@article{article, title  = {{Photoluminescence upconversion at interfaces driven by a sequential two-photon absorption mechanism}},

 publisher = {{American Physical Society}},

 url = {{https://eprints.whiterose.ac.uk/id/eprint/102413 http://dx.doi.org/10.1103/PhysRevB.93.235303 }},

 year = {{2016}},

 month = {{6}},

 author = {{Hylton NP and Hinrichsen TF and Vaquero-Stainer AR and Yoshida M and Pusch A and Hopkinson M and Hess O and Phillips CC and Ekins-Daukes NJ}},

 doi = {{10.1103/PhysRevB.93.235303}},

 volume = {{93}},

 journal = {{Physical Review B}},

 issue = {{23}},

 note = {{Accessed on 2025/11/28}}}