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. 2022 Dec 14;126(51):21681–21688. doi: 10.1021/acs.jpcc.2c05284

Table 1. Summary of Monolayer Volume Fraction (Vf), Position of Monolayer A-Exciton Peak (EAML), Center and Full Width at Half-Maximum (fwhm) of PL Spectra, and Position and Average Exciton Lifetime ⟨τ⟩ of A-Exciton Ground State Bleach (GSB) from Pump–Probe Measurements.

sample ML Vf (%) EAML (abs, eV) EAML (PL, eV) fwhm (PL, meV) EAML (GSB, eV) ⟨τ⟩ (AM-exciton GSB, ps) ⟨τ⟩ (AFL-exciton GSB, ps)
LPE 10–30k g WS2/H2O 78 2.029 2.029 19 2.029 481 325
LPE 10–30k g WS2/IPA 35 2.019 2.019 19 2.019 231 759
ME untreated WS2     1.981 44 2.006 6  
ME Li-TFSI treated WS2     2.013 10 2.013 90