Chem. J. Chinese Universities ›› 2020, Vol. 41 ›› Issue (4): 646.doi: 10.7503/cjcu20190657
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YIN Shaoyun1,2,ZHANG Luyin1,3,WANG Zheng1,PAN Mei1,*()
Received:
2019-12-11
Online:
2020-04-10
Published:
2020-02-17
Contact:
Mei PAN
E-mail:panm@mail.sysu.edu.cn
Supported by:
CLC Number:
TrendMD:
YIN Shaoyun, ZHANG Luyin, WANG Zheng, PAN Mei. Glass-like Cuprous Iodide Complexes with Photoluminescence Tuning and Two-photon Emission Properties †[J]. Chem. J. Chinese Universities, 2020, 41(4): 646.
Fig.3 Excitation(A) and emission(B) spectra of Cu2I2L2, emission photos under 254 nm lamp(C), temperature-dependent photoluminescence spectra(D) of Cu-TCM
Complex | λmax/nm | Lifetime/μs | PLQY(%) | dCu—Cu/nm |
---|---|---|---|---|
Cu-TCM | 518 | 7.16 | 58.1 | 0.27608(16) |
Cu-Isopropanol | 512 | 7.62 | 55.6 | 0.27673(12) |
Cu-MeCN | 510 | 7.83 | 65.9 | 0.27654(10) |
Cu-EA | 510 | 8.02 | 33.1 | 0.27072(11) |
Cu-MeOH | 506 | 8.04 | 60.5 | 0.27547(11) |
Cu-EtOH | 506 | 8.18 | 68.4 | 0.27178(11) |
Cu-Aceton | 499 | 6.82 | 54.8 | 0.27120(14) |
Cu-DCM | 492 | 7.85 | 68.5 | 0.26873(15) |
Complex | λmax/nm | Lifetime/μs | PLQY(%) | dCu—Cu/nm |
---|---|---|---|---|
Cu-TCM | 518 | 7.16 | 58.1 | 0.27608(16) |
Cu-Isopropanol | 512 | 7.62 | 55.6 | 0.27673(12) |
Cu-MeCN | 510 | 7.83 | 65.9 | 0.27654(10) |
Cu-EA | 510 | 8.02 | 33.1 | 0.27072(11) |
Cu-MeOH | 506 | 8.04 | 60.5 | 0.27547(11) |
Cu-EtOH | 506 | 8.18 | 68.4 | 0.27178(11) |
Cu-Aceton | 499 | 6.82 | 54.8 | 0.27120(14) |
Cu-DCM | 492 | 7.85 | 68.5 | 0.26873(15) |
Temperature/K | 300 | 200 | 150 | 100 | 77 |
---|---|---|---|---|---|
Lifetime/μs, τ518 nm | 7.16 | 12.71 | 13.23 | 13.43 | 13.22 |
Temperature/K | 300 | 200 | 150 | 100 | 77 |
---|---|---|---|---|---|
Lifetime/μs, τ518 nm | 7.16 | 12.71 | 13.23 | 13.43 | 13.22 |
Fig.4 Power-dependent emission spectra of Cu-TCM(λex=812 nm)(A), lg(PL intensity)-lg(Power) relationship(B), change in slope of emission intensity for threshold determination(C) and TPA cross sections from 740 to 960 nm(D)Inset of (A): emission photo of Cu-TCM under 812 nm femtosecond-laser which is the same color as under 254 nm lamp.
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