Our experiments include impedance spectroscopy (IS) measurements in short-circuit under different illumination intensities and operational stability tests under constant
Customer ServiceWe show that the solid SnI 2 substrate temperature is the key parameter in achieving perovskite films with high surface coverage and excellent uniformity. The resulting high-quality CH 3 NH 3 SnI 3 films allow the successful
Customer ServiceMetal ion dopants in TiO 2 is a good subject to improve photocurrent and electron-hole recombination for perovskite solar cells. Niobium-doped TiO 2 (Nb-doped TiO 2) nanorod was adopted to enhance the charge transport for perovskite solar cells because it provides better conductivity and interface contact [23].
Customer ServicePerovskite solar cells in p–i–n architecture passivated with a PEAI-based 2D perovskite show a strong short-circuit current loss with a simultaneous increase in V OC but a rather constant FF. By combining
Customer ServiceThe use of IS analysis under short-circuit conditions, with varying illumination intensities and over time during operational stability tests, has been introduced, discussed, and carried out as a resourceful procedure for understanding the electrical response of solar cells. Several practical and theoretical advantages of this approach have
Customer Servicecharge distribution under short circuit reduces the effective charge-carrier diffusion length, hindering charge transport toward those domains in the perovskite–electron transport layer interface where electrons can be extracted
Customer ServiceIn this study, we analyze data from over 16,000 publications in the Perovskite Database to investigate the assumed equality between the integrated external quantum efficiency and the short...
Customer ServiceThe perovskite solar cells can achieve higher short circuit current density through the antireflection effect. Abstract. The optical properties of fluorine-doped tin oxide (FTO) coated glass substrates will limit the short circuit current density (J sc), thus the power conversion efficiency (PCE) of perovskite solar cells (PSCs). This work compares the transmittance,
Customer ServiceSemantic Scholar extracted view of "Substrate Interface Engineering for Drastically Boosted Short-Circuit Current Density and Fill Factor in Perovskite Solar Cells" by Xianjin Wang et al. Skip to search form Skip to main content Skip to account menu. Semantic Scholar''s Logo . Search 223,148,967 papers from all fields of science. Search. Sign In Create
Customer ServiceA mismatch between quasi-Fermi level splitting and open-circuit voltage is detrimental to wide bandgap perovskite pin solar cells. Here, through theoretical and experimental approaches, the...
Customer ServiceMetal ion dopants in TiO 2 is a good subject to improve photocurrent and electron-hole recombination for perovskite solar cells. Niobium-doped TiO 2 (Nb-doped TiO 2)
Customer ServiceWe demonstrate a record short-circuit current density (28.06 mA/cm 2) in a single-junction perovskite solar cell with a 1.6 eV bandgap absorber. We achieve this by integrating a ternary organic bulk heterojunction structure into a perovskite top layer to extend the photoresponse to the near-infrared region.
Customer Servicecharge distribution under short circuit reduces the effective charge-carrier diffusion length, hindering charge transport toward those domains in the perovskite–electron
Customer ServiceWe show that the solid SnI 2 substrate temperature is the key parameter in achieving perovskite films with high surface coverage and excellent uniformity. The resulting high-quality CH 3 NH 3 SnI 3 films allow the successful fabrication of solar cells with drastically improved reproducibility, reaching an efficiency of 1.86%.
Customer ServiceThe optical properties of fluorine-doped tin oxide (FTO) coated glass substrates will limit the short circuit current density (J sc), thus the power conversion efficiency (PCE) of perovskite solar cells (PSCs). This work compares the transmittance, reflectance, haze, and surface roughness of different FTO glass substrates. Then the
Customer ServiceWe demonstrate a record short-circuit current density (28.06 mA/cm 2) in a single-junction perovskite solar cell with a 1.6 eV bandgap absorber. We achieve this by integrating a ternary organic bulk heterojunction
Customer ServiceThe optical properties of fluorine-doped tin oxide (FTO) coated glass substrates will limit the short circuit current density (J sc), thus the power conversion efficiency (PCE) of
Customer ServiceOur experiments include impedance spectroscopy (IS) measurements in short-circuit under different illumination intensities and operational stability tests under constant illumination intensity. It is found that certain surface treatments lead to more stable performance. However, protic anion donors can induce, both, an initial
Customer Service10, 25,42,43 High short-circuit current density of 28.06 mA cm À2 for perovskite solar cell has been reported, 42 this value of J SC is greater than the maximum predicted J SC of 25 mA cm À2 for
Customer Servicerecombination in open-circuit and short-circuit condition c ex ¼ J SC J gen ¼ J rec,OC J rec,SC J rec,OC ¼ J r,OC J r,SC J r,OC (2) As J r is proportional to the emitted PL intensity of the solar cell, c ex can be experimentally determined by PL measurements. 3. Results and Discussion This study is based on perovskite solar cells with a
Customer ServiceFor the perovskite solar cells'' future performance, Cesium (Cs) can be substituted for Methyl-ammonium (MA) with great efficiency. It can be well observed that the short circuit current density (J SC) at 350 nm of PAL obtains a lower value of 6.5 mA/cm 2, and it monotonically increases to 7.9 mA/cm 2 at the PAL thickness to 600 nm. This can be
Customer ServiceA mismatch between quasi-Fermi level splitting and open-circuit voltage is detrimental to wide bandgap perovskite pin solar cells. Here, through theoretical and
Customer ServiceIn this study, we analyze data from over 16,000 publications in the Perovskite Database to investigate the assumed equality between the integrated external quantum
Customer ServicePerovskite solar cells (PSCs) continue to be the "front runner" technology among emerging photovoltaic devices in terms of power conversion efficiency and versatility of applications. However, improving stability and understanding their relationship with their ionic–electronic transport mechanisms continue to be challenging. In this work, a case study of
Customer Servicea) Comparison of short-circuit current losses in world-record Si, GaAs, Pb-, and PbSn-based perovskites (stars) taken from ref. [13, 48, 49], as compared to the perovskite cells studied in this work (filled circles).The graph was inspired by ref. [] Generally, PbSn-perovskites have larger current losses compared to Pb-perovskites, including MAPbI 3 and several triple
Customer ServicePerovskite solar cells in p–i–n architecture passivated with a PEAI-based 2D perovskite show a strong short-circuit current loss with a simultaneous increase in V OC but a rather constant FF. By combining different experimental methods with drift–diffusion simulations, this study evaluates different possible origins of this short-circuit
Customer ServiceEspecially, the 5-atom thick of MoS 2 nanosheet ETL exhibit short-circuit current-density (J sc) of 16.24 mAcm −2, open circuit-voltage (V oc) of 0.56 V, fill-factor (FF) of 0.37 and PCE of 3.36%. Moreover, the MoS 2-based solar cell can retain 90% of its initial PCE after continuous operation for 80 s under the irradiation of sunlight at maximum power point. In
Customer ServiceWe demonstrate a record short-circuit current density (28.06 mA/cm2) in a single-junction perovskite solar cell with a 1.6 eV bandgap absorber. We achieve this by integrating a ternary organic bulk heterojunction structure into a perovskite top layer to extend the photoresponse to the near-infrared region.
Customer ServiceThe use of IS analysis under short-circuit conditions, with varying illumination intensities and over time during operational stability tests, has been introduced, discussed,
Customer ServiceOrganic-inorganic hybrid metal halide perovskite solar cells (PSCs) have garnered extensive academic attention due to their excellent optoelectronic properties, including long carrier lifetimes, exceptional carrier diffusion lengths, and low defect density, that collectively promote the rapid increase of their power conversion efficiency (PCE) from 3.8% to 25.7%
Customer ServiceWe demonstrate a record short-circuit current density (28.06 mA/cm 2) in a single-junction perovskite solar cell with a 1.6 eV bandgap absorber. We achieve this by integrating a ternary organic bulk heterojunction structure into a perovskite top layer to extend the photoresponse to the near-infrared region.
Perovskite solar cells in p–i–n architecture passivated with a PEAI-based 2D perovskite show a strong short-circuit current loss with a simultaneous increase in VOC but a rather constant FF.
The current most promising technological application of perovskite solar cells (PSCs) requires the integration of perovskite photovoltaic devices in a monolithic tandem architecture, either in Si-perovskite 1, all-perovskite 2, 3 or CIGS-perovskite tandems 4.
The combination of the n- and p- type optimizations allows us to approach the thermodynamic potential of the perovskite absorber layer, resulting in 1 cm 2 devices with performance parameters of V OC s up to 1.29 V, fill factors above 80% and J SC s up to 17 mA/cm 2, in addition to a thermal stability T 80 lifetime of more than 3500 h at 85 °C.
The development of Sn-based perovskite solar cells has been challenging because devices often show short-circuit behavior due to poor morphologies and undesired electrical properties of the thin films.
In the last decade, halide perovskites have emerged as a class of promising solar cell materials. During this time, record efficiencies have surpassed 25% 1, 2 and the research has gone from basic research to gradually also containing more technology-oriented device development.
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