskites 1D and 2D waveguiding in an ultrathin GaAs NW/Si tandem solar cell Directed nanoscale metal deposition at the solid–liquid interface Quantification of mobile ions in MAPbI3 perovskite Resonant metagratings for broad-angle colored photovoltaics Broadband highly directive 3D nanophotonic Optical metasurface performing mathematical operations Quantifying strain and dislocation density at nanocube interfaces