Check out our paper at https://pubs.acs.org/doi/10.1021/acs.chemmater.1c04279. For the brave, try our XPS prediction server at http://nanocarbon.fi/xps to obtain a prediction of carbon-based materials within seconds. A short story is also available here: https://miguelcaro.org/wp/2022/07/13/automated-x-ray-photoelectron-spectroscopy-xps-prediction-for-carbon-based-materials-combining-dft-gw-and-machine-learning/
