Perovskite Solar Cells Fabricated by Using an Environmental Friendly Aprotic Polar Additive of 1,3-Dimethyl-2-imidazolidinone

Zhi, Lili; Li, Yanqing; Li, Yahui; Cui, Xin; Ci, Lijie; Wei, Jinquan

doi:10.1186/s11671-017-2391-3

Cited by 23 publications

(17 citation statements)

References 33 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Moreover, some synthetic routes for highly efficient perovskites employ antisolvents 31,32 (e.g. chlorobenzene or toluene) and the treatment of precursors solution with additives, such as hexamethylphosphoramide 33 and 1,3-dimethyl-2-imidazolidinone, 34 as well as the use of solvent blends. 35 Various studies have been carried out on the solution chemistry of the perovskite precursors, 16,[36][37][38][39][40][41][42][43][44][45] Accordingly, in the present manuscript we investigate the chemistry of typical precursor solutions employed for LHPs synthesis by a combined experimental and computational approach.…”

Section: Introductionmentioning

confidence: 99%

Understanding the Solution Chemistry of Lead Halide Perovskites Precursors

Radicchi

Mosconi

Elisei

et al. 2019

ACS Appl. Energy Mater.

105

139

View full text Add to dashboard Cite

Identifying the composition of the solvated iodoplumbate complexes that are involved in the synthesis of perovskites in different solution environments is of great relevance in order to link the type and quantity of precursors to the final optoelectronic properties of the material. In this paper we clarify the nature of these species and the involved solution equilibria by combining experimental analysis and high-level theoretical calculations, focusing in particular on the DMSO and DMF solvents, largely employed in the perovskites synthesis. The specific molecular interactions between the iodoplumbate complexes, [PbIm] 2-m , and the solvent molecules, X, were analyzed by identifying the most thermodynamically stable structures in various solvent solutions and characterizing their optical properties trough DFT and TD-DFT calculations. A comparison with the experimental UV-Vis absorption spectra allows for the first time the definition of the number of iodide and solvent ligands bonded to the Pb 2+ ion and of the complex formation constants of the involved species.3

show abstract

Section: Introductionmentioning

confidence: 99%

Understanding the Solution Chemistry of Lead Halide Perovskites Precursors

Radicchi

Mosconi

Elisei

et al. 2019

ACS Appl. Energy Mater.

105

139

View full text Add to dashboard Cite

show abstract

“…However, the DMI solvent is a marginal solvent for PbI 2 +MAI precursors and can only be introduced as a solvent additive with a small amount into the DMF system. The resultant PCE of the related solar cells was less than 15% [ 23 ]. In contrast, we found that the perovskite precursors Pb(Ac) 2 and MAI have a high solubility in the DMI solvent, which can be evidenced from the yellow transparent solution ( Figure 1(a) ).…”

Section: Resultsmentioning

confidence: 99%

Perovskite Solar Cells toward Eco-Friendly Printing

et al. 2021

View full text Add to dashboard Cite

Eco-friendly printing is important for mass manufacturing of thin-film photovoltaic (PV) devices to preserve human safety and the environment and to reduce energy consumption and capital expense. However, it is challenging for perovskite PVs due to the lack of eco-friendly solvents for ambient fast printing. In this study, we demonstrate for the first time an eco-friendly printing concept for high-performance perovskite solar cells. Both the perovskite and charge transport layers were fabricated from eco-friendly solvents via scalable fast blade coating under ambient conditions. The perovskite dynamic crystallization during blade coating investigated using in situ grazing incidence wide-angle X-ray scattering (GIWAXS) reveals a long sol-gel window prior to phase transformation and a strong interaction between the precursors and the eco-friendly solvents. The insights enable the achievement of high quality coatings for both the perovskite and charge transport layers by controlling film formation during scalable coating. The excellent optoelectronic properties of these coatings translate to a power conversion efficiency of 18.26% for eco-friendly printed solar cells, which is on par with the conventional devices fabricated via spin coating from toxic solvents under inert atmosphere. The eco-friendly printing paradigm presented in this work paves the way for future green and high-throughput fabrication on an industrial scale for perovskite PVs.

show abstract

“…A urea molecule as a coordinating additive was added to the MAPbI 3 precursor solution to form compact perovskite films as reported by Lee et al The urea additive induces large grain size of perovskite films due to increased activation energy as illustrated in Figure b. Based on the same principle, 1,3‐dimethyl‐2‐imidazolidinone (DMI) with low volatility was also used as an additive to form compact perovskite films . Han et al reported an additive of methylammonium thiocyanate (MASCN), which was added as a precursor to achieve high‐quality MAPbI 3 films; the process is shown in Figure c.…”

Section: Solution Methods For Perovskite Film Fabricationmentioning

confidence: 94%

Organic‐Inorganic Halide Perovskites: From Crystallization of Polycrystalline Films to Solar Cell Applications

Gao

Yang

2019

Solar RRL

View full text Add to dashboard Cite

In recent years, tremendous research interest has been devoted to organic–inorganic halide perovskites because of their excellent optical and electrical properties, which make them intriguing photovoltaic materials. The recorded efficiency of Pb‐based halide perovskite solar cells (PSCs) has gone beyond 24%, thus fulfilling their potential for industrialization. The photovoltaic performance of PSCs is predominantly determined by the quality of the perovskite film, which in turn, is controlled by the fabrication process. Therefore, a comprehensive and in‐depth understanding of fundamental polycrystalline perovskite film formation is imperative for further development of PSC manufacturing. This review summarizes recent advances in the field of PSCs and mainly reviews the fundamental knowledge of nucleation and growth during perovskite crystallization from solution processing methods and promising small area and large‐scale solution manufacturing methods combined with their properties and relevant PSC performance. A brief overview of stabilization strategies and cost discussion is then presented. Finally, the challenges and outlooks of PSC development for upcoming photovoltaic technology for industrial application are discussed.

show abstract

Perovskite Solar Cells Fabricated by Using an Environmental Friendly Aprotic Polar Additive of 1,3-Dimethyl-2-imidazolidinone

Cited by 23 publications

References 33 publications

Understanding the Solution Chemistry of Lead Halide Perovskites Precursors

Understanding the Solution Chemistry of Lead Halide Perovskites Precursors

Perovskite Solar Cells toward Eco-Friendly Printing

Organic‐Inorganic Halide Perovskites: From Crystallization of Polycrystalline Films to Solar Cell Applications

Contact Info

Product

Resources

About