One important trend to achieve PCEs >20% has been the usage of more complex perovskite compositions, ranging from double-cation (MAFA or CsFA) (7–9) and triple-cation (CsMAFA) to Rb-modified perovskites (5, 10–12).FA is used as the majority cation in almost all current high-efficiency PSCs because FA, compared with MA, is thermally more stable (8, …
One important trend to achieve PCEs >20% has been the usage of more complex perovskite compositions, ranging from double-cation (MAFA or CsFA) (7–9) and triple-cation (CsMAFA) to Rb-modified perovskites (5, 10–12).FA is used as the majority cation in almost all current high-efficiency PSCs because FA, compared with MA, is thermally more stable (8, …
The use of a thin layer of zinc oxide nanoparticles as an electron-transport layer allows flexible perovskite solar cells to be fabricated with a power conversion efficiency as high as 15.7%.
Lead halide perovskite owns charge diffusion length in micrometer range, which makes the planar-structure solar cells possible. The simple and low-temperature process of planar devices makes it very promising. The power conversion efficiency of planar perovskite solar cells has increased from 1.8% to 23.7% in past several years, which can ...
Solar cell devices were prepared with a planar structure configuration and annealed at one of three different temperatures (105, 115, or 125 °C) in either N 2 or ambient air. For all temperatures, the average efficiencies for the devices annealed in air are higher than those annealed in dry N 2. The highest efficiency achieved for air-annealed ...
J−V hysteresis effects. In this Account, we will provide a comprehensive comparison of the mesoporous and planar structures, and also the regular and inverted of planar structures. Later, we will focus the discussion on the development of the inverted planar structure of perovskite solar cells, including film growth, band alignment ...
Here the authors construct a planar p–n homojunction perovskite solar cell to promote the oriented transport of carriers and reduce recombination, thus enabling power conversion efficiency of 21.3%.
Metal halide perovskite solar cells (PSCs) have attracted extensive research interest for next-generation solution-processed photovoltaic (PV) devices because of their high solar-to-electric power conversion efficiency (PCE) and low fabrication cost (1–4).The top-performing PSCs, which have reached a certified PCE of 22.1%, have relied on high …
In recent years, there has been an exponential rush toward the optimization of solar cell (SC) performance utilizing novel materials. Overcoming the previous drawbacks of the SCs became possible through the special merits of the new materials, considering their high carrier mobility, environmental stability, and fabrication compatibility. In this study, two solar …
Methylammonium chloride as an interface modificator for planar-structure perovskite solar cells with a high open circuit voltage of 1.19V Author links open overlay panel Xiaofei Hu, Huaxin Wang, Yuansong Ying, Ming Wang, Cong Zhang, Yanqiao Ding, Haiyun Li, Wei Li, Shuangyi Zhao, Zhigang Zang
Low temperature solution processed planar-structure perovskite solar cells gain great attention recently, while their power conversions are still lower than that of high temperature mesoporous counterpart. Previous reports are mainly focused on perovskite morphology control …
Lead halide perovskite solar cells (PSCs) have been rapidly developed in the past decade. Owing to its excellent power conversion efficiency with robust and low-cost fabrication, perovskite quickly becomes one of the most promising candidates for the next-generation photovoltaic technology. With the development of PSCs, the interface engineering …
The layers of this cell must be deposited on a textured silicon substrate to shape the presented light trapping structure.This structured solar cell, unlike the planar structures, should be built ...
Compared with the mesoporous-structured PSCs that include a scaffold layer, the planar PSCs have the advantages of simple construction, easy and low-temperature …
Inorganic–organic hybrid perovskite solar cells research could be traced back to 2009, and initially showed 3.8% efficiency. After 6 years of efforts, the efficiency has been pushed to 20.1%.
In this work, the SCAPS-1D solar cell simulation software was used to model, simulate and track perovskite solar cells (PSCs) with planar structure, in a confined mode arrangement (FTO/TiO/CH 3 NH 3 PbI 3 /CH 3 NH 3 GeI 3 /CH 3 NH 3 SnI 3 /CuO 2).Different compositions, absorber thickness, electron affinity, and absorber doping concentration were …
For planar structure solar cells, ... Solid state CuSCN hole conductor was used as HTM for reducing the device cost. A planar solar cell fabricated with CH 3 NH 3 PbI 3 perovskite infiltrated SnO 2 showed a power conversion efficiency of 8.38% with short-circuit current density of 18.99 mA cm −2, an open-circuit voltage of 0.96 mV and a fill ...
The certificated efficiency for small size shows the efficiency of 20.9%, which is the highest efficiency ever recorded in planar-structure perovskite solar cells, showing the planar-structure perovskite solar cells …
Obtaining a well‐accurate vertical distribution active layer morphology through the air‐printing process is an essential task for achieving efficient scalable large‐area organic solar cells (OSCs). In this target, the desired and controllable pseudo planar heterojunction (PPHJ) active layer structure with suitable phase separation is developed by pre‐deposited …
Our optimized planar solar cell using such a Sn-doped TiO 2 ETL has achieved power conversion efficiency (PCE) of 17.2%, which was almost 29.3% higher than that of sample using the undoped TiO 2. To the best of our knowledge, this is the lowest processing temperature for Sn-dope TiO 2 film at present, which provides an effective route towards ...
Planar heterojunction perovskite solar cells based on formamidinium-lead-iodide (FAPbI 3) perovskites is a promising photovoltaic technology 1,2,3,4,5,6,7,8,9,10,11,12.State-of-the-art devices are ...
Perovskite materials can revolutionize the solar energy industry due to their unique features and most importantly, the efficiency of perovskite solar cell (PSC) has been enhanced to above 21% (with TiO 2 mesoporous structure) within few years. There are increasing studies focusing on the area of planar structures (n-i-p and p-i-n) of PSC because …
Here, we carry a comparative study of planar and mesoporous perovskite solar cells with carbon electrodes. The device efficiency is significantly reduced from 11.37% to 5.27% when the mesoporous TiO 2 film is removed from the device structure. Compared with the planar device, smaller carrier transport resistance and bigger carrier recombination ...
Recently, inverted perovskite solar cells (IPSCs) have received note-worthy consideration in the photovoltaic domain because of its dependable operating stability, minimal hysteresis, and low-temperature manufacture technique in the quest to satisfy global energy demand through renewable means. ... regular planar structure, and inverted planar ...
The planar array structures have simple processing characteristics and can be integrated onto electric circuits for advanced optoelectronics. Benefiting from the structural characteristics, planar perovskite arrays can be widely applied in fields such as semitransparent solar cells, micro-LEDs, and image sensors.
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