Table 2 Raman shift of three P3HT isotopes when blending with PCBM.

From: The isotopic effects of deuteration on optoelectronic properties of conducting polymers

Polymer

C-S-C ring deformation

C-C stretching

C=C stretching

C-H sym stretching

C-H antisym stretching

P3HT:PCBM

728

1380

1443

2828

2888

SD-P3HT:PCBM

728

1360

1443

2807

2888

MD-P3HT:PCBM

702

1372

1432

2807

2865

  1. Raman shift of major stretching modes of P3HT after main-chain and side-chain deuteration
  2. MD-P3HT, main-chain deuteration P3HT; PCBM, [6,6]-phenyl-C61-butyric acid methyl ester; SD-P3HT, side-chain deuteration P3HT.
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