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The quest for higher efficiency in organic photovoltaics (OPVs) hinges on the performance of key materials, particularly the electron acceptor. Y7, scientifically known as BTP-4Cl, has emerged as a star performer in this domain, consistently enabling high power conversion efficiencies (PCEs). NINGBO INNO PHARMCHEM CO.,LTD. provides this advanced non-fullerene acceptor (NFA) to researchers aiming for the cutting edge in solar energy conversion.
Y7's remarkable performance, with reported PCEs up to 15.7%, stems from its unique molecular design and electronic properties. As a chlorinated analogue of Y6, Y7 benefits from an expanded absorption spectrum that extends into the near-infrared (NIR) region. This broader light harvesting capability is a significant advantage, allowing the solar cell to utilize more of the incident solar radiation. When paired with suitable polymer donors like PBDB-T-2F (PM6), Y7 forms an efficient donor-acceptor blend that optimizes charge generation and transport.
A critical factor contributing to Y7's high PCE is its effect on the device's open-circuit voltage (Voc). Studies indicate that Y7 exhibits higher photoluminescence efficiency compared to Y6, suggesting a reduction in non-radiative energy losses. Lower non-radiative losses directly correlate with higher Voc values. For Y7-based devices, Voc values have been reported around 0.867 V, an improvement over similar devices using Y6. This enhancement is crucial for maximizing the overall power output of the solar cell.
The precise engineering of NFAs like Y7 allows for a more rational design of OPV devices. By understanding the relationship between molecular structure, optical properties, energy levels (HOMO/LUMO), and ultimately, device performance, researchers can develop more efficient and stable solar cells. NINGBO INNO PHARMCHEM CO.,LTD. is dedicated to supplying high-purity Y7 to support these efforts. If your research involves achieving high PCE in organic photovoltaic solar cells, exploring the potential of Y7 (BTP-4Cl) is highly recommended.
For those looking to buy Y7 or other high-performance NFA organic photovoltaic solar cell materials, sourcing from a reliable manufacturer like NINGBO INNO PHARMCHEM CO.,LTD. ensures the quality and consistency needed for reproducible results. Invest in the future of solar energy with Y7 and push the boundaries of OPV performance.
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1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.
