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Name: PBDB-T-2F (PM6)

Synonyms: 

笔辞濒测摆(2,6-(4,8-产颈蝉(5-(2-别迟丑测濒丑别虫测濒-3-蹿濒耻辞谤辞)迟丑颈辞辫丑别苍-2-测濒)-产别苍锄辞摆1,2-产:4,5-产’闭诲颈迟丑颈辞辫丑别苍别))-补濒迟-(5,5-(1’,3’-诲颈-2-迟丑颈别苍测濒-5’,7’-产颈蝉(2-别迟丑测濒丑别虫测濒)产别苍锄辞摆1’,2’-肠:4’,5’-肠’闭诲颈迟丑颈辞辫丑别苍别-4,8-诲颈辞苍别)闭；

Poly[[4,8-bis[5-(2-ethylhexyl)-4-fluoro-2-thienyl]benzo-[1,2-b:4,5-b']dithiophene-2,6-diyl]-2,5-thiophenediyl-[5,7-bis(2-ethylhexyl)-4,8-dioxo-4H,8H-benzo[1,2-c:4,5-c']- dithiophene-1,3-diyl]-2,5-thiophenediyl];

笔叠顿叠-罢-贵；

笔叠顿叠-罢贵；

PM6.

CAS No.: 1802013-83-7 EINECS: N/A MF: (C68H76F2O2S8)n MW: > 50,000 (GPC)   Bandgap energy: 1.85 ± 0.02 eV HOMO = -5.45 eV, LUMO = -3.65 eV UV: 614nm (in CHCl3) Purity: 97% Min. Appearance: Black Flake or threadlike Application: OLED/OFET/OPV Materials

Storage Condition: Store in a cool, dry place. Keep the container closed when not in use.

Solubility: Chloroform, chlorobenzene and dichlorobenzene (solution processing solvent chlorobenzene or dichlorobenzene)

PBDB-T-2F is a PBDB-T family member and, like others, has a high OPV device performance. Polymer solar cells with PBDB-T-2F as the donor and ITIC-2F as the acceptor have achieved a power conversion efficiency (PCE) of over 13%.

PM6 is the fluorinated derivative of the PBDB-T. Also, call the PBDB-T-2F, the PM6 exhibited a strong crystallinity and mainly possess a face-on packing, which is beneficial in OPV. Compare to PBDB-T, the HOMO level of PM6 is 0.22 eV lower, (-5.45 eV compare to -5.23 eV for PBDB-T) increasing the Voc in OPV.

PM6 is used in high-performance organic solar cells (PCE > 16%), mainly in conjunction with non-fullerene acceptors, such as the Y family as well as ITIC and its derivatives. [2,3]

When WS2 is used as the hole transport layer (to replace PEDOT: PSS), PM6 has also demonstrated PCE up to 13,5% with IT-4F and up to 17% with Y6 [4]

References and literature:

[1] Zhang, M.; Guo, X.; Ma, W.; Ade, H.; Hou, J., Adv.Mater. 2015, 27, 4655

[2] Cui, Y.; Yao, H.; Zhang, J.; Zhang, T.; Wang, Y.; Hong, L.; Xian, K.; Xu, B.; Zhang, S.; Peng, J.; Wei, Z.; Gao, F.; Hou, J., Nature Commun. 2019, 10, 2515

[3] Li, W.; Ye, L.; Li, S.; Yao, H.; Ade, H.; Hou, J.; Adv.Mater. 2018, 30, 1707170

[4] Lin, Y.; Adilbekova B.; Firdaus, Y.; Yengel, E.; Faber, H.; Sajjad, M.; Zhenf, X.; Yarali, E.; Seitkhan, A.; Bakr, O. M.; El-Labban, A.; Schwingenschl?gl, U.; Tung, V.; McCulloch, I.; Laquai, F.; Anthopoulos, T. D. Adv.Mater.. 2019, 31, 1902965

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