@article{20.500.12614/2757, year = {2021}, url = {http://hdl.handle.net/20.500.12614/2757}, title = {Improving the Long-Term Stability of Doped Spiro-Type Hole-Transporting Materials in Planar Perovskite Solar Cells}, doi = {10.1002/solr.202100650}, volume = {5}, journal = {Solar RRL}, author = {Urieta-Mora J. and García-Benito I. and Illicachi L.A. and Calbo J. and Aragó J. and Molina-Ontoria A. and Ortí E. and Martín, Nazario and Nazeeruddin M.K.}, }