Perovskite solar cells: Materials, configurations and stability

Mesquita, Isabel; Andrade, Luísa; Mendes, Adélio

doi:10.1016/j.rser.2017.09.011

Cited by 114 publications

(94 citation statements)

References 151 publications

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“…Hybrid metal halide perovskite semiconductors show great promise for application in optoelectronic devices owing to a combination of facile synthesis from simple starting materials and remarkable optoelectronic properties for polycrystalline thin film materials . Photovoltaic devices based on hybrid metal halide perovskites have been particularly impressive, with power conversion efficiencies (PCEs) now exceeding 22% and rivaling industry‐standard devices fabricated with silicon active layers .…”

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confidence: 99%

“…Photovoltaic devices based on hybrid metal halide perovskites have been particularly impressive, with power conversion efficiencies (PCEs) now exceeding 22% and rivaling industry‐standard devices fabricated with silicon active layers . However, one potential drawback of hybrid perovskites is that the highest performing devices are currently based around lead‐containing materials such as methylammonium lead triiodide (CH 3 NH 3 PbI 3 or MAPbI 3 ) or formamidinium lead triiodide (HC(NH 2 ) 2 PbI 3 or FAPbI 3 ) . Lead and its compounds are known to be severely toxic even in small amounts and can cause both acute and chronic damage to all major organs and tissues, as a result of which regulations tightly restrict its use in the majority of consumer industries worldwide .…”

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confidence: 99%

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The Effects of Doping Density and Temperature on the Optoelectronic Properties of Formamidinium Tin Triiodide Thin Films

et al. 2018

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Optoelectronic properties are unraveled for formamidinium tin triiodide (FASnI ) thin films, whose background hole doping density is varied through SnF addition during film fabrication. Monomolecular charge-carrier recombination exhibits both a dopant-mediated part that grows linearly with hole doping density and remnant contributions that remain under tin-enriched processing conditions. At hole densities near 10 cm , a strong Burstein-Moss effect increases absorption onset energies by ≈300 meV beyond the bandgap energy of undoped FASnI (shown to be 1.2 eV at 5 K and 1.35 eV at room temperature). At very high doping densities (10 cm ), temperature-dependent measurements indicate that the effective charge-carrier mobility is suppressed through scattering with ionized dopants. Once the background hole concentration is nearer 10 cm and below, the charge-carrier mobility increases with decreasing temperature according to ≈T , suggesting that it is limited mostly by intrinsic interactions with lattice vibrations. For the lowest doping concentration of 7.2 × 10 cm , charge-carrier mobilities reach a value of 67 cm V s at room temperature and 470 cm V s at 50 K. Intraexcitonic transitions observed in the THz-frequency photoconductivity spectra at 5 K reveal an exciton binding energy of only 3.1 meV for FASnI , in agreement with the low bandgap energy exhibited by this perovskite.

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confidence: 99%

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confidence: 99%

The Effects of Doping Density and Temperature on the Optoelectronic Properties of Formamidinium Tin Triiodide Thin Films

et al. 2018

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“…Despite the excellent PSC-performance in the laboratory, stability problems limit the development and commercialization of this promising materials class. Hybrid perovskites degrade quickly in heat, oxygen and moisture [10][11][12][13][14]. With increasing exposure to any of these destabilizing factors, the structure of the hybrid perovskite degrades and the PCE reduces concomitantly after several days or even hours [15,16].…”

Section: Introductionmentioning

confidence: 99%

Database-driven high-throughput study of coating materials for hybrid perovskites

Seidu

Himanen

et al. 2019

New J. Phys.

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We developed a high-throughput screening scheme to acquire candidate coating materials for hybrid perovskites. From more than 1.8 million entries of an inorganic compound database, we collected 93 binary and ternary materials with promising properties for protectively coating halide-perovskite photoabsorbers in perovskite solar cells. These candidates fulfill a series of criteria, including wide band gaps, abundant and non-toxic elements, water-insoluble, and small lattice mismatch with surface models of halide perovskites.

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“…To obtain high‐quality perovskite thin films, the deposition technique becomes very critical. Many important parameters of the perovskite thin film, such as surface coverage, grain size, crystallinity, and density of defects, are closely related to the deposition technique . To date, three basic categories of deposition techniques have been developed: 1) solution processing; 2) physical vapor phase deposition; 3) vapor assisted solution processing .…”

Section: Introductionmentioning

confidence: 99%

Defect Engineering toward Highly Efficient and Stable Perovskite Solar Cells

Ferguson

Silva

et al. 2018

Adv Materials Inter

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Metal halide perovskite solar cells are emerging candidates amongst the next‐generation thin‐film photovoltaic devices with extremely low fabrication cost and high power conversion efficiency. Defects (both in the bulk material and at the interfaces) are recognized as one of the most fundamental reasons for the compromised device performance and long‐term stability of perovskite solar cells. In this review article, the authors analyze the possible origins of the defects formation in metal halide perovskites, followed by the rationalization of various approaches being utilized to reduce the density of defects. The authors demonstrate that defect engineering, including adding dopants in the precursor solutions, interface passivation, or other physical treatments (thermal or light stress), is an essential way to further boost the device performance and enhance their long‐term stability. The authors note that although the exact mechanisms of defect elimination in some approaches are yet to be elucidated, the research on defect engineering is expected to have enormous impact on next wave of device performance optimization of metal halide perovskite solar cells toward Shockley–Queisser limit.

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Perovskite solar cells: Materials, configurations and stability

Cited by 114 publications

References 151 publications

The Effects of Doping Density and Temperature on the Optoelectronic Properties of Formamidinium Tin Triiodide Thin Films

The Effects of Doping Density and Temperature on the Optoelectronic Properties of Formamidinium Tin Triiodide Thin Films

Database-driven high-throughput study of coating materials for hybrid perovskites

Defect Engineering toward Highly Efficient and Stable Perovskite Solar Cells

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