Materials, OFET & OLED Polymer Materials, OPV Polymers, Perovskite Interface Materials, Perovskite M
PSBTBT (CAS number 1089687-02-4), also known as Si-PCPDTBT, is a low band-gap polymer semiconductor that has a large absorption band in the visible light spectrum. It also extends its absorption to near-IR region.
PSBTBT is semi-crystalline with a shorter π-π stacking distance due to its significantly longer C-Si bond. This reduces the steric hindrance between the bulky side chains and adjacent thiophene rings.
| Full name | Poly[(4,4‐bis(2‐ethylhexyl)‐dithieno[3,2‐b:2′,3′‐d]silole)‐2,6‐diyl‐alt‐(2,1,3‐benzothiadiazole)‐4,7‐diyl] |
| Synonyms | Si-PCPDTBT |
| CAS number | 1089687-02-4 |
| Chemical formula | (C30H38N2S3Si)n |
| Molecular weight | See Batch Details table above |
| HOMO / LUMO | HOMO = - 5.0 eV, LUMO = - 3.5 eV [1] |
| Solubility | Chloroform, chlorobenzene, dichlorobenzene |
| Classification / Family | Dithienosilole, Organic semiconducting materials, Low band gap polymers, Organic photovoltaics, All-polymer solar cells, OFETs, Photodetectors |
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