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ossila材料SPPO1

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产品名称: ossila材料SPPO1
产品型号: 1125547-88-7
产品展商: Ossila
产品文档:
 MSDS sppo1

简单介绍


ossila材料SPPO1  的详细介绍

SPPO1, 9,9-Spirobifluoren-2-yl-diphenyl-phosphine oxide has a spirobifluorene structure with an electron deficient polar diphenyl-phosphine oxide moiety attached. The polarity in the P=O double bond can lead to a high triplet energy state, which is highly desirable in host materials for an efficient host-to guest energy transfer in an OLED.

SPPO1 can either be used as blue phosphorescent host or, due to its electron deficient nature, in OLED devices as an electron transport/hole blocking layer material. As a phosphorescent host, SPPO1 based blue PHOLEDs show much higher quantum efficiency than the well-known mCP based blue PHOLEDs.

General Information


CAS number 1125547-88-7
Chemical formula C37H25OP
Molecular weight 516.57 g/mol
Absorption λmax 317 nm (dichloromethane)
Photoluminescence λem 347 nm (dichloromethane)
HOMO/LUMO HOMO = 6.5 eV, LUMO = 2.8 eV; ET = 2.8 eV [1]
Chemical name 9,9-Spirobifluoren-2-yl-diphenyl-phosphine oxide
Synonyms 2-diphenylphosphine oxide-9,9'-spirobifluorene
Classification / Family Phosphine oxide derivatives, Phosphorescent host materials, Electron transport materials, Hole blocking layer materials, Sublimed materials, Semiconducting small molecules

Product Details


Purity Sublimed >99.0% (HPLC)
Melting point Tg= 96°C (lit.)
Appearance White powder/crystals

*Sublimation is a technique used to obtain ultra pure-grade chemicals. For more details about sublimation, please refer to the sublimed materials.

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