R. Gautam, S. Ahmed, and D. Seth, Journal of Luminescence 198, 508-516 (2018)
“…The weight-average life time was calculated from the equation 〈 τ 〉 = ∑ i = 1 N C i τ i . In time resolved emission the temperature was varied from 288 to 333 K by using the peltier control cuvette holder from Quantum Northwest (model TLC-50)…”