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钙钛矿材料 ITIC (n-type acceptor)

简要描述:ITIC represents the start of a new generation of electron-accepting small molecules for organic photovoltaic (OPV) applications.

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  • 厂商性质:生产厂家
  • 更新时间:2018-07-05
  • 访  问  量:205

详细介绍

价格

Batch

Quantity

Price

M1002

100 mg

6245.40

M1002

250 mg

10885.29

M1002

500 mg

18302.70

M1002

1g

30825.60

 

General Information

Purity

≥99.0% (1H NMR)

Full name

3,9-bis(2-methylene-(3-(1,1-dicyanomethylene)-indanone))-5,5,11,11-tetrakis(4-hexylphenyl)-dithieno[2,3-d:2’,3’-d’]-s-indace,2-b:5,6-b’]dithiophene

Synonyms

ITIC

CAS number

1664293-06-4

Chemical formula

C94H82N4O2S4

Molecular weight

1427.94

HOMO/LUMO

HOMO = -5.48 eV, LUMO = -3.83 eV [1]

Classification/Family

Non-fullerene acceptors (NFAs), Organic semiconducting materials, Low band gap small molecule, Small molecular acceptors (SMAs), Organic Photovoltaics, Polymer solar cells, NF-PSCs.

 

Chemical structure of ITIC; CAS No. 664293-06-4; Chemical formula: C94H82N4O2S4.

 

Applications

ITIC represents the start of a new generation of electron-accepting small molecules for organic photovoltaic (OPV) applications. The energy levels of ITIC allow for good alignment with low band-gap polymers, resulting in enhanced charge separation efficiency and reduced energy loss. ITIC also has strong and broad absorption characteristics, from visible to near infrared and peaking at 700 nm, giving it the potential to increase the total absorption of an OPV device.

These properties have enabled ITIC to be the first small molecule to outperform fullerenes as the electron acceptor in an OPV device. When used in conjunction with PBDB-T (PCE12), a power conversion efficiency (PCE) of over 11% was achieved, compared to less than 8% when PC70BM was used as the electron acceptor. Additionally, ITIC proved to have excellent thermal stability, with devices showing no losses after being held at 100 °C for 250 hours [1].

 

 

Characterisation (1H NMR)

1H NMR spectrum of ITIC in CDCl3

 

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