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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  • p-Type...

    ...Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology, Barcelona, Spain *Email for A.P.-T.: [email protected] .More by Amador Pérez-Tomás Cite this: Cryst. Growth Des. 2020, XXXX, XXX, XXX-XXX Publication Date (Web):March 6, 2020 Publication History Article Views Citations are the number of other articles citing this article, calculated by Crossref and updated daily. Find more information about Crossref citation counts. The Altmetric Attention Score […]

  • Lower-Cost...

    ...environment after the laboratory phase, it will be possible to significantly reduce the use of detergents and antibiotics, thus making nanocapsulation an eco-friendly alternative. This method is also less expensive than those currently in use. The material may also be of interest to other sectors such as the public transport, food, textile, construction, electrical and electronics, and even cattle industries. The FLEXPOL project is funded by the European Commission H2020 programme and is […]

  • Selective killing...

    ...Nanotechnology, this study shows that nanoparticles covered with a mixture of positively [+] and negatively [-] charged molecules can selectively kill cancer cells by targeting their lysosomes. The death of cancer cells results from a remarkable succession of transport and aggregation phenomena, starting with the formation of small nanoparticle clusters at cell surfaces and culminating with the assembly of micron-sized nanoparticle crystals inside the cancer lysosomes. Nanoparticle crystals […]

  • Hollow Zeolite...

    ...Energy, Hubei Province Key Laboratory of Accountrement Technique in Fluid Machinery & Power Engineering, Wuhan University, Wuhan 430072, China More by Guangyuan Ma Jianli ZhangJianli Zhang State Key Laboratory of High-Efficiency Utilization of Coal and Green Chemical Engineering, Ningxia University, Yinchuan 750021, China More by Jianli Zhang Mingyue Ding*Mingyue Ding School of Power and Mechanical Engineering, Hubei International Scientific and Technological Cooperation Base of […]

  • Construction of...

    ...Nanomaterials for Jiang Su Province, Nanjing University, Nanjing 210093, China More by Wei Xu Xiaoyong XuXiaoyong Xu School of Physics Science and Technology, Yangzhou University, Yangzhou, 225002, China More by Xiaoyong Xu Shiming Yan*Shiming Yan School of Electronics and Information, Hangzhou Dianzi University, Hangzhou 310018, China *Email: [email protected] .More by Shiming Yan Dunhui Wang*Dunhui Wang School of Electronics and Information, Hangzhou Dianzi University, Hangzhou 310018, […]

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