نتایج جستجو برای: quantum dot solar cell
تعداد نتایج: 2079047 فیلتر نتایج به سال:
We report the charge transfer dynamics for CdSe quantum dot (QD) sensitized solar cells. The effect of QD sensitization mode in recombination kinetics has been measured and their implications in solar cell performance analyzed.
Articles you may be interested in Proposal of high efficiency solar cells with closely stacked InAs/In0.48Ga0.52P quantum dot superlattices: Analysis of polarized absorption characteristics via intermediate–band Appl. Optimization of growth conditions of type-II Zn(Cd)Te/ZnCdSe submonolayer quantum dot superlattices for intermediate band solar cells Influence of wetting layers and quantum dot s...
In this paper, the purpose is to improve the efficiency of triple-junction solar cell by introducing quantum well into GaAs junction. Firstly, InGaP/GaAs/InGaAs triple-junctions solar cell has been simulated. Then, a multiple stepped quantum wells (MSQWs), in which InGaAs well is sandwiched by InGaAsP as stepped layer, and the barrier is GaAs, has been introduced into intrinsic region of single...
Photoanode passivation, electrolyte additives and electrocatalytic high surface area counter electrodes control the liquid junction quantum dot solar cell (QDSC) performance.
Hybrid colloidal quantum dot (CQD) solar cells are fabricated from multilayer stacks of lead sulfide (PbS) CQD and single layer graphene (SG). The inclusion of graphene interlayers is shown to increase power conversion efficiency by 9.18%. It is shown that the inclusion of conductive graphene enhances charge extraction in devices. Photoluminescence shows that graphene quenches emission from the...
ضخامت لایۀ نقاط کوانتومی و نیمهرسانای شفاف با شکاف بزرگ، میزان ناخالصی لایۀ نقاط کوانتومیو نوع فلز آند از جمله عوامل تأثیرگذار بر بازدهِ سلولهای خورشیدی نقطۀ کوانتومی ناهمجنس (HQDSC) میباشند. در این مقاله با استفاده از نرمافزار کامسول نسخه 4/5، ابتدا سلولی شامل یک لایه از نقاط کوانتومی سولفید سرب (PbS) پوشیده از لیگاندهای کوتاه و یک لایه نیمهرسانای اکسید روی (ZnO) و آندی از جنس طلا شبیهسا...
In response to rapidly increasing global energy demand, the development of alternative energy sources to fossil fuels has emerged as one of the most urgent technological challenges. Solar energy, which represents a nearly unlimited source of clean power, has been considered as one of the most promising new energy sources. In addition to the current success of silicon based solar cells, quantum ...
In this work, four-terminal (4T) tandem solar cells were fabricated by using a methylammonium lead iodide (MAPbI3) perovskite cell (PSC) as the front-cell and sulfide (PbS) colloidal quantum dot (CQDSC) back-cell.
Related Articles Fabrication and photoluminescence of SiC quantum dots stemming from 3C, 6H, and 4H polytypes of bulk SiC Appl. Phys. Lett. 101, 131906 (2012) Anomalous temperature dependence of photoluminescence in self-assembled InGaN quantum dots Appl. Phys. Lett. 101, 131101 (2012) Optical properties of multi-stacked InGaAs/GaNAs quantum dot solar cell fabricated on GaAs (311)B substrate J....
A quantum dot sensitized solar cell based on a porous ZrO(2) film, sensitized with CdSe quantum dots using CdS as an intermediate layer is presented. We observe electron injection from photo-excited quantum dots into the ZrO(2), which is unexpected due to the much higher conduction band edge (closer to the vacuum level) of bulk ZrO(2) compared to TiO(2).
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