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英國Ossila材料PolyTPD CAS:472960-35-3
英國Ossila材料PolyTPD CAS:472960-35-3
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供應(yīng)數(shù)量：
 3279
發(fā)布日期：
 2025/3/23
有效日期：
 2025/9/23
原 產(chǎn) 地：
 英國
已獲點擊：
 3279
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只用于動物實驗研究等

General Information

CAS number472960-35-3
Chemical formula(C22H21N)n
Molecular weight

M521: Mw = 100,000-150,000 (High Mw over 100 KDa)

M522: Mw = 44,797, Mn = 25,374 (PDI = 1.77)

HOMO / LUMOHOMO 5.2 eV      LUMO 2.3 eV [1]
Recommended solventsToluene, THF, Chlorobenzene
Synonyms

Poly[N,N’-bis(4-butylphenyl)-N,N’-bisphenylbenzidine]

Poly(4-butylphenyldiphenylamine), polytpd

    Classification / Family

    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.

     

     

    Chemical Structure

     

    chemical structure of poytpdChemical structure of PolyTPD, CAS No. 472960-35-3

    英國Ossila材料PolyTPD CAS:472960-35-3

    Applications

    Poly(N,N'-bis-4-butylphenyl-N,N'-bisphenyl)benzidine, also known as polyTPD, is an excellent  hole transport layer material used in photovoltaics such as perovskite solar cells. It has also proven polyTPD is a promising candidate HTL in multilayer WPLEDs because its HOMO level 5.2 eV is very close to the work function of the indium tin oxide ITO/poly3,4-ethylenedioxythiophene:polystyrenesulfonate PEDOT:PSS anode.

    As the highest occupied molecular orbital (HOMO) of polyTPD matches well with the VB of the perovskite, which allows for a good transport of holes towards the polyTPD, it is a popular semiconducting material candidate that is used in the HTL of the perovskite structures. And also as the LUMO of polyTPD is significantly closer to vacuum compared with that of the perovskite CB, polyTPD efficiently blocks the flow of electrons [5].

    Like PTAA, polyTPD is one of the family members of poly(triaryl)amines.

    英國Ossila材料PolyTPD CAS:472960-35-3

     

    Device structureITO/PEDOT/PVK:polyTPD (1:1 wt%) 50 nm/PFO:MEH-PPV*(95.5:0.5 wt%) 70 nm/Ca/Al [4]                 
    ColorWhite  white
    Max. Luminance~ 5,000 cd/m2
    Max. Current Efficiency3.15 cd/A

    Device structureITO/P(VDF-TrFE-CFE) (1000 nm)/poly-TPD:F4TCNQ (7%, 70 nm)/ PVK:OXD-7:Ir(ppy)3 (150 nm)/TmPyPB (40 nm)/LiF (1 nm)/Al (150 nm) [7]
    ColorGreengreen
    Max. Luminance13,800 cd/m2
    Max. Current Efficiency76.2 cd/A
    Max. Power Efficiency17.1 lm W−1

     

    Device structureITO/PEDOT (30 nm)/poly-TPD(40 nm)/ DNA-CTMA*(20 nm)/ PFO:MEH-PPV (70 nm)/Cs2CO3(1 – 2 nm)/Al [2]
    ColorWhite  white
    Max. Luminance10,500 cd/m2
    Max. Current Efficiency10 cd/A

    *For chemical structure informations please refer to the cited references

     

    Device structure

    ITO/polyTPD/CH3NH3PbI3/

    PCBM/C60/BCP/Ag [6]

    ITO/PDOT:PSS/CH3NH3PbI3/

    PCBM/C60/BCP/Ag [6]

    Jsc (mA cm-2)22.011.3
    Voc (V)1.0 (1.1a)0.79
    FF (%)69.762.7
    PCE (best)15.35.58

    PolyTPD as a HTL to compare with PDOT:PSS a) 1.0 V in the supporting information and 1.1 V in the body txt of the cited lit. [6]

     

    Literature and Reviews

    1. Bright, multicoloured light-emitting diodes based on quantum dots, Q. Sun et al., Nat. Photonics, 1, 717 - 722 (2007); doi:10.1038/nphoton.2007.226.
    2. Multilayer white polymer light-emitting diodes with deoxyribonucleic acid-cetyltrimetylammonium complex as a hole-transporting/electronblocking layer, Q. Sun et al., Appl. Phys. Lett., 92, 251108 (2008); doi: 10.1063/1.2948864.
    3. Electro-optics of perovskite solar cells, Q. Lin et al., Nat. Photonics, 9, 106–112 (2015); doi:10.1038/nphoton.2014.284.
    4. Enhanced performance of white polymer light-emitting diodes using polymer blends as hole-transporting layers, Q. Sun et al., Appl. Phys. Lett., 89, 153501 (2006); http://dx.doi.org/10.1063/1.2360248.
    5. Perovskite solar cells employing organic charge-transport layers, O. Malinkiewicz et al., Nat. Photonics 8, 128–132 (2014); doi:10.1038/nphoton.2013.341.
    6. High-Efficiency Solution-Processed Planar Perovskite Solar Cells with a Polymer Hole Transport Layer, D. Zhao et al., Adv. Energy Mater., 5, 1401855 (2015); DOI: 10.1002/aenm.201401855.
    7. Solution-Processed Highly Efficient Alternating CurrentDriven Field-Induced Polymer Electroluminescent Devices Employing High- k Relaxor Ferroelectric Polymer Dielectric, Y. Chen et al., Adv. Funct. Mater., 24, 1501–1508 (2014); DOI: 10.1002/adfm.201302587.
    8. Pure Formamidinium-Based Perovskite Light-Emitting Diodes with High Efficiency and Low Driving Voltage, L. Meng et al., Adv. Mater., 29, 1603826 (2017); DOI: 10.1002/adma.201603826.


     
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