Zhou Yang

TL;DR: Two-inch-sized perovskite crystals, CH3 NH3 PbX3 (X=I, Br, Cl), with high crystalline quality are prepared by a solution-grown strategy, which is expected to transform its broad applications in photovoltaics, optoelectronics, lasers, photodetectors, LEDs, etc., just as crystalline silicon has done in revolutionizing the modern electronics and photov electricity industries.

TL;DR: In this paper, the authors reported a drastically improved solar cell efficiency via surface optimization of the TiO2 ETL using a special ionic-liquid (IL) that shows high optical transparency and superior electron mobility.

TL;DR: A model of the passivation mechanism is proposed to understand how the molecules simultaneously passivate the Pb-I antisite defects and vacancies created by under-coordinated Pb atoms, and how the energy offset between the semiconducting molecules and the perovskite influences trap states and intergrain carrier transport.

TL;DR: In this paper, the authors demonstrate cesium cation (Cs+) doped 2D (BA)2(MA)3Pb4I13 perovskite solar cells giving a power conversion efficiency (PCE) as high as 13.7%.

TL;DR: In this article, a process is developed to prepare a very dense TiO2 layer using magnetron sputtering at room temperature, which offers faster electron transport, reduced transfer resistance and better performance for electron extraction from the perovskite absorber layer.