Preparation of Perovskite Solar Cells in the Air: Degradation Mechanism and Prospects on Large‐Area Fabrication^†

Abstract

Comprehensive Summary The preparation of perovskite solar cells (PSCs) in the air environment has attracted the attention of numerous experimenters due to its low preparation cost and the possibility of commercialization. Although the power conversion efficiency (PCE) of PSCs has increased rapidly and exceeded 25%, which is comparable to commercial polysilicon solar cells, most certified or reported high‐efficiency perovskite solar cells are still confined to glove boxes or relatively small active areas in the air environment due to moisture, oxygen, high temperature, and ultraviolet (UV) factors. In this review, the factors that lead to perovskite degradation are reviewed, and the appropriate strategies for manufacturing high‐efficiency and stable perovskite solar cells under environmental conditions are summarized to help the technology be commercialized for high‐quality, stable, and large‐area perovskite thin films in the air.

1,2,5,6‐Naphthalene Diimides: A Class of Promising Building Blocks for Organic Semiconductors†

“…Organic‐inorganic hybrid perovskite solar cells have experienced rapid breakthroughs over the past decade, in particular, the record PCE values of perovskite solar cells have exceeded 25%. [ 45‐47 ] n‐Type polymers with tailorable optoelectronic structure, good film‐forming property, structural stability, as well as photochemical stability are proven to be the most promising electron transport materials (ETM) as alternatives to fullerene derivatives for efficient perovskite solar cells. Recently, a series of D‐A type copolymers based on the charming DTCDI acceptor unit via the polymerization of DTCDI‐3,9‐connecting positions (Figure 10) were synthesized by Gao and his coworkers.…”

Facile Modification on Buried Interface for Highly Efficient and Stable FASn0.5Pb0.5I3 Perovskite Solar Cells with NiOx Hole‐Transport layers†

“…[ 1‐5 ] In the past decade, the power conversion efficiency (PCE) of single‐junction PSCs has rapidly developed from 3.8% to the certified 25.8% in 2023. [ 6‐15 ] These prominent achievements are usually made from lead‐based perovskites (PVKs). [ 16 ] However, their inevitable toxicity and environmental unfriendliness have triggered the exploration of lead‐free or lead‐less PSCs.…”

Recent Progresses on Dopant‐Free Organic Hole Transport Materials toward Efficient and Stable Perovskite Solar Cells†

“…[ 7 ] Due to the unique characteristics of perovskite materials, such as large absorption coefficient, low exciton binding energy, adjustable composition and absorption edge, long charge carrier diffusion length and effective bipolar charge transport, PSCs have experienced rapid development. [ 8‐12 ]…”