Dual-Component SAM

Fewer interfacial defects

Incorporating 3-BPIC-F boosts the interfacial dipole, realigns energy levels, and passivates perovskite defects, markedly suppressing non-radiative recombination in inverted wide-bandgap PSCs.

Kai, Sun · Zheng, Jianzha · Mai, Yaohua · Gao, Jinwei · Ye, Mingfu · Wan, Meixiu · Zhu, Hongbing

ACS Applied Materials & Interfaces 2026

Specifications

Power conversion efficiency (small-area)

{'zh': '23.64', 'en': '23.64'} %

Power conversion efficiency (module)

{'zh': '19.80', 'en': '19.80'} %

Advantages

Fewer defects

3-BPIC-F effectively passivates defects in perovskite layers, suppressing internal nonradiative recombination.

Better energy alignment

3-BPIC-F optimizes energy-level alignment, facilitating selective hole extraction.

Scalable

The strategy is validated at module level, with significantly improved module efficiency, demonstrating scalability.

Applications

• perovskite solar cells：Improve single-junction inverted cell efficiency by reducing nonradiative recombination loss.
• perovskite tandem solar cells：Optimize energy alignment of wide-bandgap subcells to boost tandem device efficiency.
• flexible photovoltaic devices：Low-temperature solution process compatible with flexible substrates for PV fabrication.
• organic-inorganic hybrid optoelectronic materials：Provide interface engineering for hybrid optoelectronic materials to enhance performance.