solar photothermal disinfection using broadband light

Solar vapor generation using bubbly flow nanofluids with ...

Sep 01, 2020· In this work, we verify the solar vapor generation using bubbly flow nanofluids with broadband-light harvesting nanoparticles. With the concept, a hybrid nanofluid composed of three different kinds of nanoparticles (TiO 2, Au and Indium tin oxide (ITO)) with distinguish absorbance peaks are prepared for collaborative light absorption ranging from ultraviolet, visible to infrared regime (see ...

Solar Photothermal Disinfection using Broadband-Light ...

Solar Photothermal Disinfection using Broadband-Light Absorbing Gold Nanoparticles and Carbon Black. ... Nanoparticle Enhanced Interfacial Solar Photothermal Water Disinfection Demonstrated in 3-D Printed Flow-Through Reactors. Environmental Science & Technology 2019, 53 (13) , 7621-7631. DOI: 10.1021/acs.est.9b01142. ...

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Inaugural Article: Compact solar autoclave based on steam ...

In conclusion, we have shown two compact solar autoclaves enabled by solar steam generation using broadband, light-absorbing nanoparticles. The systems maintain temperatures between 115 °C and 132 °C for the time period sufficient to sterilize the contents of a 14.2-L volume, which is in accordance with Food and Drug Administration ...

Compact solar autoclave based on steam generation using ...

Jul 16, 2013· In conclusion, we have shown two compact solar autoclaves enabled by solar steam generation using broadband, light-absorbing nanoparticles. The systems maintain temperatures between 115 °C and 132 °C for the time period sufficient to sterilize the contents of a 14.2-L volume, which is in accordance with Food and Drug Administration ...

Prussian blue-encapsulated Fe3O4 nanoparticles for ...

Mar 22, 2019· Photothermal effect measurement under solar light. To examine the photothermal effect induced by solar irradiation, Fe 3 O 4 @PB dispersions (1.0 mL) at different concentrations (0, 0.3, 0.5, 1.0, and 2.0 mg·mL −1) were irradiated for 10 min by a solar simulator (1 sun, 0.1 W·cm −2), respectively. The temperature change was monitored ...

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Plasmon-enabled degradation of organic …

Jun 16, 2020· More recently, broadband absorbing photothermal nanoparticles were employed to inactivate waterborne pathogens under solar irradiation to develop low-cost water disinfection technologies (12, 20). To date, however, the majority of environmental appli-cations remain based primarily on sunlight-induced liquid-to-vapor phase change.

Naomi HALAS, et al. -- Nanoparticle Solar Steam ...

In conclusion, we have shown two compact solar autoclaves enabled by solar steam generation using broadband, light-absorbing nanoparticles. The systems maintain temperatures between 115 °C and 132 °C for the time period sufficient to sterilize the contents of a 14.2-L volume, which is in accordance with Food and Drug Administration ...

Plasmon-enabled degradation of organic micropollutants in ...

Jul 07, 2020· More recently, broadband absorbing photothermal nanoparticles were employed to inactivate waterborne pathogens under solar irradiation to develop low-cost water disinfection technologies (12, 20). To date, however, the majority of environmental applications remain based primarily on sunlight-induced liquid-to-vapor phase change.

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High‐Efficiency Photothermal Water Evaporation using ...

Feb 02, 2021· [19, 28, 29] First, the photothermal material must show a broadband absorption. To ensure a high PTCE, an overall absorption above 97% in the wavelength range from 300 to 2500 nm is expected. At the same time, the average absorption ability of this material toward solar light should be as high as possible.

Developing Sustainable Water Purification Technologies ...

Apr 20, 2021· S Loeb, C Li, J-H Kim, Solar Photothermal Disinfection using Broadband-Light Absorbing Gold Nanoparticles and Carbon Black, Environmental Science & Technology, 2018, 52, 205. PD Dongare, A Alabastri, S Pedersen, KR Zodrow, NJ Hogan, O Neumann, J Wu, T Wang, A Deshmukh, M Elimelech, Q Li, P Nordlander, NJ Halas, Nanophotonics-enabled solar ...

Stephanie Loeb | Faculty of Engineering - McGill University

Biography: Professor Loeb’s research efforts span the intersection of materials science and environmental engineering, with particular focus on the removal of chemical and biological contaminants in water using sunlight, engineered light sources, and light-activated nanomaterials. Her recent research has aimed to characterize how sunlight ...

Compact solar autoclave based on steam generation using ...

Here, we show the use of broadband light-absorbing nanoparticles as solar photothermal heaters, which generate high-temperature steam for a standalone, efficient solar autoclave useful for sanitation of instruments or materials in resource-limited, remote locations. Sterilization was verified using a standard Geobacillus stearothermophilus ...

Solar Photothermal Disinfection using Broadband-Light ...

Solar Photothermal Disinfection using Broadband-Light Absorbing Gold Nanoparticles and Carbon Black Stephanie Loeb,† Chuanhao Li,†,‡ and Jae-Hong Kim*,† †

Nanoparticles Heat through Light Localization | Nano Letters

Jun 24, 2014· Solar Photothermal Disinfection using Broadband-Light Absorbing Gold Nanoparticles and Carbon Black. ... Unraveling Surface Plasmon Decay in Core–Shell Nanostructures toward Broadband Light-Driven Catalytic Organic Synthesis. Journal of the American Chemical Society 2016, 138 (21) ...

Measuring temperature heterogeneities during solar ...

Here, we show the use of broadband light-absorbing nanoparticles as solar photothermal heaters, which generate high-temperature steam for a standalone, efficient solar autoclave useful for ...

Smartphone-powered efficient water disinfection at the ...

Oct 13, 2020· Clean water free of bacteria is a precious resource in areas where no centralized water facilities are available. Conventional chlorine disinfection is limited by chemical transportation, storage ...

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Compact solar autoclave based on steam generation …

broadband light-absorbing nanoparticles as solar photothermal ... disinfection is a less robust process that involves the removal of ... we reported the use of broadband light-absorbing

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nanorods (NRs) with broadband light absorption (300-3300 nm) and high photothermal conversion efficiency (57.8%, 808 nm), and the use of these NRs as broad spectrum fungicides for efficient disinfection using natural sunlight as light source.

Developing a solar photothermal method for peroxydisulfate ...

Jan 01, 2021· Photothermal conversion, which relies on photothermal agents to convert solar energy to heat energy, is an important method of harnessing solar energy. Carbon-based materials, such as graphene, carbon nanotube, and carbon black (CB), are identified as the efficient photothermal conversion materials due to their broadband solar absorption capacity and the high photothermal …

A General Approach to the Synthesis of Gold–Metal Sulfide ...

Mar 30, 2009· Stephanie Loeb, Chuanhao Li, Jae-Hong Kim, Solar Photothermal Disinfection using Broadband-Light Absorbing Gold Nanoparticles and Carbon Black, Environmental Science & Technology, 10.1021/acs.est.7b04442, 52, 1, (205-213), (2017).

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Supporting Information and Carbon Black

Supporting Information and Carbon Black. Supporting Information Solar Photothermal Disinfection using Broadband-Light Absorbing Gold Nanoparticles and Carbon Black. Stephanie Loeba, Chuanhao Lia,b, Jae-Hong Kima,*. a Department of Chemical and Environmental Engineering and Nanosystems Engineering Research Center for Nanotechnology-Enabled Water Treatment (NEWT), Yale …

Nanoparticle Enhanced Interfacial Solar Photothermal …

Jul 02, 2019· Nanoparticle Enhanced Interfacial Solar Photothermal Water Disinfection Demonstrated in 3-D Printed Flow-Through Reactors. ... Considering recent advances in the development of light harvesting nanoparticles for solar-to-heat conversion, we envision that a nanomaterial enhanced water heating treatment system could obviate the need to use fuels ...

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