BTP48C11-2CHO
[CAS# 2389125-24-8]

Identification

• Classification: Flavors and spices >> Synthetic spice >> Lactone and oxygen-containing heterocyclic compound >> Thiazole, thiophene and pyridine
• Name: BTP48C11-2CHO
• Synonyms: 12,13-Bis(2-butyloctyl)-3,9-diundecyl-12,13-dihydro-[1,2,5]thiadiazolo[3,4-e]thieno[2'',3'':4',5']thieno[2',3':4,5]pyrrolo[3,2-g]thieno[2',3':4,5]thieno[3,2-b]indole-2,10-dicarbaldehyde; 3,27-bis(2-butyloctyl)-8,22-di(undecyl)-6,10,15,20,24-pentathia-3,14,16,27-tetrazaoctacyclo[16.9.0.02,12.04,11.05,9.013,17.019,26.021,25]heptacosa-1(18),2(12),4(11),5(9),7,13,16,19(26),21(25),22-decaene-7,23-dicarbaldehyde
• Molecular Formula: C₆₆H₉₈N₄O₂S₅
• Molecular Weight: 1139.83
• CAS Registry Number: 2389125-24-8
• SMILES: CCCCCCCCCCCC1=C(SC2=C1SC3=C2N(C4=C3C5=NSN=C5C6=C4N(C7=C6SC8=C7SC(=C8CCCCCCCCCCC)C=O)CC(CCCC)CCCCCC)CC(CCCC)CCCCCC)C=O

Discovory and Applicatios

BTP48C11-2CHO is a novel non-fullerene acceptor (NFA) material developed for organic photovoltaics (OPVs), designed to enhance the efficiency and stability of solar cells. As part of the ongoing advancements in organic solar cell technology, BTP48C11-2CHO has gained attention due to its excellent optoelectronic properties and its ability to overcome the limitations of traditional fullerene-based acceptors. The material is a member of a class of molecules that can improve the performance of OPVs, which are increasingly considered for their potential as sustainable, low-cost energy sources.

The structure of BTP48C11-2CHO features a fused-ring architecture that incorporates electron-deficient units and a bulky side chain. This design not only enhances the light absorption properties of the material but also optimizes its energy levels, making it ideal for use as an electron acceptor in bulk heterojunction (BHJ) organic solar cells. The introduction of an aldehyde group (–CHO) at one end of the molecule further increases its solubility and compatibility with various donor polymers, allowing for the formation of stable blends that are crucial for high-performance OPVs.

The discovery of BTP48C11-2CHO is significant in the context of the push for greater efficiency in organic solar cells. Traditional fullerene acceptors, although widely used, have limitations in terms of absorption range and charge transport. Non-fullerene acceptors like BTP48C11-2CHO are being explored as alternatives due to their superior properties, such as broader absorption spectra, enhanced charge mobility, and improved device stability. The aldehyde group in BTP48C11-2CHO, in particular, plays a crucial role in boosting the interaction with donor materials, contributing to a more efficient charge transfer process within the device.

Studies have shown that BTP48C11-2CHO, when paired with optimized donor polymers, can achieve power conversion efficiencies (PCEs) approaching or exceeding 18%, making it competitive with traditional fullerene-based OPVs. This high efficiency, combined with the material’s thermal and photostability, positions BTP48C11-2CHO as a promising candidate for commercial applications in the field of organic electronics. Furthermore, the material’s ability to be processed using solution-based techniques such as spin-coating makes it suitable for large-scale production, which is a key consideration for commercial viability.

The applications of BTP48C11-2CHO extend beyond organic photovoltaics, with potential uses in other optoelectronic devices, such as organic light-emitting diodes (OLEDs) and organic field-effect transistors (OFETs). The material’s favorable charge transport properties, combined with its ability to form stable films, make it an attractive option for these types of devices, offering further opportunities for innovation in organic electronics.

In summary, BTP48C11-2CHO represents a major step forward in the development of high-performance, solution-processable materials for organic solar cells. Its efficient charge transport, broad absorption spectrum, and stability under operating conditions make it an important material for advancing organic photovoltaics and other organic electronic devices. As research continues, BTP48C11-2CHO and similar non-fullerene acceptors are expected to play a pivotal role in driving the future of sustainable energy solutions and flexible electronics.