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Triplet-sensitization by lead halide perovskite thin films for near-infrared-to-visible upconversion
L. Nienhaus, J.-P. Correa-Baena, S. Wieghold, M. Einzinger, T.-A. Lin, K.E. Shulenberger, N.D. Klein, M. Wu, V. Bulović, T. Buonassisi, M.A. Baldo, and M.G. BawendiACS Energy Letters 4, 888-895 (2019)