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General information
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Name:
PTB7-Th
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Full name:
Poly[4,8-bis(5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-b;4,5-b']dithiophene-2,6-diyl-alt-(4-(2-ethylhexyl)-3-fluorothieno[3,4-b]thiophene-)-2-carboxylate-2-6-diyl)]
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CAS number:
1469791-66-9
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Chemical formula:
(C49H57FO2S6)n
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Molecular weight:
>145.00 g/mol
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Absorption:
N/A
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Photoluminescence:
N/A
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HOMO/LUMO:
HOMO = 5.2 eV, LUMO = 3.7 eV
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Synonyms:
PCE-10, PBDTT-FTTE
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Classification:
Organic semiconducting materials, Polymer solar cells
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Purity:
>99%
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Melting point:
N/A
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Appearance:
Violet fibrous solid
PTB7-Th: Leading the Charge in Organic Photovoltaic Innovations
The world of organic photovoltaics (OPV) is continually evolving, with materials like PTB7-Th at the forefront of this revolution. Recognized for its potential in enhancing the efficiency and longevity of organic electronic devices, PTB7-Th is a testament to the advancements in the OPV domain.
Understanding PTB7-Th
Poly[4,8-bis(5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-b;4,5-b’]dithiophene-2,6-diyl-alt-(4-(2-ethylhexyl)-3-fluorothieno[3,4-b]thiophene-)-2-carboxylate-2-6-diyl], is commonly referred to as PTB7-Th. It is also known as PCE10 or PBDTTT-EFT. It is a novel photovoltaic polymer designed for enhanced photovoltaic performance. This compound is a derivative of the well-established photovoltaic polymer PTB7, with the notable incorporation of the 2-(2-ethylhexyl)-thienyl group into the BDT unit.It is a conjugated polymer that can find applications in the field of molecular electronics and organic electronics.
Key Features of PTB7-Th
- Lower Optical Bandgap: PTB7-Th has a lower optical bandgap, making it suitable for the absorption of a broader range of solar wavelengths. This property enhances its light-harvesting capabilities in photovoltaic applications.
- High Photovoltaic Efficiency: PTB7-Th demonstrates a high photovoltaic efficiency, with reported values exceeding 9%. This efficiency is critical for its application in organic solar cells, where the ability to convert sunlight into electricity is a primary consideration.
- Improved Stability: Compared to its precursor, PTB7, PTB7-Th is known for its enhanced stability. It can be handled under normal ambient conditions without significant issues. This increased stability is crucial for the long-term performance and reliability of devices incorporating PTB7-Th in various optoelectronic applications.
The Role of PTB7-Th in Advanced Organic Electronics
In summary, PTB7-Th belongs to the new generation of organic photovoltaic (OPV) donor polymers aiming to achieve the ambitious 10/10 goal of 10% efficiency and 10 years of operational lifetime. Its notable feature is enhanced stability, allowing it to be handled under ambient conditions, ensuring long-term reliability in optoelectronic devices.
Conclusion
The trajectory of the organic electronics industry is shaped by innovative materials like PTB7-Th. With its unique molecular structure and multifaceted applications, PTB7-Th is poised to redefine the standards in the OPV and Polymer Solar Cells arenas. As the research landscape expands, the significance of PTB7-Th in the next wave of organic electronic devices becomes increasingly apparent.
