High-throughput synthesis of silver nanoplates and optimization of optical properties by machine learning

•Synthesis of silver nanoplates at 486 conditions using automated liquid handler.•Concentration effects of AgNO3, citrate, and seed nanoparticle widely explored.•The absorption spectra rapidly measured by 96-well microplate reader.•Machine learning of the peak position, width, and height against the concentrations.•Optimized recipes of nanoplates with high and narrow peaks at desired wavelengths.