W.K. Fong

Unveiling the Myths of Co‐Deposition of Hole Conductors and Perovskite Layers

Xi Yang, Ke Jing, Heng-Yu Zhang, Qianyi Li et autres

Perovskite solar cells (PSCs) hold great promise as photovoltaic technology, with power conversion efficiencies exceeding 27%. To further reduce the levelized cost of energy, simplifying PSC manufacturing processes is essential. In this study, a streamlined one-step solution-coating strategy is introduced that simultaneously …

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19.5%‐Efficient and Ultrastable Quasiplanar Heterojunction Organic Solar Cells Enabled by Highly Crystalline 2D Acceptors

Yongwen Lang, Hanjian Lai, Chao Li, Shilong Xiong et autres

Abstract The limited operational stability of organic solar cells (OSCs) remains a major barrier to their practical application. In this work, two highly crystalline 2D acceptors, PhIC‐BO and AnIC‐BO are reported, which are incorporated as a third component into bilayer‐dominated quasiplanar heterojunction …

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Author Correction: Two-step crystallization modulated through acenaphthene enabling 21% binary organic solar cells and 83.2% fill factor

Jiehao Fu, Hongxiang Li, Heng Liu, Peihao Huang et autres

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Two-step crystallization modulated through acenaphthene enabling 21% binary organic solar cells and 83.2% fill factor

Jiehao Fu, Hongxiang Li, Heng Liu, Peihao Huang et autres

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Unveiling the Myths of Co-deposition of Hole Conductors and Perovskite Layers: A Mechanistic Study

Xi Yang, Ke Jing, Hengyu Zhang, Qianyi Li et autres

Perovskite solar cells (PSCs) hold great promise as photovoltaic technology, with power conversion efficiencies exceeding 27%. To further reduce the levelized cost of energy, simplifying PSC manufacturing processes is essential. In this study, we introduce a streamlined one-step solution-coating strategy that simultaneously …

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A Close-Space Fast Nucleation Strategy toward High-Efficiency Perovskite Light-Emitting Diodes

Xinwen Sun, Dongliang Ding, Zhiguo Nie, Bo Wu et autres

Halide perovskite light-emitting diodes (PeLEDs), considered as potential candidates for future displays, face significant limitations in their external quantum efficiency (EQE) due to an uncontrollable nucleation and crystallization process. Herein, a close-space inverted annealing (CSIA) strategy is developed to achieve fast nucleation …

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Inorganic perovskite/organic tandem solar cells with 25.1% certified efficiency via bottom contact modulation

Jiehao Fu, Zhiwei Ren, Jiangsheng Yu, Qiong Liang et autres

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Kinetics Manipulation Enabled by Solubility Control Toward 19% Organic Solar Cells via Compatible Air Coating

Yongwen Lang, Kuan Liu, Yúang Fu, Liang Han et autres

Abstract Blade coating is a promising tool for upscaling organic solar cells (OSCs). However, the performances of blade‐coated OSCs still lag behind their spin‐coated counterparts, limiting their competitive edge towards commercialization. One of the main reasons is that controlling the film aggregation …

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Tailoring Crystal Growth Regulation and Dual Passivation for Air‐Processed Efficient Perovskite Solar Cells

Qianyi Li, Dongyang Li, Zhiqi Li, Qiong Liang et autres

Abstract Hybrid metal halide perovskite solar cells (PSCs) are emerging as highly competitive next‐generation photovoltaics due to their excellent performance and low production cost. However, the construction of high‐efficiency PSCs typically requires an inert nitrogen environment within a glove box, inadvertently increasing …

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Highly stable perovskite solar cells with 0.30 voltage deficit enabled by a multi-functional asynchronous cross-linking

Qiong Liang, Kuan Liu, Han Yu, Hao Xia et autres

The primary challenge in commercializing perovskite solar cells (PSCs) mainly stems from fragile and moisture-sensitive nature of halide perovskite materials. In this study, we propose an asynchronous cross-linking strategy. A multifunctional cross-linking initiator, divinyl sulfone (DVS), is firstly pre-embedded into perovskite precursor …

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High-efficiency oligomeric solar cells - revealing the interplay of molecular dimensions, terminal group functions, and aggregation dynamics

Hao Xia, Ruijie Ma, Rulin Hao, Can Qian et autres

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Balanced Miscibility and Crystallinity by 2D Acceptors Enabled Halogen‐Free Solvent‐Processed Organic Solar Cells to Achieve 19.28% Efficiency

Yongwen Lang, Hanjian Lai, Yúang Fu, Ruijie Ma et autres

Two highly crystalline 2D acceptors, ATIC-C11 and ATIC-BO, with acenaphthene-expanded quinoxaline central cores, have been demonstrated with very different characteristics in ternary organic solar cells (OSCs). The difference in side chains induces their distinctive molecular packing mode and unique crystal structure, in …

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