Poly(N,N'-bis-4-butylphenyl-N,N'-bisphenyl)benzidine, also known as Poly-TPD, is an exceptional hole transport layer material utilized in the field of photovoltaics, particularly in perovskite solar cells. It has demonstrated promising properties as a hole transport layer (HTL) in multilayer white phosphorescent light-emitting diodes (WPLEDs) due to its high-occupied molecular orbital (HOMO) level of 5.2 eV, which is closely aligned with the work function of the indium tin oxide (ITO) anode.
472960-35-3
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Basic information
- Product Name: Poly-TPD , Poly[N,N'-bis(4-butylphenyl)-N,N'-bis(phenyl)-benzi
- Synonyms: Poly-TPD , Poly[N,N'-bis(4-butylphenyl)-N,N'-bis(phenyl)-benzi;Poly[bis(4-phenyl)(4-butylphenyl)aMine];Poly[N,N'-bis(4-butylphenyl)-N,N'-bis(phenyl)-benzi;4-Butyl-N,N-diphenylaniline homopolymer;Benzenamine, 4-butyl-N,N-diphenyl-, homopolymer;Poly(4-butylphenyl-diphenylamine);Poly-TPD, average MW: 20,000 - 35,000
- CAS NO:472960-35-3
- Molecular Formula: C22H23N
- Molecular Weight: 301.42472
- EINECS: N/A
- Product Categories: N/A
- Mol File: 472960-35-3.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: /
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: 15-25°C
- Solubility: N/A
- CAS DataBase Reference: Poly-TPD , Poly[N,N'-bis(4-butylphenyl)-N,N'-bis(phenyl)-benzi(CAS DataBase Reference)
- NIST Chemistry Reference: Poly-TPD , Poly[N,N'-bis(4-butylphenyl)-N,N'-bis(phenyl)-benzi(472960-35-3)
- EPA Substance Registry System: Poly-TPD , Poly[N,N'-bis(4-butylphenyl)-N,N'-bis(phenyl)-benzi(472960-35-3)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 472960-35-3(Hazardous Substances Data)
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472960-35-3 Usage
Uses
1. Used in Photovoltaic Applications:Poly-TPD is employed as a hole transport layer in perovskite solar cells, enhancing the transport of holes towards the polyTPD and efficiently blocking the flow of electrons due to its well-matched HOMO level with the valence band (VB) of the perovskite.
2. Used in Quantum-Dot Light-Emitting Diodes (QD-LEDs):
In a recent study, Poly-TPD was used in the design of an effective interconnecting layer, which contributed to achieving high quantum efficiency and current efficiency in double-junction QD-LEDs. The interface engineering and the use of Poly-TPD improved carriers' transport/injection balance and suppressed exciton quenching induced by ZnO.
3. Used in Indoor Photovoltaics:
Poly-TPD serves as a hole transport layer in inverted perovskite photovoltaic (iPPV) cells, significantly improving the maximum power density under indoor light conditions. This application makes it a sustainable and reliable energy source for low power consumption electronics, such as those used in the rapidly growing Internet of Things.
4. Used in Multilayer White Phosphorescent Light-Emitting Diodes (WPLEDs):
Poly-TPD is a promising candidate as a hole transport layer in multilayer WPLEDs due to its HOMO level being very close to the work function of the ITO/PEDOT:PSS anode, which allows for efficient hole transport and improved device performance.
Classification
Poly(triarylamines) Organic semiconducting materials, Hole transport layer materials (HTL), Electron block layer material (EBL). Organic Photovoltaics, Polymer Solar Cells, Light-emitting Diodes, Quantun Dot Light-emitting Diodes, OFETs and Perovskite hole transport layer materials.Check Digit Verification of cas no
The CAS Registry Mumber 472960-35-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,2,9,6 and 0 respectively; the second part has 2 digits, 3 and 5 respectively.Calculate Digit Verification of CAS Registry Number 472960-35:
(8*4)+(7*7)+(6*2)+(5*9)+(4*6)+(3*0)+(2*3)+(1*5)=173
173 % 10 = 3
So 472960-35-3 is a valid CAS Registry Number.
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Poly-TPD , Poly[N,N'-bis(4-butylphenyl)-N,N'-bis(phenyl)-benzi
