Energy and Environment

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Researchers develop highly stable perovskite solar cells

A recent study has presented a highly stable perovskite solar cells, using edged-selectively fluorine functionalized graphene nano-platelets. This breakthrough has gotten much attention [...]
In the field of energy, nanotechnology is being used to reduce the cost of catalysts used in fuel cells to produce hydrogen ions from fuel such as methanol and to improve the efficiency of membranes used in fuel cells to separate hydrogen ions from other gases such as oxygen.
Nanoparticles are also useful in the manufacture of solar cells by reducing manufacturing costs (need lower process temperature instead the high temperature vacuum deposition) and installation costs by producing flexible rolls (instead crystalline panels).
Regarding batteries, nanotechnology could offer some advantages: to reduce the possibility of catching fire by providing less flammable electrode material, to increase the available power and decreasing the required recharge  time by coating the surface of an electrode with nanoparticles, and to increase the shelf life using nanomaterials to separate liquids in the battery from solid electrodes.
Moreover, the shortage of fossil fuels such as diesel and gasoline can be addressed by making the production of fuels from low grade raw materials cheaper, increasing the mileage of engines, and making the production of fuels from normal raw materials more efficient.
It is also possible to increase the electricity generated by windmills using epoxy containing carbon nanotubes. The resulting blades are stronger and of lower weight, and therefore the amount of electricity generated by each windmill is greater.
Nanotechnology also has the potential to revolutionize the agri-food industry with novel tools for molecular management and rapid disease detection, improving plants' ability to absorb nutrients, controlling insects with the use of bio-pesticides, and monitoring conditions environmental conditions of the plant. Researchers are working in the use, for instance, of microsensors made from silica and carbon to monitor the presence of pathogens.
Another well-known use of nanotechnology is wastewater treatment. One challenge is the removal of industrial water pollution. Nanoparticles can be used to convert the contaminating chemical in underground ponds through a chemical reaction to make it harmless. Another challenge is the removal of salt or metals from water by a deionization method using electrodes composed of nano-sized fibers, or improve the filtration of virus cells using nanostructured catalytic membranes. Therefore, due to their unique activity toward recalcitrant contaminants and application flexibility, nanomaterials offer the potential for treatment of surface water, groundwater and wastewater contaminated by toxic metal ions, organic and inorganic solutes, and microorganisms.
Nanostructured membranes are also used from industrial plant exhaust streams to improve air quality, and catalysts serve to reduce air pollution. For instance, researchers have demonstrated a catalyst, in which gold nanoparticles have been embedded, that breaks down VOCs at room temperature.

 

Application Product or article Improved properties Nanomaterials
Energy Catalyst
Scrubbers and membranes to separate CO2 form power plant exhaust
Wires
Nanostructured solar cells
Windmill
Thin-film solar electric panels
Flexible piezoelectric nanowires woven into clothing
High-power rechargeable battery systems
Semiconductors thin films
Batteries

Nuclear reactors

Higher durability
Higher resistance
Reduced weight
Higher efficiency of fuel production
Barrier properties
Higher thermal resistance
Electromagnetic interference
Higher electrical conductivity
Power conversion efficiency
Reduced fuel consumption
Higher efficiency combustion
Reduced transmission power loss
Higher efficiency of lighting systems
Lower costs
Less flammability
Carbon nanotubes
Graphene
Nanoplatinum
Quantum dots
Gold nanowires
Environment Controlled release nanocapsules
Bioactive nanoparticles
Nanosorbents
Nanocatalysts
Nanostructured catalytic membranes
Waste water treatment filters
Sensors for chemical vapours
Better release of  of pesticides, fertilizers and other agrochemicals
Genetic modification
Regulation of plant metabolism
Better crop production
Effective filtration
Sensing properties
Nanosilica
Carbon
Palladium pellets
Gold pellets
Graphene oxide
Graphene
Carbon nanotubes
Zinc oxide nanowires

That’s being said on nano & energy & environment


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  • The promising...

    ...Nanoparticle Delivery (PNP) system and a dual targeted siRNA drug design, such as TGF-β1 and Cox-2. The company’s lead therapeutic candidate (STP705) is a double stranded TGF-β1 and COX-2 siRNA with dual targeting properties. The unique asset of TGF-β1 inhibitory drug works effective either as a single agent or in combination with PD-L1 mAb. STP705 is currently being investigated for treatment of non-melanoma skin cancer in a Phase II clinical study and is on track to […]

  • The promising...

    ...Nanoparticle Delivery (PNP) system and a dual targeted siRNA drug design, such as TGF-β1 and Cox-2. The company’s lead therapeutic candidate (STP705) is a double stranded TGF-β1 and COX-2 siRNA with dual targeting properties. The unique asset of TGF-β1 inhibitory drug works effective either as a single agent or in combination with PD-L1 mAb. STP705 is currently being investigated for treatment of non-melanoma skin cancer in a Phase II clinical study and is on track to […]

  • Extraordinary...

    ...Energy, South China Agricultural University, Guangzhou 510642, China Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, Guangzhou 510642, China More by Yeru Liang Huimin LiHuimin Li Department of Materials Science and Engineering, College of Materials and Energy, South China Agricultural University, Guangzhou 510642, China More by Huimin Li Yong XiaoYong Xiao Guangdong Provincial Engineering Technology Research Center for Optical Agriculture, Guangzhou […]

  • Tougher glass using...

    ...nanoparticles (Nanowerk News) UCLA mechanical engineers and materials scientists have developed a process that uses nanoparticles to strengthen the atomic structure of glass. The result is a product that’s at least five times tougher than any glass currently available. The process could yield glass that’s useful for industrial applications — in engine components and tools that can withstand high temperatures, for instance — as well as for doors, tables and other […]

  • Improved Red...

    ...energy transfer processes. Furthermore, higher energy transfer processes between Er3+ ions could be obtained through doped 1% Tm3+ ions as an energy trapping center in the NaErF4. This platform could emit much brighter upconversion luminescence (UCL) (124-fold enhancement for red emission) and short wavelength infrared (SWIR) emission under single 808 nm laser excitation. Importantly, the SWIR imaging with higher resolution and better signal-to-noise ratio can pass the blood–brain […]

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