Publications by authors named "Xiqi Yang"
High power conversion efficiencies (PCEs) in perovskite solar cells (PSCs) have always been awe-inspiring, but perovskite films scalability is an exacting precondition for PSCs commercial deployment, generally unachievable through the antisolvent technique. On the contrary, in the two-step sequential method, the perovskite's uncontrolled crystallization and unnecessary PbI residue impede the device's performance. These two issues motivated to empower the PbI substrate with orthorhombic RbPbI crystal seeds, which act as grown nuclei and develop orientated perovskites lattice stacks, improving the perovskite films morphologically and reducing the PbI content in eventual perovskite films.
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- Environmental persistent free radicals (EPFRs) are emerging pollutants in urban road dust, with this study focusing on their characteristics and potential oxidative toxicity in a northwest Chinese city.
- The research found a mean mass concentration of carbon-centered EPFRs in road dust and noted a half-life of 4.5 years for these compounds, emphasizing their degradable nature.
- Results indicated that water-insoluble components significantly contribute to oxidative toxicity, with different types of EPFRs influencing the generation of reactive oxygen species, highlighting the complex role of these radicals in air pollution toxicity.