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Ossila材料PDPP4T OVP材料DPP-4T CAS:1267540-03-3 Ossila

產(chǎn)品簡介:Ossila材料PDPP4T OVP材料DPP-4T CAS:1267540-03-3 Ossila代理
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Batch Details

BatchMwMnPDIStock Info
M33189,70048,9501.83Low in stock
M332171,13876,2262.45In stock

 Ossila材料PDPP4T OVP材料DPP-4T CAS:1267540-03-3 Ossila代理

General Information

 

Full namePoly[2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione -3,6-diyl)-alt-(2,2’;5’,2’’;5’’,2’’’-quaterthiophen-5,5’’’-diyl)]
Synonyms
  • DPP-4T
  • DPP4T
  • pDPP
  • PDQT
CAS number1267540-03-3
Chemical formula(C62H90N2O2S4)n
Molecular weightSee Batch Details table above
HOMO / LUMOHOMO = -5.2 eV, LUMO = -4.0 eV [7]
Classification / FamilyQuaterthiophene, Heterocyclic five-membered ring, Organic semiconducting materials, Low band gap polymers, Organic photovoltaics, Polymer solar cells, OFETs

Applications

PDPP4T, also known as DPP4T, Poly[2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione -3,6-diyl)-alt-(2,2’;5’,2’’;5’’,2’’’-quaterthiophen-5,5’’’-diyl)] is a promising class of semiconducting polymers for organic solar cells. This is due to its small optical band gap and high charge-carrier mobility.

DPP4T has one DPP unit as electron-withdrawing and four five-membered thiophene as electron-rich units in its backbone, resulting a low-band gap polymer semiconductor with planar structure. The alkyl chain attached to DPP unit not only serves as a high-solubilising group, but also has a tendency to crystallise to ensure a better packing film. Due to its electron-rich and planar structure with the capacity of forming well-packed films, DPP4T has been reported exhibiting a hole mobility greater than 1 cmV-1 s-1 [8] in top-contact bottom-gate devices.

By using a solvent swelling assisted sequential deposition (SSA-SD) method to produce bulk heterojunction PSCs based on a crystalline diketopyrrolopyrrole (DPP) polymer and PC71BM, Device performance PCE of7.59% with a VOC of 0.61 V, JSC of 17.95 mA/cm2 , and FF of 69.6%, is reported with PC71BM as electron acceptor [1]. Also by adding polymers like DPP-DTT with high mobility, device performance with higher PCE should be expected [5].

 Ossila材料PDPP4T OVP材料DPP-4T CAS:1267540-03-3 Ossila代理

Synthetic Route

DPP4T was synthesised by using  3,6-bis(5-bromothiophen-2-yl)-2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione and 5,5'-bis(trimethylstannyl)-2,2'-bithiophene as starting materials via Stille Coupling polymerisation in chlorobenzene. Targeted polymer was purified using Soxhlet extraction with methanol, acetone, hexane and finally chlorobenzene as washing and extracting solvents.

PDPP4T synthesisPDPP4T synthesis via a Stille Coupling reaction with 3,6-bis(5-bromothiophen-2-yl)-2,5-bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4(2H,5H)-dione and 5,5-bis(trimethylstannyl)-2,2-bithiophene as starting materials.

 

Literature and Reviews

    1. Sequential Deposition: Optimization of Solvent Swelling for High-Performance Polymer Solar Cells, Y. Liu et al., ACS Appl. Mater. Interfaces, 7, 653-661 (2015)
    2. Copolymers of diketopyrrolopyrrole and thienothiophene for photovoltaic cells, J.C. Bijleveld et al., J. Mater. Chem., 21, 9224-9231 (2011)
    3. Diketopyrrolopyrrole-Based π?Conjugated Copolymer Containing β?Unsubstituted Quintetthiophene Unit: A Promising Material Exhibiting High Hole-Mobility for Organic Thin-Film Transistors, Z. Yi et al., Chem. Mater., 24, 4350-4356 (2012)
    4. Universal Correlation between Fibril Width and Quantum Efficiency in Diketopyrrolopyrrole-Based Polymer Solar Cells, W. Li, J. Am. Chem. Soc., 135, 18942−18948 (2013).
    5. Enhanced efficiency of polymer solar cells by adding a high-mobility conjugated polymer, S. Liu et al., Energy Environ. Sci., 8, 1463-1470 (2015).
    6. Efficient Polymer Solar Cells Based on a Low Bandgap Semi-crystalline DPP Polymer-PCBM Blends, F. Liu et al, Adv. Mater., 24, 3947–3951 (2012).
    7. Annealing-Free High-Mobility Diketopyrrolopyrrole−Quaterthiophene Copolymer for Solution-Processed Organic Thin Film Transistors, Y. Li et al., J. Am. Chem. Soc., 133, 2198–2204 (2011)
    8. 2,5-Bis(2-octyldodecyl)pyrrolo[3,4-c]pyrrole-1,4-(2H,5H)-dione-Based DonorAcceptor Alternating Copolymer Bearing 5,5’-Di (thiophen-2-yl)-2,20 -biselenophene Exhibiting 1.5 cm2V-1s-1Hole Mobility in Thin-Film Transistors,  J. S. Ha et al., J. Am. Chem. Soc. 133, 10364–10367 (2011).
    9. Over 11% Ef? ciency in Tandem Polymer Solar Cells Featured by a Low-Band-Gap Polymer with Fine-Tuned Properties, Z. Zheng et al., adv. Mater., 28, 5133–5138 (2016); DOI: 10.1002/adma.201600373.

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