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The role of C-H and C-C stretching modes in the intrinsic non-radiative decay of triplet states in a Pt-containing conjugated phenylene ethynylene
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10.1063/1.3691105
/content/aip/journal/jcp/136/9/10.1063/1.3691105
http://aip.metastore.ingenta.com/content/aip/journal/jcp/136/9/10.1063/1.3691105

Figures

Image of Scheme 1.
Scheme 1.
Image of Scheme 2.
Scheme 2.
Image of FIG. 1.
FIG. 1.

The chemical structures of the Pt-TBT monomer and its deuterated counterpart.

Image of FIG. 2.
FIG. 2.

The FTIR and Raman spectra of non-deuterated (H) and deuterated (D) Pt-monomer. The assignments of the peaks are discussed in detail in Table II.

Image of FIG. 3.
FIG. 3.

The refractive index (solid lines) and absorption spectra (dashed lines) of the deuterated Pt-containing monomer. The non-deuterated analogues have very similar refractive index dispersions.

Image of FIG. 4.
FIG. 4.

Thin film phosphorescence spectra of the deuterated and non-deuterated compounds at 10 K (dotted lines) and the Franck-Condon fit (solid lines).

Image of FIG. 5.
FIG. 5.

The decay of the phosphorescence measured at 10-5 M (per repeat unit) in MeTHF at 80 K. The laser pulse occurs at 0 μs.

Tables

Generic image for table
Table I.

Synthetic and spectroscopic data for the Pt-containing non-deuterated (Pt-TBT H) and deuterated (Pt-TBT D) monomer.

Generic image for table
Table II.

Approximate wavenumbers and energies of Raman (0–7) and FTIR (a)–(c) peaks as shown in Figure 2 and their assignments.

Generic image for table
Table III.

The phonon energies (ℏω i ) of the different vibronic modes as determined from Figure 2 and the Huang-Rhys parameters S i calculated from the phosphorescence spectra (Figure 4). The relaxation energy associated with each mode E rel, i = S i ℏω i is also shown along with the total relaxation energies of the individual materials .

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/content/aip/journal/jcp/136/9/10.1063/1.3691105
2012-03-06
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The role of C-H and C-C stretching modes in the intrinsic non-radiative decay of triplet states in a Pt-containing conjugated phenylene ethynylene
http://aip.metastore.ingenta.com/content/aip/journal/jcp/136/9/10.1063/1.3691105
10.1063/1.3691105
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