Tang et al. report a 23.6% gas-quenched perovskite solar cell by incorporating potassium iodide (KI) in the precursor and applying n-hexylammonium bromide (HABr) to the surface. KI induces a spatial-compositional change, improving grain boundary properties. KI and HABr reduce traps close to the mid-gap, and HABr greatly improves the built-in potential of the …
Strontium-doped rutile TiO 2 NRs were successfully synthesized through a solvothermal route and it was evident from the peak shift in PXRD and also from the respective signals ... Boosting the efficiency of commercial available carbon-based perovskite solar cells using Zinc-doped TiO2 nanorod arrays as electron transport layer. J. Alloys and ...
Strontium stannate SrSnO3 (SSO) has been proposed as a promising alternative electron-transport layer (ETL) for perovskite solar cells (PSCs) due to its superior conductivity and photoelectronic properties. Here, we demonstrate a versatile lanthanum-doped SrSnO3 (La-SSO) perovskite oxide nanocrystals prepared at relatively low temperatures as an efficient ETL, …
Strontium-Doped CsPbI 3 Quantum Dots as an Interfacial Layer for Efficient Inorganic Perovskite Solar Cells. Yinyan Xu, ... The resulting perovskite solar cells achieve a highly efficient power conversion efficiency of 10.32% with enhanced high open circuit V oc of 1.20 V. It is logically inferred that this approach can be a promising tool for ...
Numerical development of eco-friendly Cs2TiBr6 based perovskite solar cell with all-inorganic charge transport materials via SCAPS-1D. Optik. 2021; 225, 165765. Crossref. Scopus (171) Google Scholar. 5. ... Strontium-doped low-temperature-processed CsPbI2Br perovskite solar cells. ACS Energy Lett. 2017; 2:2319-2325. Crossref. Scopus (323)
Among the oxide perovskites, alkaline earth metal stannate (MSnO 3, M = Ca, Sr, Ba) forms a special class of materials owing to their unique structural, optical, and photovoltaic behavior (Shin et al. 2017; Kim et al. 2019).On partial substitution of ions at either or both the cationic sites, the lattice retains its perovskite structure, but generally results in the formation …
1 Introduction. Metal halide perovskites are a recent class of semiconductors that has found applications in many devices, such as solar cells [1-5] light emitting diodes (LEDs), [6, 7] photodetectors, [8, 9] X-ray detectors [] or transistors. [11-13] When made from inorganic semiconductors, such as Si or GaAs, these devices employ p and n doping to …
Multifunctional strontium titanate perovskite-based composite photocatalysts for energy conversion and other applications ... Doping SrTiO 3 with metals subsequently increases the light absorption capacity in the visible spectrum because the band gap of the semiconductor is narrowed by the creation of a d-level in the middle of the band gap ...
Photovoltaic performances of CsPbI2Br solar cells are still lower than those of hybrid inorganic–organic perovskite solar cells, and researchers are exploring ways to improve their efficiencies. Due to its higher thermal …
Cesium (Cs) metal halide perovskites for photovoltaics have gained research interest due to their better thermal stability compared to their organic–inorganic counterparts. However, demonstration of highly efficient Cs-based perovskite solar cells requires high annealing temperature, which limits their use in multijunction devices. In this work, low-temperature-processed cesium lead …
As a result, the all-inorganic perovskite solar cells (PSCs) based on 0.25% Sb^3+ doped CsPbI_2Br light absorber and screen-printable nanocarbon counter electrode achieved a power conversion efficiency of 11.06%, which is 16% higher than that of the control devices without Sb^3+ doping.
In this work, low-temperature-processed cesium lead (Pb) halide perovskite solar cells are demonstrated. We have also successfully incorporated the less toxic strontium (Sr) at a low …
However, demonstration of highly efficient Cs-based perovskite solar cells requires high annealing temperature, which limits their use in multijunction devices. In this work, low-temperature-processed cesium lead (Pb) halide perovskite solar cells are demonstrated. ... Strontium-doped low-temperature-processed CsPbI2Br perovskite solar cells ...
We show the incorporation of europium into CsPbI2Br inorganic perovskite lattice. With the optimization of the doping concentration of europium, we obtained a high power-conversion efficiency of 13.71%. We found that incorporation of europium reduces non-radiative recombination to achieve a high open-circuit voltage of 1.27 V. The exceptional stability of such …
In the present investigation, we fabricated strontium (Sr 2+) incorporated CsPbI 2 Br-based inorganic perovskite solar cells in ambient conditions. The morphology, crystallinity, absorption, elemental composition and photoluminescence analysis of the bare CsPbI 2 Br and CsPb 1-x Sr x I 2 Br perovskite thin films were studied systematically to investigate the role of …
Strontium stannate SrSnO3 (SSO) has been proposed as a promising alternative electron-transport layer (ETL) for perovskite solar cells (PSCs) due to its superior conductivity and photoelectronic…
This photo-doping method can prevent unintended oxidation and dopant-mediated degradation due to no additional aging or ion penetration. The photo-doped perovskite solar cell shows far superior operational …
Cesium (Cs) metal halide perovskites for photovoltaics have gained research interest due to their better thermal stability compared to their organic–inorganic counterparts. However, demonstration of highly efficient Cs …
Sr-doped-KNbO3 has high optical conductivity, refractive index, and energy absorption making it an appropriate material for Perovskite solar cell applications. Supercell (2 × 2 × 2) of Sr-doped ...
Perovskite solar cells were fabricated on Fluorine-doped Tin Oxide (FTO) substrates. To make it ready for TiO 2 deposition, they are washed in a soap solution, cleaned in an ultrasonic bath in ...
Europium-Doped CsPbI 2 Br for Stable and Highly Efficient Inorganic Perovskite Solar Cells. Author links open overlay panel Wanchun Xiang 1 2 7 8, Zaiwei Wang 2 7, Dominik J. Kubicki 3 4, ... Strontium-doped low-temperature-processed CsPbI 2 Br perovskite solar cells. ACS Energy Lett., 2 (2017), pp. 2319-2325.
During the past few years, organic lead halogen perovskites have emerged as a class of highly promising solar cell materials, with certified solar cell efficiencies now surpassing 20%. Concerns have, however, been …
Semantic Scholar extracted view of "Investigating the Electrical and Optical Properties of Nickle and Strontium Co-Doped CsPbBr3 Nanocrystals: Potential Absorber Material for Perovskite Solar Cells" by Saqib Ali et al.
At 10 mol% Ba doping concentration, Ba-doped perovskite solar cell had 9.72% of PCE and Sr-doped perovskite solar cell had just 0.5% of PCE. We found that Ba is …
Interfacial recombination and nonradiative recombination in inorganic CsPbIBr2 solar cells impede the device performance. Herein, surface passivation of CsPbIBr2 inorganic perovskite layers with Sr-doped CsPbI3 quantum dots (QDs), which act as an efficient interlayer to reduce interfacial recombination and enhance hole extraction as well, is reported for the first time.
Here, we have developed an interface engineering method to tune the photovoltaic performance of planar heterojunction perovskite solar cells by incorporating MAPbBr3-xIx (MA = CH3NH3) quantum...
Cesium (Cs) metal halide perovskites for photovoltaics have gained research interest due to their better thermal stability compared to their organic–inorganic counterparts. However, demonstration of highly efficient Cs-based perovskite solar cells requires high annealing temperature, which limits their use in multijunction devices. In this work, low …
Photovoltaic performances of CsPbI2Br solar cells are still lower than those of hybrid inorganic–organic perovskite solar cells, and researchers are exploring ways to improve their efficiencies. Due to its higher thermal stability in comparison with the generally studied hybrid inorganic–organic perovskites, all-inorganic CsPbI2Br has recently attracted great attention. By …
Strontium stannate SrSnO3 (SSO) has been proposed as a promising alternative electron-transport layer (ETL) for perovskite solar cells (PSCs) due to its superior conductivity and photoelectronic properties. Here, we demonstrate a versatile lanthanum-doped SrSnO3 (La-SSO) perovskite oxide nanocrystals prepared at relatively low temperatures as …
During the past few years, organic lead halogen perovskites have emerged as a class of highly promising solar cell materials, with certified solar cell efficiencies now surpassing 20%. Concerns have, however, been raised about the possible environmental and legalization problems associated with a new solar cell technology based on a water-soluble …
Organic–inorganic lead halide perovskite solar cells are considered as one of the most promising technologies for future photovoltaics because they show high power conversion efficiency (PCE) and can be fabricated through a simple solution process. Non-toxic alkaline-earth metal cations are suitable candidat
To boost, Jin-Wook et al., found that, compared to anatase, the rutile phased TiO 2 provides better features for the perovskite layer in terms of improved perovskite infiltration …
processed cesium lead (Pb) halide perovskite solar cells are demonstrated. We have also successfully incorporated the less toxic strontium (Sr) at a low
The fabricated all-inorganic perovskite solar cells (IPVSCs) having CsPb0.97Yb0.03I2Br-based champion device showed the highest 15.41% power conversion efficiency (PCE) for a small area of 0.09 ...
