Aerosol-Jet-Assisted Thin-Film Growth of CH3NH3PbI3 Perovskites—A Means to Achieve High Quality, Defect-Free Films for Efficient Solar Cells
TLDR
In this paper, an automated aerosol-jet printing technique is introduced for precisely controlling the thin-film perovskite growth in a planar heterojunction p-i-n solar cell device structure.Abstract:
A high level of automation is desirable to facilitate the lab-to-fab process transfer of the emerging perovskite-based solar technology. Here, an automated aerosol-jet printing technique is introduced for precisely controlling the thin-film perovskite growth in a planar heterojunction p–i–n solar cell device structure. The roles of some of the user defined parameters from a computer-aided design file are studied for the reproducible fabrication of pure CH3NH3PbI3 thin films under near ambient conditions. Preliminary power conversion efficiencies up to 15.4% are achieved when such films are incorporated in a poly(3,4-ethylenedioxythiophene):polystyrene sulfonate-perovskite-phenyl-C71-butyric acid methyl ester type device format. It is further shown that the deposition of atomized materials in the form of a gaseous mist helps to form a highly uniform and PbI2 residue-free CH3NH3PbI3 film and offers advantages over the conventional two-step solution approach by avoiding the detrimental solid–liquid interface induced perovskite crystallization. Ultimately, by integrating full 3D motion control, the fabrication of perovskite layers directly on a 3D curved surface becomes possible. This work suggests that 3D automation with aerosol-jet printing, once fully optimized, could form a universal platform for the lab-to-fab process transfer of solution-based perovskite photovoltaics and steer development of new design strategies for numerous embedded structural power applications.read more
Citations
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Journal ArticleDOI
Surfactant-controlled ink drying enables high-speed deposition of perovskite films for efficient photovoltaic modules
Yehao Deng,Yehao Deng,Xiaopeng Zheng,Yang Bai,Qi Wang,Qi Wang,Jingjing Zhao,Jinsong Huang,Jinsong Huang +8 more
TL;DR: Deng et al. as discussed by the authors used amphoteric choline surfactants to blade-coat perovskite thin films, reaching module efficiencies of 15.3% and 14.6% measured at aperture areas of 33.0 cm2 and 57.2 cm2, respectively.
Journal ArticleDOI
A review of aerosol jet printing—a non-traditional hybrid process for micro-manufacturing
TL;DR: An overview of the underlying principles of AJP are summarized, applications of the technology are reviewed, and where gains may be realised are hypothesised through this assistive manufacturing process.
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A Biopolymer Heparin Sodium Interlayer Anchoring TiO2 and MAPbI3 Enhances Trap Passivation and Device Stability in Perovskite Solar Cells
Shuai You,Hui Wang,Shiqing Bi,Jiyu Zhou,Liang Qin,Xiaohui Qiu,Zhiqiang Zhao,Yun Xu,Yuan Zhang,Xinghua Shi,Huiqiong Zhou,Zhiyong Tang +11 more
TL;DR: This work demonstrates a highly viable and facile interface strategy using biomaterials to afford high-performance and stable perovskite solar cells enabled by a biopolymer heparin sodium (HS) interfacial layer.
Journal ArticleDOI
Solvent Engineering of the Precursor Solution toward Large-Area Production of Perovskite Solar Cells
Lingfeng Chao,Tingting Niu,Weiyin Gao,Chenxin Ran,Lin Song,Yonghua Chen,Wei Huang,Wei Huang,Wei Huang +8 more
TL;DR: In this article, the authors highlighted the advanced progress of solvent engineering of precursor solution in terms of coordination regulation and toxicity reduction, and the physical and chemical characteristics of different solvents in reducing the toxicity of the solvent system, regulating the coordination property of the precursor solution, controlling the film-forming process of the perovskite film, and adjusting the photovoltaic performance of the PSC.
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