Suppressing Sn2+ oxidation and rationally controlling the crystallization process of tin–lead perovskite (Sn–Pb PVK) films by suitable bonding methods have emerged as key approaches to achieving efficient and stable Sn–Pb perovskite solar cells (PSCs). Herein, the chelating coordination is performed at the top and bottom interfaces of Sn–Pb PVK films. The …
Doping amino-functionalized ionic liquid in perovskite crystal for enhancing performances of hole-conductor free solar cells with carbon electrode Chemical Engineering Journal, Volume 372, 2019, pp. 46-52
High-quality CsPbBr 3 films are deposited by dual-source coevaporation of CsBr and PbBr 2.. Evaporation rate ratio of CsBr to PbBr 2 determines the stoichiometry of CsPbBr 3 films.. Substrate heating and post annealing improve crystallinity of CsPbBr 3 films.. Planar CsPbBr 3 perovskite solar cells with high efficiency of 6.95% in small size (0.09 cm 2) and …
Therefore, the solar cell based on dual additives-treated perovskite film achieves an optimal efficiency of 20.86%, far higher than 17.11% for that without additive. Moreover, the environmental stability of the quasi two-dimensional perovskite solar cells (PSCs) is raised. The unencapsulated PSCs hold 93% of the initial efficiency after being ...
Hence, the resulting perovskite solar cell achieves an efficiency of 20.6% with notable increase in open circuit voltage (V OC) of 80 mV compared with HMII‐free cells (17.1%). More importantly ...
The morphology and photoelectric characteristics manifest that the dual additives not only significantly enlarge the crystal size of the film, but also optimize the …
The interfacial modification is crucial for achieving high efficiency and stability in perovskite solar cells (PSCs). Here, we have developed a concise and efficient dual-interface passivation strategy by incorporating mixed cations of phenylethylammonium iodide and methylammonium iodide (PEAI and MAI, denoted as PMI) at both the interfaces of the electron …
These types of solar cells are further divided into two categories: (1) polycrystalline solar cells and (2) single crystal solar cells. The performance and efficiency of both these solar cells is almost similar. The silicon based crystalline solar cells have relative efficiencies of about 13% only. 4.2.9.2 Amorphous silicon
Having examined the effects on each interface separately, it is important to explore whether both modifications can be combined in a single device. To test this, dual modified perovskite solar cells were fabricated and characterized (fig. S11). We observe that dual modified devices combine the improvements observed at each interface, resulting ...
b The fabrication processes of the dual-side function solar cell. ... D. et al. Polymer-templated nucleation and crystal growth of perovskite films for solar cells with efficiency greater than 21% ...
The ternary strategy, involving the addition of a third component (donor or acceptor) to a binary system to fabricate ternary organic solar cells (TSCs), offers a simple and effective solution to overcome the shortcomings of BSCs [16], [17].A suitable third component can extend the absorption range of the active layer, thus increasing the J SC value; in addition, it …
The solar cell with dual additives presents larger IPCE in the visible range than that without additive. The integrated J sc of the PSCs without additive calculated from the IPCE is 20.68 mA/cm 2. After addition of single urea and single MOAH, the integrated J sc of the solar cells increases to 21.60 mA /cm 2 and 21.48 mA /cm 2, respectively
Formamidinium lead triiodide (FAPbI 3) perovskite solar cells (PSCs) with a certified 25.5% power conversion efficiency (PCE) are the most promising devices for next-generation of solar cells.Here, we focus on boosting the performance and stability of these types of PSCs through a two-step engineering method, first additive engineering based on propionic …
The past decade has witnessed the rapid development of perovskite solar cells, with their power conversion efficiency increasing from an initial 3.8% to over 26%, approaching the Shockley-Queisser (S-Q) limit for single-junction solar cells. Multijunction solar cells have garnered significant attention due to their tremendous potential to surpass the S-Q limit by …
In summary, dual interfacial modification of SAM-based inverted PSC was achieved by in-situ formation of 1D perovskite ... His research has been focused on the development of highly efficient and stable perovskite solar cells by material design, crystal growth, and organic/inorganic interface engineering. Kang Zhou obtained his Ph.D. degree …
Inorganic crystalline silicon solar cells account for more than 90% of the market despite a recent surge in research efforts to develop new architectures and materials such as organics and perovskites. The reason why most commercial solar cells are using crystalline silicon as the absorber layer include long-term stability, the abundance of silicone, relatively …
The open-circuit voltage (V OC) loss for wide-bandgap (WBG) perovskite solar cells (PSCs) is a significant obstacle to their further development.Herein, we introduce a dual approach involving mixed potassium thiocyanate and potassium chloride (KSCN+KCl) additives combined with 2-thiophene methylamine iodine (2-ThMAI) post-passivation strategy to mitigate …
Therefore, the solar cell based on dual additives-treated perovskite film achieves an optimal efficiency of 20.86%, far higher than 17.11% for that without additive. Moreover, the environmental stability of the quasi two-dimensional perovskite solar cells (PSCs) is raised. The unencapsulated PSCs hold 93% of the initial efficiency after being placed under …
Metal halide perovskite solar cells (PSCs) are one of the most promising photovoltaic devices. Over time, many strategies have been adopted to improve PSC efficiency, and the certified efficiency has reached 26.1%. However, only a few research groups have fabricated PSCs with an efficiency of >25%, indicating that achieving this efficiency remains uncommon.
J–V curves of the perovskite solar cells were measured with a Keithley 2400 source meter under simulated one-sun illumination from a dual light source simulator (WXS-90S-L2, Wacom). The light ...
All-perovskite tandem photovoltaics, constructed using multiple perovskite layers deposited on top of each other, are of particular interest because they permit more efficient use of …
Our proposed CdTe/Si dual-junction solar cell comprises a basic CdTe solar cell structure (n-CdS/p-CdTe) as the top cell that is connected to a Si bottom cell (n-Si/p-Si) via a p++ ZnTe/n++ AZO ...
A thin-film solar cell with dual photonic crystals has been proposed, which shows an advanced light-trapping effect and superior performance in ultimate conversion efficiency (UCE). The shapes of …
It has been proven that dual-active-site passivation is more effective than single-site passivation in mitigating surface defects of carbon-based perovskite solar cells (C-PSCs). Therefore, it is imperative to explore new agents capable of inducing dual-active-site passivation effect. This work strategically employs potassium laurate (KLA) as a surface passivating agent, …
This work reports the optimization of tandem solar cells with a CIGS solar cell as the bottom cell and a 2D–3D perovskite solar cell (PSC) as the top cell via numerical simulations using SCAPS-1D. The performances of …
Lateral-structured perovskite solar cells are easily integratable for large modules but suffer from less impressive efficiency compared to the sandwich-structured counterparts. Here Song et al ...
All-inorganic CsPbBr3 perovskite quantum dots (PQDs) are promising candidates in perovskite solar cells (PSCs) due to its excellent stability. However, the large bandgap of PQDs and expensive materials of hole transport materials (HTMs) and noble metal proposed a major obstacle to promoting the further development of PSCs. Herein, a promising method …
We report organic solar cells with a photonic crystal nanostructure embossed in the photoactive bulk heterojunction layer, a topography that exhibits a 3-fold enhancement of the absorption in specific regions of the solar spectrum in part through multiple excitation resonances. The photonic crystal geometry is fabricated using a materials-agnostic process called PRINT …
Tandem solar cells (TSCs) offer a route to increasing the PCE by stacking solar cells to capture more of the incident sunlight and convert it into electrical power. By …
Meanwhile, the ITC method was used to growth perovskite SC with dual-cation and mixed iodide–bromide compositions: ... which is the actual record efficiency for perovskite single-crystal solar cells. Lateral Devices. One of the first works proposing the preparation of a lateral device using perovskite as absorbing materials goes back to 2016 and was proposed by Dong et al. …
Boosting solar cell efficiency is crucial for accelerating the transition to a renewable energy system. Despite the promise of perovskite/perovskite/silicon triple-junction cells for higher efficiencies than …
The multi-junction solar cell (MJSC) devices are the third generation solar cells which exhibit better efficiency and have potential to overcome the Shockley–Queisser limit (SQ limit) of 31–41% [].Mostly the MJSCs are based on multiple semiconducting materials, and these semiconductors are stacked on top of each other having different energy gaps, which is similar …
Crystal structure of CH 3 NH 3 PbX 3 perovskites (X=I, Br and/or Cl). The methylammonium cation (CH 3 NH 3 +) is surrounded by PbX 6 octahedra. [13]The name "perovskite solar cell" is derived from the ABX 3 crystal …
In summary, we present a simple process to obtain wide bandgap perovskite solar cells via dual-source vacuum deposition. This is possible when a mixed bromide/iodide lead precursor is pre-formed and sublimed as a single component. The bandgap of the perovskite can be simply tuned by changing the bromide content in the precursor compound. The MAPb(I …
Efficient and stable ternary organic solar cells using liquid crystal small molecules with multiple synergies ACS Appl Energy Mater, 5 ( 10 ) ( 2022 ), pp. 12809 - 12816, 10.1021/acsaem.2c02395 View in Scopus Google Scholar
A dual-junction solar cell with a band gap of 1.6–1.8 eV as a top cell can reduce thermalization loss, ... Multicrystalline silicon solar cells, due to poorer crystallographic quality, are less effective than single crystal solar cells, but …
The defects at the perovskite/carrier transport layer interface pose significant challenges to the performance of perovskite solar cells. Here, the authors introduce a dual host-guest complexation ...
A liquid crystal small molecule donor BTR-Cl, which has strong self-assembly and crystallinity, is used as the third component to construct nonfullerenes ternary solar cells together with a broad-band donor polymer …
Formamidinium lead iodide (FAPI) has gained attention for hybrid perovskite solar cell (PSC) applications due to its enhanced stability and narrow bandgap. However, a …
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