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| Product Name: | PffBT4T-2OD | | Synonyms: | PffBT4T-2OD;Poly[(5,6-difluoro-2,1,3-benzothiadiazole-4,7-diyl)[3,3'''-bis(2-octyldodecyl)[2,2':5',2'':5'',2'''-quaterthiophene]-5,5'''-diyl]];P1140;OS0624 /OS0524;PFFBT4T-2OD; OS0624 /OS0524;5'',2'''-quaterthiophen-5,5'''-diyl)];PffBT4T-2OD, Poly[(5,6-difluoro-2,1,3-benzothiadiazol-4,7-diyl)-alt-(3,3'''-di(2-octyldodecyl)-2,2';PCE11 | | CAS: | 1644164-62-4 | | MF: | (C62H88F2N2S5)n | | MW: | 0 | | EINECS: | | Product Categories: | | Mol File: | Mol File |
| PffBT4T-2OD Chemical Properties |
| form | powder | | solubility | Dichlorobenzene or Chlorobenzene+dichlorobenzene (1:1 v/v) at elevated temperature ca. 110?°C |
| PffBT4T-2OD Usage And Synthesis |
| Classification | Benzothiadiazole, Fluorinated benzothiadiazole, Heterocyclic five-membered ring, Organic semiconducting materials, Low band gap polymers, Organic Photovoltaics, Polymer Solar Cells.
| | Applications | PffBT4T-2OD (PCE11) is a low band-gap (1.65 eV) semiconducting polymer for organic photovoltaics (OPVs), which has reached power conversion efficiencies (PCEs) approaching 11% [1]. These efficiencies are a result of the high crystallinity of the polymer, providing excellent hole transport mobilities on the order of 10-2 cm2V-1s-1, and the ability to use a thick active layer, resulting in improved light absorption.
The size and position of the alkyl chains of PffBT4T-2OD are critical to its temperature dependant aggregation properties, enabling control over the aggregation and crystallisation of the polymer to produce an efficient donor:acceptor film morphology.
Polymer PCE11 was targeted by reacting 4,7-bis(5-bromo-4-(2-octyldodecyl)thiophen-2-yl)-5,6-difluorobenzo[c][1,2,5]-thiadiazole with 2,5-bis(trimethylstannyl)thieno[3,2-b]thiophene engaging Stille Coupling reaction.
PCE11 (PffBT4T-2OD) synthesis with 4,7-bis(5-bromo-4-(2-octyldodecyl)thiophen-2-yl)-5,6-difluorobenzo[c][1,2,5]-thiadiazole with 2,5-bis(trimethylstannyl)thieno[3,2-b]thiophene as starting materials engaging Stille Coupling reaction.
| | Description | PffBT4T-2OD (PCE11) is a low band-gap (1.65 eV) semiconducting polymer for organic photovoltaics (OPVs), which has reached power conversion efficiencies (PCEs) approaching 11% . These efficiencies are a result of the high crystallinity of the polymer, providing excellent hole transport mobilities on the order of 10-2 cm2V-1s-1, and the ability to use a thick active layer, resulting in improved light absorption. | | Uses | Requires hot ink processing (i.e. coating with ink at temperature 100-110 °C to ensure good coatability). |
| PffBT4T-2OD Preparation Products And Raw materials |
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