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913251

Sigma-Aldrich

Y7

≥99%

Synonyme(s) :

BTP-4Cl

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About This Item

Formule empirique (notation de Hill):
C82H86Cl4N8O2S5
Poids moléculaire :
1517.75
Code UNSPSC :
12352101
Nomenclature NACRES :
NA.23

Niveau de qualité

100

Pureté

≥99%

Forme

solid

Couleur

dark

Énergie orbitale

HOMO -5.68 eV 
LUMO -3.63 eV 

Description générale

Synonym: 2,2′-((2Z,2′Z)-((12,13-bis(2-ethylhexyl)-3,9-diundecyl-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-dichloro-3-oxo-2,3-dihydro-1H-indene-2,1-diylidene))dimalononitrile

Application

BTP-4Cl is a high performance, low bandgap, non-fullerene accpetor (NFA). It is the chlorinated derivative of the fused benzothiadiazole-based NFA, Y6. It offer high power conversion efficiency (PCE) when pairing with p-type polymer PM6. A 9 mm2 single junction device of this blend provided a PCE of 16.5% at thickness of ~ 100nm, and provided a PCE of >13% at a thickness of ~300 nm (for the active layer). An impressive PCE of >15% was reached for this blend with a 1 cm2 active layer. In general, Y7 showed improved performances over Y6, mainly due to its highest photoluminescence, lower non-radiative energy loss, and a higher Voc of 0.867 V vs 0.834 V for Y6.
Y7 is a highly conjugated organic semiconductor, electron deficient due to its structure and hence suitable for use as a n-type non-fullerene electron acceptor(NFA) in OPV devices. It has an absorption range that extends to the near infrared (NIR) and has demonstrated a power conversion efficiency (PCE) up to15.7% with PBDB-T-2F (PM6) as the polymer donor.

Code de la classe de stockage

11 - Combustible Solids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

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Yong Cui et al.
Nature communications, 10(1), 2515-2515 (2019-06-09)
Broadening the optical absorption of organic photovoltaic (OPV) materials by enhancing the intramolecular push-pull effect is a general and effective method to improve the power conversion efficiencies of OPV cells. However, in terms of the electron acceptors, the most common

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Organic electronics utilizes organic conductors and semiconductors for applications in organic photovoltaics, organic light-emitting diodes, and organic field-effect transistors.

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Organic electronics utilizes organic conductors and semiconductors for applications in organic photovoltaics, organic light-emitting diodes, and organic field-effect transistors.

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