This page presents the lecture videos and associated slides from the Fall 2011 version of the class. The 2011 videos were used to "flip the classroom" for this Fall 2013 version of the course. For lectures 2 through 12, before each class period, students were assigned to watch the corresponding 2011 video lecture below.
Learn MoreA group of scientists led by the Beihang University in China has developed a carbon-based all-inorganic perovskite solar cell without the use of an expensive hole transport layer (HTL). In the ...
Learn MoreNext-generation applications for integrated perovskite solar ...
Learn MoreThis Review discusses various integrated perovskite devices for applications including tandem solar cells, buildings, space applications, energy storage, and cell …
Learn MoreStability is one of the most important challenges facing material research for organic solar cells (OSC) on their path to further commercialization. ... We have identified … Traps and transport resistance are the next frontiers for stable non-fullerene acceptor solar cells Nat Commun. 2022 Jul 1;13(1):3786. doi: 10.1038/s41467-022-31326-z ...
Learn MoreP-XPA can flatten the surface of hole transport layer and optimize interface contact. Meanwhile, p-XPA achieves better energy level alignment and …
Learn MoreTin halide perovskite (THP) possesses p-type semiconducting properties owing to innate Sn oxidative defect states. These defect states create imbalance in charge collection at the interfaces, which hinders overall solar cell efficiency. To effectively harness THP''s potential, we introduced a strategic n-type commonly used material, [6,6]-phenyl …
Learn MoreIntroduction. Solar cells, directly converting light into electrical power, become one of the most promising technologies to mitigate global challenges of significant imbalance in power consumption and access to energy persist [1], [2], [3], [4].Recently, perovskite solar cells (PSCs) have attracted great attention in both scientific and …
Learn MoreSince the first publication of all-solid perovskite solar cells (PSCs) in 2012, this technology has become probably the hottest topic in photovoltaics. Proof of this is the number of published papers and the citations that they are receiving—greater than 3,200 and 110,000, respectively— in just the last year (2017). However, despite this intensive …
Learn MoreThe highest power conversion efficiencies (PCEs) of >25% reported for single-junction perovskite solar cells (PSCs) rely on regular n-i-p architectures ().However, inverted p-i-n PSCs have several advantages, including low-temperature processability and long-term operational stability derived from non-doped hole-transporting materials (2, 3). ...
Learn MoreTransport pathways are imaged in the CdTe/CdS photovoltaic cells during illumination by 15 suns of full visible spectrum light emitting diode (LED) light through the substrate via a ×40 objective.
Learn MoreA detailed review of perovskite solar cells
Learn MoreDye-Sensitized Solar Cells: Fundamentals and Current ...
Learn MoreThe efficiency of existing DSSCs reaches up to 12%, using Ru(II) dyes by optimizing material and structural properties which is still less than the efficiency offered by first- and second-generation solar cells, i.e., other thin-film solar cells and Si-based solar cells which offer ~ 20–30% efficiency.
Learn MoreMethyl ammonium lead halide-based hybrid perovskite solar cells (PSCs) have been intensively studied in recent years because of their high efficiency and low processing costs. Although there are limited constraints for choosing the planar electron transport layer (ETL) or mesoscale electron transporting material (E Solar energy 2018 Open Access Week …
Learn MoreStrategies for realizing high-efficiency silicon ...
Learn MoreOrganic-inorganic perovskite solar cells demonstrate immense potential for future photovoltaic application due to their remarkable efficiency advancements competitively low-cost. To unlock the full capability of perovskite, developments to the neighbouring layers play immense roles in the ultimate performance of a perovskite solar …
Learn MoreThis paper presents a model for the introduction and redistribution of hydrogen in silicon solar cells at temperatures between 300 and 700 °C based on a second order backwards difference formula evaluated using a single Newton-Raphson iteration. It includes the transport of hydrogen and interactions with impurities such as ionised dopants.
Learn MoreStrategies for hole transporting layer for efficient and stable perovskite solar cellsBy Dr. Samrana KazimBasque Center for Materials, Applications and Nanos...
Learn MoreThe highest power conversion efficiencies (PCEs) of >25% reported for single-junction perovskite solar cells (PSCs) rely on regular n-i-p architectures ().However, inverted p-i-n PSCs have several …
Learn MoreWe report on the effect of TiO2 film thickness on charge transport and recombination in solid-state mesostructured perovskite CH3NH3PbI3 (via one-step coating) solar cells using spiro-MeOTAD as the hole conductor.
Learn MoreThe light-emitting diodes (LEDs) used in indoor testing of perovskite solar cells do not expose them to the levels of ultraviolet (UV) radiation that they would receive in actual outdoor use. We report degradation mechanisms of p-i-n-structured perovskite solar cells under unfiltered sunlight and wi …
Learn MoreFacilitating Electron Transport in Perovskite Solar Cells Through Tailored SnO 2 Film Composition. Dongliang Bai, Dongliang Bai. Key Laboratory of Applied Surface and Colloid Chemistry, Ministry of Education, Shaanxi Key Laboratory for Advanced Energy Devices, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials …
Learn More1. Introduction. As the global demand for clean energy sources increases, photovoltaic (PV) technology has garnered significant attention [1].Thin-film solar cells (TFSCs) stand out as promising alternative to conventional silicon-based solar panels due to their cost-effectiveness, flexibility, and potential for higher efficiency [2, 3].These cells …
Learn MoreZhu, L. et al. Efficient organic solar cell with 16.88% efficiency enabled by refined acceptor crystallization and morphology with improved charge transfer and transport properties. Adv. Energy ...
Learn MoreIn this study, the theoretical modelling of perovskite solar cells (PSCs) aimed at achieving high performance is explored using the SCAPS-1D simulator. Various materials, including TiO2, PCBM, ZnO, SnO2, Zn(O,S), Spiro-MeOTAD, PEDOT:PSS, NiO, CuO, Cu2O, CuSCN, and CuSbS2, with a wide range of band offset values were studied …
Learn MoreThe commercialization of solar cells could possibly be accelerated by CZTS-based solar cells. CZTS is a non-hazardous, ecologically safe semiconductor that …
Learn MoreHole transport materials (HTMs) with high hole mobility, good band alignment and ease of fabrication are highly desirable for perovskite solar cells (PSCs). Here, we designed and synthesized novel organic HTMs, named T3, which can be synthesized in high yields with commercially available materials, …
Learn MoreIn the last 12 years, conventional solar cells, especially silicon-based, have increased their efficiency by 1.1%; however, the energy transformation efficiency of perovskite-based photovoltaics has reached from 3.8% to 25.7% within the same time frame. Perovskite solar cells have been evolved as captivating domain of research in recent …
Learn MoreThe tandem solar cell stability was tested over a period of 6 h under 1 sun exposure and the corresponding solar cell parameters are shown in Fig. 6 e. The PCE decreases nominally from 6.8 to 5.9% after 6 h of 1 sun exposure (cell parameters in Table S5), thus indicating that the cell is fairly stable, and the sensitizers do not undergo ...
Learn MoreA research team from two Chinese universities claims to have fabricated an organic solar cell with the highest power per weight ratio to date. The device has a thickness of less than 1.5 micrometers.
Learn MoreContact Us