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High-efficiency ultrathin flexible organic solar cells with a bilayer …
To the best of our knowledge, this is one of the highest efficiencies among all ITO-based ultrathin OSCs. Furthermore, the best-performing ultrathin OSCs show …
Mesoporous TiO2 layer suppresses ion accumulation in perovskite solar cells …
Ion accumulation in perovskite solar cells can be highly suppressed by a mesoporous TiO2 layer. This is evidenced by the decrease of the ion-related electrostatic potential with increasing the thickness of the mesoporous layer, accounted for by the electron population in the shallow trap states of the TiO2 n
Improving interface quality for 1-cm2 all-perovskite tandem solar …
All-perovskite tandem solar cells provide high power conversion efficiency at a low cost1–4. Rapid efficiency improvement in small-area (<0.1 cm2) tandem solar …
High-efficiency organic solar cells with low non-radiative …
An organic solar cell designed with minimal energetic disorder exhibits very low energy loss due to non-radiative recombination and highly efficient operation.
Recent progress in perovskite solar cells: from device to …
Perovskite solar cells (PSCs) are undergoing rapid development and the power conversion efficiency reaches 25.7% which attracts increasing attention on their commercialization …
Thick Active‐Layer Organic Solar Cells†
Organic solar cells (OSCs) present a promising renewable energy technology due to their cost-effectiveness, adaptability, and lightweight nature. The advent of non-fullerene acceptors has further boosted their significance, allowing for power conversion efficiencies surpassing 19% even with an active layer thickness of about 100 nm.
Mobile iodides capture for highly photolysis
and reverse-bias-stable perovskite solar cells
Perovskite seeding growth of formamidinium-lead-iodide-based perovskites for efficient and stable solar cells …
Perovskite seeding growth of formamidinium-lead-iodide ...
Transporting holes stably under iodide invasion in efficient perovskite solar cells …
Highly efficient halide perovskite solar cells generally rely on lithium-doped organic hole transporting layers that are thermally and chemically unstable, in part because of migration of iodide anions from the perovskite …
Molecular engineering of hole-selective layer for high band gap perovskites for highly efficient and stable perovskite-silicon tandem solar cells
Article Molecular engineering of hole-selective layer for high band gap perovskites for highly efficient and stable perovskite-silicon tandem solar cells Guoliang Wang,1,2,9 Jianghui Zheng,1,2,3,4,9,* Weiyuan Duan,5,9 Jiong Yang,6,9 Md Arafat Mahmud,1,2 Qing Lian,7 ShiTang,1,2 ChwenhawLiao,1,2 JuemingBing,1,2 JianpengYi,1,2 Tik Lun Leung,1,2 …
Work function tuning of a weak adhesion homojunction for stable perovskite solar cells
In this work, we reveal the existence of a built-in potential at the homojunction interface of the perovskite film near the electron-transporting SnO2 layer. Adjusting the energy-level alignment at this interface is found to play a critical role in mitigating ion migration, which eventually enhances photovoltaic performance and stability.
Charge carrier recombination dynamics in a bi-cationic perovskite solar cell …
The compositional engineering is of great importance to tune the electrical and optical properties of perovskite and improve the photovoltaic performance of perovskite solar cells. The exploration of the corresponding photoelectric conversion processes, especially the carrier recombination dynamics, will contribute to the optimization of the …
Stabilizing Perovskite Solar Cells to IEC61215:2016 Standards …
The stability of perovskite solar cells (PSCs) has been considered as the largest obstacle to their commercialization. Herein, we observed that the main failure mechanism for MAPbI 3 perovskite is the escape of methylammonium (MA) iodide at the grain boundaries in an open space or the reconstruction of crystal in a confined small …
Iodine-trapping strategy for light-heat stable inverted perovskite solar cells …
It''s a big challenge for perovskite solar cells (PSCs) to realize operational stability simultaneously under light and heat conditions according to the International Summit on Organic Photovoltaic Stability (ISOS). One key reason lies in that light-induced iodine in perovskite will escape under heat conditio
A unified description of non-radiative voltage losses in organic solar cells
Organic solar cells based on non-fullerene acceptors have enabled high efficiencies yet their charge ... (LSH-7320 ABA LED solar simulator) with an intensity of 1,000 W m −2 after spectral ...
Damp heat–stable perovskite solar cells with tailored …
A stabilized PCE performing like a commercial c-Si solar cell (PCE ~20%) would need to pass a damp-heat test for >1000 hours with <5% relative loss in PCE (3, …
High fill factor organic solar cells with increased dielectric …
Organic bulk heterojunction solar cells (BHJ-OSCs) with non-fullerene acceptors (NFAs) have experienced their second golden age, receiving skyrocketing …
High-efficiency ITO-free polymer solar cells using highly conductive PEDOT:PSS/surfactant bilayer transparent anodes
By spin-coating a surfactant layer, glycerol monostearate (GMS) atop poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) film, a PEDOT:PSS/ surfactant bilayer film was prepared facilely for the first time and applied as the transparent anode for high-efficiency ITO-free bulk heterojunction polymer solar cell (BHJ-PSC) …
Improving interface quality for 1-cm2 all-perovskite tandem solar cells …
Improving interface quality for 1-cm2 all-perovskite tandem ...
Over 17% Efficiency Binary Organic Solar Cells with …
Nonfullerene acceptors (NFAs) have played an important role in the development of organic solar cells. However, the optical absorption of most NFAs is limited within 600–900 nm, prohibiting further …
Groundbreaking solar panels are 1000x more powerful than …
Researchers at Martin Luther University Halle-Wittenberg (MLU) have discovered a new method to increase the efficiency of solar cells by a factor of 1,000. The team of scientists achieved this breakthrough by creating crystalline layers of barium titanate, strontium titanate, and calcium titanate, which were alternately placed on top of …
High efficiency all-polymer tandem solar cells | Scientific Reports
In this work, we have reported for the first time an efficient all-polymer tandem cell using identical sub-cells based on P2F-DO:N2200. A high power conversion efficiency (PCE) of 6. ...
Effects of energetic disorder in bulk heterojunction organic solar cells
Organic solar cells (OSCs) have progressed rapidly in recent years through the development of novel organic photoactive materials, especially non-fullerene acceptors (NFAs). Consequently, OSCs based on state-of-the-art NFAs have reached significant milestones, such as ∼19% power conversion efficiencies (PCEs
Highly efficient p-i-n perovskite solar cells that endure …
We demonstrated p-i-n perovskite solar cells with a record power conversion efficiency of 24.6% over 18 square millimeters and 23.1% over 1 square centimeter, which retained 96 and 88% of the efficiency after 1000 hours of 1-sun maximum power point tracking
Multifunctional Enhancement for Highly Stable and Efficient Perovskite Solar Cells …
Unfortunately, serious instability issues must be resolved before perovskite solar cells (PSCs) are commercialized. Aided by theoretical calculation, an appropriate multifunctional molecule, 2,2-difluoropropanediamide (DFPDA), is selected to ameliorate all the instability issues.
Single-junction organic solar cells with over 19% efficiency …
Organic semiconductors offer the advantage of high optical absorption and tunable energy levels, enabling thin-film solar cells with high light-to-electron conversion …