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Borun ( Borun Chemical) is the professional manufacturer of Perovskite Solar Cell (Perovskite precursors-ammonum salts ans hole transport material and dioppants),Organic Optoelectronic Material (OPV) , silver nanowires, PEDOT:PSS Conductive Ink and Graphene, products are mainly used in perovskite solar cell, Roll and Roll OPV, 3D touch sensor, FLEXIBLE amoled touchdisplay and Foldable touch panel ect.

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Perovskite Solar Cells

The U.S. Department of Energy Solar Energy Technologies Office (SETO) supports research and development projects that increase the efficiency and lifetime of hybrid organic-inorganic perovskite solar cells , speeding the commercialization of perovskite solar technologies and decreasing manufacturing costs. Photo of a gloved hand holding a perovskite solar cell Perovskite solar cell - Dennis Schroeder / National Renewable Energy Laboratory What are Perovskite Solar Cells? Halide perovskites are a family of materials that have shown potential for high performance and low production costs in solar cells. The name “ perovskite ” comes from the nickname for their crystal structure, although other types of non-halide perovskites (such as oxides and nitrides) are utilized in other energy technologies, such as fuel cells and catalysts. Perovskite solar cells have shown remarkable progress in recent years with rapid increases in efficiency, from reports of about 3% in 2...

Photodynamic inactivation of melanoma cells using aluminum chloride phthalocyanine-loaded solid lipid nanoparticles

Cutaneous melanoma is the most aggressive form of skin cancer and is particularly resistant to current treatments. Photodynamic therapy (PDT) is a well-known photoprocess used to treat certain cancers, including non-melanoma skin cancer. The photosensitizer aluminum chlorides phthalocyanine (ClAlPc) is used in PDT; however, its high hydrophobicity limits its photodynamic activity under physiological conditions. The goal of this study was to use direct emulsification to create solid lipid nanoparticles (SLN) containing ClAlPc. ClAlPc-loaded SLNs (ClAlPc/SLNs) were studied in vitro in B16-F10 melanoma cells for particle size and distribution, zeta potential, morphology, encapsulation efficiency, stability, and phototoxic action. ClAlPc/SLN had a mean diameter of 100–200nm, a homogeneous size distribution (polydispersity index of 0.3), a negative zeta potential, and spherical morphology. Encapsulation efficiency was close to 100%. X-ray diffraction and differential scanning calorimetry w...

FIFA World Cup Qatar 2022: "Stunning" new materials and made in China

Recently, the quadrennial football feast, Qatar World Cup grand opening. In addition to the expectations of the fans for this event, the opening of this World Cup has attracted the eager attention of the majority of netizens. Many Chinese elements were used in the World Cup. In addition to the conspicuous "Made in Yiwu" peripherals, Chinese referees, sponsors and the "cutest messenger" giant panda, the Qatar World Cup has frequent highlights in terms of infrastructure and new material applications . As the first World Cup held in the Middle East, Qatar not only released the slogan of striving to become the first "carbon neutral" World Cup , but also invested huge sums of money in infrastructure and new technologies . It can be said that it is burning money like water. First of all, in terms of game balls , the official custom ball for this World Cup is named Al Rihla, which translates to "Journey of Dreams" in Chinese. The surface of the spher...

New Perovskite Solar Cell Puts Another Nail In The Natural Gas Coffin

Just a few years ago, low price herbal fuel was the primary force pushing coal out of the power generation marketplace, and now low price solar power is sneaking up on low price herbal gasoline. Thus far the competition is a trickle, now not a flood. However, natural gasoline stakeholders don’t have lots respiration room left, as indicated with the aid of the modern perovskite sun mobile studies. Why A Perovskite Solar Cell? The cost of solar power has already fallen off a cliff, primarily due to improvements in silicon solar cell technology and manufacturing , as well as improvements all up and down the silicon solar cell value chain. That’s why energy stakeholders in some US markets are already eyeballing solar power and hybrid wind-solar configurations as more economical alternatives to natural gas. To push the transition faster, solar costs have to drop even farther, faster. That means finding a material that is more economical to work with than silicon, and that’s where the perovs...

What about Perovskite

Perovskite is still in a “High Fever” due to its intrinsic characteristics of long carrier lifetimes, extra-long carrier transport distance, and low non-radiation recombination rate. We do realize the scope of perovskite research is spreading from photovoltaic to light-emitting diode, lasers; most recently we saw a number of papers turning to employ the perovskite as high-gain photodetectors. Here we list a few papers to share with you: I. Perovskite Photovoltaic 1. (2015–) Advanced Materials (DOI:10.1002/adma.20150048). Planar CH3NH3PbI3 Perovskite Solar Cells with Constant 17.2% Average Power Conversion Efficiency Irrespective of the Scan Rate. COMENTS: Planar structure, constant power conversion efficiency of 17.2%, irrespective of scan rate, all are important. 2. (2015–) Scientific Reports (DOI:10.1038/srep07725). Growing Perovskite into Polymers for Easy-Processable Optoelectronic Devices. COMENTS: The authors grow the Perovs...

Electronic Structure and Reactivity of TM-Doped La1-xSrxCoO3 (TM=Ni, Fe) Heterogeneous Catalysts

The catalytic properties of LaCoO3 in aqueous oxidation are explored as a function of doping. Both Sr substitution for La and Fe/Ni substitution for Co are studied. The reaction of interest is the aqueous epoxidation of crotyl alcohol with hydrogen peroxide. The reaction products are measured using GC, and the decomposition of hydrogen peroxide is studied using the volume of oxygen evolved during reaction. Strong variations in the activity to epoxide formation are observed, with Fe-doped samples being rather inactive in the reaction. SR VUV photoemission is used to explore the surface reactivity of the ceramic catalysts in aqueous solution, using H2O as a probe molecule. These measurements are complemented by XANES measurements designed to probe the local defect structure and XPS measurements of surface composition. We relate the observed catalytic activity to the defect structure of the doped materials. In Ni-doped materials, oxygen vacancies appear to be the predominant defect, ...

Formamidinium hexafluorophosphate

Formamidinium hexafluorophosphate ( FAPF6 ) is a pseudo-halide salt used as precursor in the preparation of perovskite-based optoelectronic systems. The incorporation of Formamidinium hexafluorophosphate to the precursor solution of formamidinium lead iodide (FAPbI3) perovskites resulted in perovskite photodetectors exhibiting better stability and enhanced device performance. Hexafluorophosphate is an anion with chemical formula of [PF6]. It is an octahedral species that imparts no color to its salts. [PF6] is isoelectronic with sulfur hexafluoride, SF6, and the hexafluorosilicate dianion, [SiF6]2, and hexafluoroantimonate [SbF6]. In this anion, phosphorus has a valence of 5. Being poorly nucleophilic, hexafluorophosphate is classified as a non-coordinating anion. Formamidinium hexafluorophosphate Hexafluorophosphate Applications Practical uses of the hexafluorophosphate ion typically exploit one or more of the following properties: that it is a non-coordinating anion; that he...

Photoelectric conversion efficiency of perovskite solar cells per unit area of 1 cm2 reaches 15%

Japan's National Institute for Research on Materials and Materials (NIMS) announced that it has expanded the area of perovskite solar cells to more than 1 cm square, and by improving the manufacturing method of the elements, the world's first perovskite solar cells in the photovoltaic power generation of the Institute of Industrial Technology The research center evaluation criteria group achieved a conversion efficiency of 15%. This is the result of a research and development team headed by Han Ye-won, head of the photovoltaic power generation materials team. The conversion efficiencies of previously reported perovskite solar cells are basically values obtained with small-area cells (about 0.1 cm2). The conversion efficiency of 20.1% (with a cell area of 0.0955cm2) has been reported before, but due to the small cell area, the measurement error is large, and the measurement method has not been disclosed. Therefore, the 15% efficiency of perovskite cells released by Ja...

Fullerenes bridge conductive gap in organic photovoltaics

Natural photovoltaics have accomplished remarkably high efficiencies, but locating most effective combos of substances for excessive-performance organic solar cells, that are additionally economically competitive, still affords a assignment. Researchers from the us and China have now evolved an modern interlayer material to enhance tool balance and electrode performance. Within the journal Angewandte Chemie, the authors describe their fullerene-spiked, comfortably processable ionene polymer, which boosts the energy conversion efficiency of organic solar cells . conversion efficiency of organic solar cells In assessment to not unusual silicon-based totally sun cells, Organic Photovoltaic(OPV) contain organic molecules in solar power generation. Substances in OPVs are considerable and processable, reasonably-priced and lightweight, and the modules may be made flexible and with tunable houses. The essential downside of such materials is that reaching longevity and high performance...

Perovskite Solar Cells Set a New Record: The Progress Towards 25.8 % Efficiency

In few months ago, a Korean team at UNIST reported ground-breaking results in the production of perovskite materials for use in solar cells. The next power conversion efficiency of 25.8 % for a single-junction perovskite solar cell was reached by building a " coherent interlayer " between electron-transporting and perovskite layers to minimize interfacial defects. To begin tackling the plot, let's start with the basics. A typical perovskite solar cell (PSC) compose of six main interfaces, including: (1) the interface between the transparent conductive oxide and electron transport layer (ETL); (2) the interface between the ETL and perovskite; (3) the perovskite grain boundaries or the interface between perovskite particles; (4) the interface between the perovskite and hole transport layer (HTL); (5) the interface between the HTL and electrode; (6) the interface between the electrode material and its surroundings 1 . layered stack of the ETL, perovskite, and HTL, with an...

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