| Identification | Back Directory | [Name]
Poly[bis(4-phenyl)(2,4,6-triMethylphenyl)aMine] | [CAS]
1333317-99-9 | [Synonyms]
PTAA
PTAA a poly(triaryl amine) semiconductor
Poly[bis(4-phenyl)(2,4,6-triMethylphenyl)aMine]
Poly[[(2,4,6-trimethylphenyl)imino][1,1'-biphenyl]-4,4'-diyl]
Poly[bis(4-phenyl)(2,4,6-triMethylphenyl)aMine] a poly(triaryl aMine) seMiconductor | [EINECS(EC#)]
218-362-5 | [Molecular Formula]
(C21H19N)n | [MOL File]
1333317-99-9.mol |
| Chemical Properties | Back Directory | [Melting point ]
>400 °C | [solubility ]
chlorobenzene: soluble
chloroform: soluble
toluene: soluble | [form ]
solid | [semiconductor properties]
P-type (mobility=10-3 - 10-2cm2/V·s) | [λmax]
388 nm±5 nm in dichloromethane | [Major Application]
battery manufacturing
semiconductor |
| Hazard Information | Back Directory | [Description]
Poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine (PTAA), one of the family members of poly(triaryl)amine, is an excellent hole-transporting and electron-blocking semiconducting material due to its electron-rich components. It has been reported that the use of PTAA can?substantially improve the open-circuit voltage (VOC) and fill factor (FF) of the cells. Perovskite solar cells based on the use of the hole-transporting materials?exhibit a short-circuit current density JSC of 16.5 mA/cm2,?VOC of 0.997 V and FF?of 0.727. | [Uses]
PTAA can be coated as a substrate material which is used for the transportation of hole in the fabrication of many devices like perovskite solar cells, polymeric light emitting diodes and organic field effect transistors. | [General Description]
PTAA, poly(triaryl amine), semiconductor is an organic p-type semiconductor with hole mobilities of 10?3?up to 10?2?cm2?V?1?s?1 which results in a high carrier mobility. It is a stable glassy polymer and has good ionization potential for thick film diodes. |
| Questions And Answer | Back Directory | [Classification]
Polyamines, Hole-transport layer materials, Electron-blocking layer materials, Organic semiconducting materials, Organic photovoltaics, Polymer solar cells, OLED materials.
| [Applications]
Poly[bis(4-phenyl)(2,4,6-trimethylphenyl)amine (PTAA), one of the family members of poly(triaryl)amine, is an excellent hole-transporting and electron-blocking semiconducting material due to its electron-rich components. It has been reported that the use of PTAA can substantially improve the open-circuit voltage (VOC) and fill factor (FF) of the cells. Perovskite solar cells based on the use of the hole-transporting materials exhibit a short-circuit current density JSC of 16.5 mA/cm2, VOC of 0.997 V and FF of 0.727.
With PTAA as the hole-transport layer (HTL), best results have shown that the incorporation of MAPbBr3 into FAPbI3 stabilizes the perovskite phase of FAPbI3, improving the power conversion efficiency of the solar cell to more than 18% under a standard illumination of 100 milliwatts/cm2 [2]. This makes PTAA the best polymer HTL yet for perovskites. Later on, 20.2% was achieved in 2015 with PTAA as the HTL.
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Sigma-Aldrich
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3A Chemicals
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