As the core material for the electron transport layer (ETL) in perovskite solar cells, high-purity nano titanium dioxide is a key substrate for next-generation high-efficiency photovoltaic mass production. With excellent energy level alignment, high electron mobility, and a stable porous framework, nano TiO₂ can rapidly extract and transport photogenerated electrons, effectively suppress charge recombination, and significantly enhance the open-circuit voltage and photoelectric conversion efficiency of perovskite cells, making it the standard preferred material for both laboratory and GW-level mass production lines.
The nanoscale titanium dioxide features uniform particle size, dense film formation, and minimal defects, making it perfectly compatible with large-area fabrication processes such as slot coating and inkjet printing, significantly improving component yield and consistency. After modification and optimization, the material effectively reduces the photocatalytic side effects of ultraviolet light, significantly mitigates perovskite layer aging issues, and enhances long-term device stability and outdoor service life.
Meanwhile, nano TiO₂ is green, non-toxic, cost-effective, and highly compatible with various processes, making it widely applicable in mainstream fields such as rigid single-junction cells, silicon-perovskite tandem cells, flexible photovoltaics, and BIPV (Building Integrated Photovoltaics) architecture.
Titanium dioxide nanoparticles are indispensable electron transport materials in perovskite solar cells. Through strategies such as nanostructure engineering (e.g., nanorod arrays), material doping modification (e.g., Zn doping, amino functionalization), and interface layer optimization, researchers have successfully increased the efficiency of perovskite solar cells to over 25% and significantly improved their long-term stability. These advancements are vigorously driving the transition of perovskite solar cells from laboratory research toward large-scale commercial applications.
With the entry of perovskite photovoltaics into the phase of large-scale mass production and rapid expansion, high-performance, highly dispersed, and low-temperature-adapted nano titanium dioxide has become a core essential material for supporting cost reduction and efficiency improvement in photovoltaics, as well as driving the industrialization of next-generation clean energy. The market prospects are vast.