Recently, the research article “Construct efficient CsPbI₂Br solar cells by minimizing the open-circuit voltage loss through controlling the peripheral substituents of hole-transport materials” (Chemical Engineering Journal, 425 (2021) 131675), completed by the group of Prof. Ming Cheng from Jiangsu University, was published in Chemical Engineering Journal (IF = 13.273). Jiangsu University is the first completed institution. Master student Mengde Zhai is the first author and Prof. Ming Cheng is the corresponding author.