Junfeng Fang

TL;DR: Graphdiyne (GD), a novel two dimension carbon material, is doped into PCBM layer of perovskite solar cell with an inverted structure to improve the electron transport and bring the high PCE of the devices and the data repeatability.

TL;DR: Li et al. as discussed by the authors constructed a stable perovskite heterojunction for inverted solar cells through surface sulfidation of lead-sulfur (Pb)-rich perovsite films.

TL;DR: An in-situ cross-linking strategy for operationally stable inverted MAPbI3 PSCs is demonstrated through the incorporation of a cross-linkable organic small molecule additive trimethylolpropane triacrylate (TMTA) into perovskite films, which exhibits 590-fold improvement in operational stability.

TL;DR: An efficient electron transport layer (ETL) plays a key role in promoting carrier separation and electron extraction in planar perovskite solar cells (PSCs), and an effective composite ETL is fabricated using carboxylic acid and hydroxyl-rich red carbon quantum dots (RCQs) to dope low-temperature solution-processed SnO2, which dramatically increases its electron mobility by ≈20 times from 9.32 × 10-4 to 1.73 × 10 2 cm2 V-1 s-1.

TL;DR: In this paper, a review summarizes the main progress of perovskite solar cells in 2020 and 2021 from the aspects of efficiency, stability and tandem devices, and a brief discussion on the development of PSC modules and its challenges toward practical application is provided.