Our Energy Storage Solutions
Discover our range of innovative energy storage products designed to meet diverse needs and applications.
- All
- Energy Cabinet
- Communication site
- Outdoor site
Bandgap Engineering and Enhancing Optoelectronic …
Reducing the bandgap is crucial in solar cells as it enhances the absorption of photons within the solar spectrum. This enhancement results in a higher photocurrent production …
Solar-driven carbon dioxide reduction: a review of recent …
22 · This review provides a comprehensive analysis of the rapidly evolving field of solar-driven carbon dioxide (CO2) conversion, focusing on recent developments and future prospects. While significant progress has been made in understanding the fundamental mechanisms of photocatalytic (PC), photoelectrocatalytic, photobiocatalytic, and …
Rational heterostructure stacking enables 23% wide-bandgap perovskite solar cells …
Wide-bandgap (WBG) perovskite solar cells (PSCs) attract intensive attention because of their high tandem compatibility and versatile application scenarios. However, severe interfacial non-radiative recombination of mixed-ion WBG perovskite films was caused by complex defect types and phase impurities, leadi
A detailed study on loss processes in solar cells
Fig. 2 shows the energy distributions of a c-Si solar cell and a C-P solar cell. Fig. 3 illustrates the efficiencies of ideal solar cells varying with the bandgap E g only considering the intrinsic losses at different concentration ratios. In Fig. 3, the three lines distinguish with each other obviously at the bandgaps lower than about 2.0 eV, which is …
Bandgap reduction and efficiency enhancement in Cs2AgBiBr6 double perovskite solar cells …
Bandgap reduction and efficiency enhancement in Cs2AgBiBr6 double perovskite solar cells through gallium substitution February 2024 RSC Advances 14(8):5440-5448
Triple-junction solar cells with cyanate in ultrawide-bandgap …
Drawing inspiration from III–V multijunction solar cells, the incorporation of an ultrawide-bandgap (UWBG) perovskite with a bandgap above 1.90 eV into a triple …
Highly Efficient Wide Bandgap Perovskite Solar Cells With …
Since wide bandgap solar cells (optimum bandgap ≈1.9 eV) can take the most benefit in harvesting indoor light, [] we tested our devices under indoor light conditions. Figure 4e displays the J–V characteristics of the champion devices, comparing both …
Additive and interface passivation dual synergetic strategy enables reduced voltage loss in wide-bandgap perovskite solar cells …
On the basis of UV–vis results, the optical bandgap of FA 0.8 Cs 0.2 Pb(I 0.6 Br 0.4) 3 perovskite is obtained with about 1.79 eV, which is the best bandgap range for the WBG top sub-cell of tandem solar cells [11], [47].
Trans-polyacetylene doped Cs2AgBiBr6: Band gap reduction for high-efficiency lead-free double perovskite solar cells …
Among several kinds of available solar cells, perovskite solar cells (PSCs) are positioned as a prospective breakthrough along this line as photovoltaic (PV) cells [1], [2], [3]. PV devices, which transform solar energy into electricity, are viable options for mitigating carbon emissions, concurrently offering an alternative approach to fulfill the …
Band gap tuning of perovskite solar cells for enhancing the …
Band gap tuning of perovskite solar cells for enhancing the efficiency and stability: issues and prospects Md. Helal Miah ab, Mayeen Uddin Khandaker * ac, Md. Bulu Rahman b, Mohammad Nur-E-Alam de and Mohammad Aminul Islam f a Applied Physics and Radiation Technologies Group, CCDCU, School of Engineering and Technology, Sunway …
Bandgap reduction and efficiency enhancement in Cs2AgBiBr6 double perovskite solar cells …
Lead-free halide double perovskite (LFHDP) Cs2AgBiBr6 has emerged as a promising alternative to traditional lead-based perovskites (LBPs), offering notable advantages in terms of chemical stability and non-toxicity. However, the efficiency of Cs2AgBiBr6 solar cells faces challenges due to their wide bandgap (Eg). A
Effect of Doping, Photodoping, and Bandgap Variation on the Performance of Perovskite Solar Cells
The decrease in J sc and increase in V oc with E gH and β leads to a decrease in solar cell efficiency η (%) as compared to the efficiency of the single bandgap thin film device with a lower bandgap E gL (see Figure S3c,d).
Rational heterostructure stacking enables 23% wide-bandgap perovskite solar cells …
Wide-bandgap (WBG) perovskite solar cells (PSCs) attract intensive attention because of their high tandem compatibility and versatile application scenarios. However, severe interfacial non-radiative recombination of mixed-ion WBG perovskite films was caused by complex defect types and phase impurities, leading to deteriorated device performance …
High-performance ternary solar cells by introducing a medium bandgap acceptor with complementary absorption, reducing …
Owing to the relentless march of technology of non-fullerene acceptors (NFAs), ternary organic solar cells (TOSCs) are demonstrating impressive power conversion efficiencies (PCEs). More efficient boosting needs to be achieved in reducing the energy loss (Eloss) and enhancing the operational lifespan of TOSC
Bandgap engineering of two-dimensional semiconductor …
Bandgap engineering of two-dimensional semiconductor ...
Band gap tuning of perovskite solar cells for enhancing the …
The intriguing optoelectronic properties, diverse applications, and facile fabrication techniques of perovskite materials have garnered substantial research interest worldwide. Their outstanding performance in solar cell applications and excellent efficiency at the lab scale have already been proven. However, owing
Effect of sub-bandgap defects on radiative and non-radiative …
The efficiency of perovskite solar cells is affected by open-circuit voltage losses due to radiative and non-radiative charge recombination. Here, authors report …
Redox mediator-stabilized wide-bandgap perovskites for …
These effects enable wide-bandgap perovskite solar cells to achieve a power conversion efficiency of 19.58% and a high open-circuit voltage of 1.35 V for 1.81 …
High‐Performance Flexible All‐Perovskite Tandem Solar Cells with Reduced VOC‐Deficit in Wide‐Bandgap …
By employing a holistic optimization strategy to reduce the VOC-deficit of the 1.77 eV wide-bandgap perovskite solar cells, the first proof-of-concept four-terminal all-perovskite flexible tandem sol...
Enhancing Ultraviolet Stability and Performance of Wide Bandgap Perovskite Solar Cells …
In this work, to realize efficient and stable p–i–n wide bandgap solar cells under UV, a synergetic strategy utilizing UV light-absorbing passivator, (Trifluoroacetyl) benzotriazole (TFABI), enhance UV photostability and regulate the defect passivation is …
Enhancing CdTe Solar Cell Performance by Reducing the "Ideal" Bandgap …
Enhancing CdTe Solar Cell Performance by Reducing the "Ideal" Bandgap of CdTe through CdTe1-xSex Alloying Jingxiu Yang 1,2 and Su-Huai Wei 2* 1 Department of Materials Science and Engineering, Jilin Jianzhu University, Changchun, 130118, China 2 Beijing Computational Science Research Center, Beijing, 100193, China ...
Next-generation applications for integrated perovskite solar cells
Next-generation applications for integrated perovskite solar ...
Effect of sub-bandgap defects on radiative and non-radiative open-circuit voltage losses in perovskite solar cells …
Effect of sub-bandgap defects on radiative and non ...
Highly Efficient Wide Bandgap Perovskite Solar Cells With …
Reducing non-radiative recombination and addressing band alignment mismatches at interfaces remain major challenges in achieving high-performance wide-bandgap perovskite solar cells. This study proposes the self-organization of a thin two-dimensional (2D ...
Bandgap-universal passivation enables stable perovskite solar cells …
Surface passivation by vapor-deposited aminosilane molecules can reduce the voltage photodeficit of perovskite solar cells to near the theoretical limit and also improve stability. Lin et al. found that a primary- and secondary-amine based silane, [3-(2-aminoethylamino)propyl]trimethoxysilane, improved the photoluminescent quantum yield …
Perovskite silicon tandem solar cells with an optimum …
Stacking two solar cells on top of each other, the top cell — with a high band gap material — utilizes high energy photons while the silicon bottom cell utilizes low energy photons. An ideal candidate for the …