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Page 8 of 13                        Cheng et al. Chem Synth 2023;3:13  https://dx.doi.org/10.20517/cs.2022.43

























                                                         t
                     Figure 6. Emission spectra of [PF-{N C H-C H C≡CPt( Bu tpy)} ](OTf)  (3) in acetonitrile with increasing temperature.
                                                  6
                                                               2
                                                           3
                                                   4
                                              2
                                             3
                                                                    2n

















                                                         t
                    Figure 7. Emission spectra of [PFP-{N C H-C H C≡CPt( Bu tpy)} ](OTf)  (4) in acetonitrile with increasing temperature.
                                                                    2n
                                                           3
                                                               2
                                               2
                                             3
                                                  6
                                                    4

















                                                         t
                    Figure 8. Emission spectra of [PFT-{N C H-C H C≡CPt( Bu tpy)} ](OTf) (5) in acetonitrile with increasing temperature.
                                             3  2  6  4    3    2    2n
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