Highly efficient MoOx-free semitransparent perovskite cell for 4 T tandem application improving the efficiency of commercially-available Al-BSF silicon

Ramos, F. Javier; Jutteau, Sébastien; Posada, Jorge; Bercegol, Adrien; Rebai, Amelle; Guillemot, Thomas; Bodeux, Romain; Schneider, Nathanaëlle; Loones, Nicolas; Ory, Daniel S.; Broussillou, C.; Goaer, G.; Lombez, Laurent; Rousset, Jean

doi:10.1038/s41598-018-34432-5

Cited by 35 publications

(41 citation statements)

References 49 publications

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“…Current and future work at IPVF therefore focuses on the development of low‐cost, high‐efficiency tandem modules mainly using perovskite on c‐Si, but also alternative technologies based on combinations with III‐V materials 47 . While we have achieved first promising results for perovskite on c‐Si tandem cells, 48 we are committed to demonstrate a tandem cell with a PCE of >30% that can be commercialized before 2030, with the help of national and international academic and industrial collaborations.…”

Section: Discussionmentioning

confidence: 99%

IPVF's PV technology vision for 2030

Oberbeck

Alvino²,

Goraya

et al. 2020

Progress in Photovoltaics

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Current single-junction crystalline silicon (c-Si) solar cells are approaching their power conversion efficiency (PCE) limit. Tandem solar cells are expected to overcome such efficiency limit, with perovskite on c-Si tandems being a promising candidate for commercialization over the next years. This work aims atdescribing the conditions that tandem cells and modules need to fulfill to successfully enter the market in 2030.We first estimate that industrial c-Si photovoltaic modules may reach a price level of about 15 c$/W in 2030 at a PCE of 22-24%, with an expected lifetime of 30 years and an annual degradation of 0.5%. For commercial relevance, we anticipate that tandem module efficiencies need to be increased to reach around 30%, while matching lifetime and degradation rate of c-Si modules. Provided these conditions, we find that these tandem modules could then have a cost bonus of around 5-10 c $/W compared to c-Si modules for reaching equal levelized cost of energyvalues.

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Section: Discussionmentioning

confidence: 99%

IPVF's PV technology vision for 2030

Oberbeck

Alvino²,

Goraya

et al. 2020

Progress in Photovoltaics

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“…Many inorganic semiconductors, such as copper phthalocyanine (CuPc), MoO x , MoS 2 , and WO x have been proved as promising HTMs with the PCE over 20% and good light stability. [272][273][274][275][276] A summary of some reported results for inorganic HTLs is presented in Table 3.…”

Section: Inorganic Semiconductors As Htmsmentioning

confidence: 99%

Mechanisms and Suppression of Photoinduced Degradation in Perovskite Solar Cells

Wei

Wang

Huo

et al. 2020

Advanced Energy Materials

179

170

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Solar cells based on metal halide perovskites have reached a power conversion efficiency as high as 25%. Their booming efficiency, feasible processability, and good compatibility with large‐scale deposition techniques make perovskite solar cells (PSCs) desirable candidates for next‐generation photovoltaic devices. Despite these advantages, the lifespans of solar cells are far below the industry‐needed 25 years. In fact, numerous PSCs throughout the literature show severely hampered stability under illumination. Herein, several photoinduced degradation mechanisms are discussed. With light radiation, the organic–inorgainc perovskites are prone to phase segregation or chemical decomposition; the oxide electron transport layers (ETLs) tend to introduce new defects at the interface; the commonly used small molecules‐based hole transport layers (HTLs) typically suffer from poor photostability and dopant diffusion during device operation. It has been demonstrated the photoinduced degradation can take place in every functional layer, including the active layer, ETL, HTL, and their interfaces. An overview of these degradation categories is provided in this review, in the hope of encouraging further research and optimization of relevant devices.

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“…Thus, for simple magnetron sputtering, damage to the perovskite or CL can often occur. [ 183 ] To deposit on a soft material, such as an organic CL or onto a perovskite, oxide barrier layers, such as MoO x , [ 76,197 ] SnO x , [ 36,46,48,50 ] ZnO, [ 198 ] ZTO, [ 46,48 ] and AZO, [ 51,199 ] are commonly used to minimize damage, although there are a few reports that successfully sputter ITO directly onto spiro‐OMeTAD [ 197,200–202 ] or C 60 . [ 39,47 ] ALD‐deposited SnO x is the most commonly used buffer layer in the recombination stack of all‐perovskite monolithic tandems.…”

Section: Tandem Fabrication: a Story Of Compromisementioning

confidence: 99%

Choose Your Own Adventure: Fabrication of Monolithic All‐Perovskite Tandem Photovoltaics

et al. 2020

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power conversion efficiencies (PCE) certified over 25% [9] merely 10 years after their first report (no small feat). [10,11] Perovskites have also made rapid progress in stability [12] (which is arguably their Achilles heel) now with regular reports of thousands of hours, [13-17] reaching up to one year, [18] of device operational stability, even at elevated temperatures. [19,20] Finally, there have been impressive efforts in scaling the MHP deposition methods to maintain film uniformity over larger areas, through the use of novel solvent chemistries [21-23] and a variety of processing techniques [24,25] which has culminated in a certified 17.25% PCE for a ≈20 cm 2 module [26] and 17.9% PCE for a >800 cm 2 module. [27] An additional unique characteristic of MHPs is the ability to widely tune the composition of ABX 3 where A is usually a mixture of methylammonium (MA +), formamidinium (FA +) and cesium (Cs +); B can be a mixture of Pb 2+ and Sn 2+ ; and X is typically a mixture of I − , Br − , and Cl −. Changing the composition allows the bandgap (E g) to be modulated from ≈1.2 to >2.4 eV. [28-32] A large range of compositions and bandgaps have been used to make solar cells with PCEs over 20%. [4,33-39] The ability to reach high efficiencies at a wide range of bandgaps naturally motivates the use of perovskites in multijunction photovoltaics with various absorbers employed in tandem. By coupling together two MHPs with complementary bandgaps into a tandem device (Figure 1A), the incident solar spectrum can be more efficiently converted than in a single bandgap device by reducing the thermalization losses. This loss reduction increases the maximum attainable PCE. [40] Pairing the high efficiency (>30%) with the promises for ultralow cost manufacturing and light weight makes all-perovskite tandems one of the most exciting PV technologies in a generation. This combination of characteristics not only has the potential to further lower the solar electricity costs, but also to open the field to applications beyond the capabilities of the crystalline silicon dominant market, such as unmanned aerial vehicles. [41-44] While single-junction perovskite cells currently have demonstrated the highest efficiencies among polycrystalline thin-film PVs, they are likely to have a maximum practical efficiency of ≈28% PCE whereas all-perovskite tandems have a clear path to well over 30%. [40,45] There has been a flurry of work on monolithic, 2-terminal (2T) perovskite-based tandems, pairing a wide-E g MHP with materials such as low-E g tin/lead (Sn/Pb) Metal halide perovskites (MHPs) have transfixed the photovoltaic (PV) community due to their outstanding and tunable optoelectronic properties coupled to demonstrations of high-power conversion efficiencies (PCE) at a range of bandgaps. This has motivated the field to push perovskites to reach the highest possible performance. One way to increase the efficiency is by fabricating multijunction solar cells, which can split the solar spectrum, reducing thermalization loss. Low-cost all-pero...

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Highly efficient MoOx-free semitransparent perovskite cell for 4 T tandem application improving the efficiency of commercially-available Al-BSF silicon

Cited by 35 publications

References 49 publications

IPVF's PV technology vision for 2030

IPVF's PV technology vision for 2030

Mechanisms and Suppression of Photoinduced Degradation in Perovskite Solar Cells

Choose Your Own Adventure: Fabrication of Monolithic All‐Perovskite Tandem Photovoltaics

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