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ossila材料L8-BO

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产品名称: ossila材料L8-BO
产品型号: 2668341-40-8
产品展商: Ossila
产品文档:
 MSDS l8-bo

简单介绍


ossila材料L8-BO  的详细介绍

L8-BO (CAS number 2668341-40-8) has a similar structure to the highly efficient Y6 non-fullerene acceptor with a fused thienothienopyrrolo-thienothienoindole (TTP-TTI) core. The only difference between L8-BO and Y6 is that L8-BO has two butyloctyl side chains attached to the core while Y6 has two undecyl side chains. The branched 2-butyloctyl side chains show great improvement in film while comparing with Y6 with better structural order to achieve an optimized, multi-length-scale film morphology. High carrier generation, low charge recombination rates and balanced charge transport can be expected.

It has been reported that single-junction non-fullerene polymer solar cells with L8-BO as the acceptor and PBDB-T-2F (PM6) as the polymer has achieved photo conversion efficiency (PCE) over 18% with the following device structure.

Device structure: ITO/PEDOT:PSS/PM6:L8-BO (1:1.2)/PNDIT-F3N/Ag

Thickness (nm) VOC (V) JSC (mA cm-2) FF (%) PCE (%)
100 0.874 25.72 81.5 18.32

General Information


CAS Number 2668341-40-8
Chemical Formula C84H90F4N8O2S5
Purity >99% (1H NMR)
Full Name 2,2'-((2Z,2'Z)-((12,13-bis(2-ethylhexyl)-3,9-(2-butyloctyl)-12,13-dihydro-[1,2,5]thiadiazolo[3,4-e]thieno[2",3’':4’,5']thieno[2',3':4,5]pyrrolo[3,2-g]thieno[2',3':4,5]thieno[3,2-b]indole-2,10-diyl)bis(methanylylidene))bis(5,6-difluoro-3-oxo-2,3-dihydro-1H-indene-2,1-diylidene))dimalononitrile
Molecular Weight 1479.98 g/mol
HOMO / LUMO HOMO = -5.68 eV, LUMO = -3.90 eV [1]
Solubility Chloroform, chlorobenzene and dichlorobenzene
Form Dark blue powder/crystal
Synonyms L8BO, L8-BO-2F
Classification / Family BTP series NFAs, n-type non-fullerene electron acceptors, Organic semiconducting materials, Low band-gap small molecule, Small molecular acceptor, Organic photovoltaics, Polymer solar cells, NF-PSCs.


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