title: Correction: Photon upconversion: from two-photon absorption (TPA) to triplet-triplet annihilation (TTA).
abstract: Correction for 'Photon upconversion: from two-photon absorption (TPA) to triplet-triplet annihilation (TTA)' by Changqing Ye et al., Phys. Chem. Chem. Phys., 2016, DOI: .
authors.affiliation: Jiangsu Key Laboratory for Environmental Functional Materials, Research Center for Green Printing Nanophotonic Materials, Institute of Chemistry, Biology and Materials Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China. wangxiaomei@mail.usts.edu.cn.
authors.forename: Changqing
authors.initials: C
authors.lastname: Ye
authors.affiliation: Jiangsu Key Laboratory for Environmental Functional Materials, Research Center for Green Printing Nanophotonic Materials, Institute of Chemistry, Biology and Materials Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China. wangxiaomei@mail.usts.edu.cn.
authors.forename: Liwei
authors.initials: L
authors.lastname: Zhou
authors.affiliation: Jiangsu Key Laboratory for Environmental Functional Materials, Research Center for Green Printing Nanophotonic Materials, Institute of Chemistry, Biology and Materials Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China. wangxiaomei@mail.usts.edu.cn.
authors.forename: Xiaomei
authors.initials: X
authors.lastname: Wang
authors.affiliation: Jiangsu Key Laboratory for Environmental Functional Materials, Research Center for Green Printing Nanophotonic Materials, Institute of Chemistry, Biology and Materials Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China. wangxiaomei@mail.usts.edu.cn.
authors.forename: Zuoqin
authors.initials: Z
authors.lastname: Liang