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Table 3 TPE cross section of materials (Ex, 760 nm)

From: Water-Soluble Fullerenol with Hydroxyl Group Dependence for Efficient Two-Photon Excited Photodynamic Inactivation of Infectious Microbes

ReferenceIntegrated emission intensity (counts) Action cross section (ησ)
Rhodamine B268.49 66.1
SampleIntegrated emission intensity (counts)Relative quantum yield (η)Absolute cross section (σ)
C60(OH)4684.260.021037.21
C60(OH)21299.890.061230.51
  1. Rhodamine B was selected as the standard reference for the TPE cross section, and the relevant caluclations are presented in Materials and Methods