These results shed light on the origin of open-circuit voltage in perovskite solar cells, and provide a path to further increase their efficiency. Ongoing efforts are devoted to raising the ...
The open-circuit voltage deficit is one of the main limiting factors for the further performance improvement in planar structured perovskite solar cells. In this work, we elaborately develop chlorine binding on the surface of tin oxide electron transport layer for a high open-circuit voltage device (1.195 V). The chlorine passivation on SnO2 not only …
CsPbI2Br is an attractive photovoltaic material due to its promising optoelectronic properties. However, the corresponding perovskite solar cells (PSCs) with p-i-n configuration suffer from low open-circuit voltage (VOC) and fill factor (FF), limiting their application in tandem solar cells. Here, we propose using the fullerene ICBA as the …
The emergence of all-inorganic antimony (Sb)-based perovskite-inspired solar cells (PISCs) has attracted much attention due to their good stability and non-toxicity compared with lead (Pb)-based …
Wide-bandgap mixed-halide perovskite solar cells (WBG-PSCs) are promising top cells for efficient tandem photovoltaics to achieve high power conversion efficiency (PCE) at low cost. However, the open-circuit voltage (VOC) of WBG-PSCs is still unsatisfactory as the VOC-deficit is generally larger than 0.45 V. Herein, we report a …
In a recent paper published in Energy & Environmental Science, Ávila et al. report a fully vacuum-processed dual-junction CH3NH3PbI3/CH3NH3PbI3 tandem solar cell featuring an unprecedently high open-circuit voltage of 2.30 V. This work demonstrates the promise of vacuum-based process for fabricating light-weight and …
Physics of Perovskite Solar Cells: Efficiency, Open‐Circuit Voltage, and Recombination. Abstract: Summary. In this chapter, we aimed to give an illustrative introduction into …
Our best device shows an open circuit voltage (V OC) of 2.86 V, which is higher than previously reported values for perovskite/perovskite/silicon triple-junction solar cells, a fill factor (FF) of 78%, a short-circuit current density (j SC) of 8.9 mA/cm 2, and a …
High-performance hybrid perovskite solar cells with open circuit voltage dependence on hole-transporting materials Author links open overlay panel Weibo Yan a, Yunlong Li a, Yu Li b, Senyun Ye a, Zhiwei Liu a, Shufeng Wang b, Zuqiang Bian a, Chunhui Huang a
Key photovoltaic parameters of the devices are tabulated in Table 1.A digital photograph of the fabricated solar cell devices is shown in Fig. S1e g. 1 a depicts the current density (J) vs applied voltage (V) curve of the SPP and SDP-based solar cells. Fig. 1 b shows the IPCE spectra of the two devices along with their integrated current, …
Growth of 2D passivation layer in FAPbI 3 perovskite solar cells for high open-circuit voltage Author links open overlay panel Jin Wang a b 1, Le Liu a 1, Siqi Chen a, Guangliu Ran c, Wenkai Zhang c, Min Zhao a, Chengjie Zhao a, Fushen Lu b, Tonggang Jiu a, Yuliang Li d
This work reports on Sn-Pb binary metal inorganic perovskites as narrow-bandgap absorbers for integrated 4-terminal all-inorganic perovskite tandem solar cells (TSCs). A series of Sn-Pb …
Perovskite solar cells (PSCs) have made incredibly fast progress in the past years, with the efficiency approaching 26%, which is comparable to those of the best silicon solar cells. One of the features of PSCs that make them stand out among all …
The PCE increases from 9.78% to 13.73%, and the open-circuit voltage increases from 1.23 to 1.32 V, which is one of the superior performances reported for the carbon-based pure CsPbI 2 Br perovskite …
Perovskite solar cells based on series of inorganic cesium lead bromide and iodide mixture, CsPbBr3-xI x, where x varies between 0, 0.1, 0.2, and 0.3 molar ratio were ...
These results shed light on the origin of open-circuit voltage in perovskite solar cells, and provide a path to further increase their efficiency.
Because open-circuit voltage deficit is greater in wide-bandgap perovskite solar cells, the authors introduce diammonium molecules to modify perovskite surface …
We report on the preparation of MAPbBr3 perovskite films of high electronic quality by applying a methylamine (MA) vapor treatment and mitigating surface defects using the amphiphilic molecular …
<p indent="0mm">Wide-bandgap mixed-halide perovskite solar cells (WBG-PSCs) are promising top cells for efficient tandem photovoltaics to achieve high power conversion efficiency (PCE) at low cost. However, the open-circuit voltage (<italic>V</italic><sub>OC</sub>) of WBG-PSCs is still unsatisfactory as the …
The severe nonradiative recombination losses limit the further improvement of open-circuit voltage (V oc) and power conversion efficiency (PCE) of perovskite solar cells (PVSCs) this work, the 4,4′-cyclohexylidenebis [N,N-bis(4-methylphenyl) benzene amine] is dissolved into the antisolvent to prepare perovskite …
This chapter serves as an introduction to the general working principles of solar cells. It starts from the thermodynamics of terrestrial solar cells and fundamentals of semiconductor-based photovoltaics, where the theoretical limits of efficiency and open-circuit voltage ...
High-efficiency organic–inorganic hybrid perovskite solar cells have experienced rapid development and attracted significant attention in recent years. However, instability to an ambient environment such as moisture is …
In this work, we demonstrate how the incorporation of molecular dipoles into the bathocuproine (BCP) hole-blocking layer of inverted perovskite solar cells improves the device open-circuit …
Stolterfoht, M. et al. Voltage-dependent photoluminescence and how it correlates with the fill factor and open-circuit voltage in Perovskite solar cells. ACS Energy Lett. 4, 2887–2892 (2019).
The energy loss of all-inorganic metal halide perovskite solar cells is large, which reduces the open-circuit voltage and photoelectron conversion efficiency of the device. Herein, it is found that the cathode electron transfer speed is much lower than the anode hole ...
In this chapter, we aimed to give an illustrative introduction into the physics of solar cells without going into too much detail as those are discussed in solar cell textbooks. Instead, …
Many studies have shown that the severe photoluminescence quantum yield (PLQY) loss at the interface between the perovskite and electron transport layer (ETL) is the main cause of voltage loss in inverted perovskite solar cells (p–i–n PSCs). However, currently there are no effective in situ passivation techn
Tin halide perovskites are promising materials for real-world photovoltaic applications, and there is large room for their performance to grow. We improved energy-level alignment between the perovskite and electron transport layers by introducing 4-fluorophenethylamine hydrobromide as an interfacial dipole. Thus, the open-circuit …
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