Search Results - "Klem, Ethan J. D."

Solution-processed PbS quantum dot infrared photodetectors and photovoltaics by Sargent, Edward H, McDonald, Steven A, Konstantatos, Gerasimos, Zhang, Shiguo, Cyr, Paul W, Klem, Ethan J. D, Levina, Larissa

“…In contrast to traditional semiconductors, conjugated polymers provide ease of processing, low cost, physical flexibility and large area coverage. These active…”
Get full text

Enhanced H2O2 Production at Reductive Potentials from Oxidized Boron-Doped Ultrananocrystalline Diamond Electrodes by Thostenson, James O, Ngaboyamahina, Edgard, Sellgren, Katelyn L, Hawkins, Brian T, Piascik, Jeffrey R, Klem, Ethan J. D, Parker, Charles B, Deshusses, Marc A, Stoner, Brian R, Glass, Jeffrey T

“…This work investigates the surface chemistry of H2O2 generation on a boron-doped ultrananocrystalline diamond (BD-UNCD) electrode. It is motivated by the need…”
Get full text

Remediation of suspended solids and turbidity by improved settling tank design in a small‐scale, free‐standing toilet system using recycled blackwater by Hawkins, Brian T., Sellgren, Katelyn L., Cellini, Enzo, J. D. Klem, Ethan, Rogers, Tess, Lynch, Brendon J., Piascik, Jeffrey R., Stoner, Brian R.

“…Our research is focused on the development of decentralized waste water treatment technologies enabling onsite water reuse. Accumulation of solids with…”
Get full text

Impact of dithiol treatment and air annealing on the conductivity, mobility, and hole density in PbS colloidal quantum dot solids by Klem, Ethan J. D., Shukla, Harnik, Hinds, Sean, MacNeil, Dean D., Levina, Larissa, Sargent, Edward H.

“…Crosslinking molecules have recently been combined with colloidal quantum dots to build robust, closely packed, conductive solid-state devices. Ethanedithiol…”
Get full text

Reduction in energy for electrochemical disinfection of E. coli in urine simulant by Raut, Akshay S., Parker, Charles B., Klem, Ethan J. D., Stoner, Brian R., Deshusses, Marc A., Glass, Jeffrey T.

“…We report the development of novel modes of operation for electrochemical disinfection of E. coli in human urine simulant with an aim to minimize the energy…”
Get full text

Efficient Schottky-quantum-dot photovoltaics: The roles of depletion,drift, and diffusion by Johnston, Keith W., Pattantyus-Abraham, Andras G., Clifford, Jason P., Myrskog, Stefan H., Hoogland, Sjoerd, Shukla, Harnik, Klem, Ethan J. D., Levina, Larissa, Sargent, Edward H.

“…PbS colloidal quantum dot photovoltaic devices in a Schottky architecture have demonstrated an infrared power conversion efficiency of 4.2%. Here, we elucidate…”
Get full text

Efficient solution-processed infrared photovoltaic cells: Planarized all-inorganic bulk heterojunction devices via inter-quantum-dot bridging during growth from solution by Klem, Ethan J. D., MacNeil, Dean D., Cyr, Paul W., Levina, Larissa, Sargent, Edward H.

“…Solution-processed thin-film organic, inorganic, and hybrid photovoltaic devices have achieved power conversion efficiencies as high as 5%. However, these…”
Get full text

Solution Processed Photovoltaic Devices with 2% Infrared Monochromatic Power Conversion Efficiency: Performance Optimization and Oxide Formation by Klem, Ethan J. D., MacNeil, Dean D., Levina, Larissa, Sargent, Edward H.

“…Porous oxide/PbS quantum dot photovoltaic devices like that shown in the figure have their IR power conversion efficiency drastically improved by annealing in…”
Get full text

Smooth-Morphology Ultrasensitive Solution-Processed Photodetectors by Hinds, Sean, Levina, Larissa, Klem, Ethan J. D., Konstantatos, Gerasimos, Sukhovatkin, Vlad, Sargent, Edward H.

“…Smooth (sub‐1% roughness) PbS‐nanocrystal films (left) produce spin‐cast photoconductive photodetectors that exhibit 10 A W−1 responsivities, low dark current,…”
Get full text

Electrochemical disinfection of repeatedly recycled blackwater in a free‐standing, additive‐free toilet by Hawkins, Brian T., Sellgren, Katelyn L., Klem, Ethan J. D., Piascik, Jeffrey R., Stoner, Brian R.

“…Decentralized, energy‐efficient waste water treatment technologies enabling water reuse are needed to sustainably address sanitation needs in water‐ and…”
Get full text

Enhanced H 2 O 2 Production at Reductive Potentials from Oxidized Boron-Doped Ultrananocrystalline Diamond Electrodes by Thostenson, James O, Ngaboyamahina, Edgard, Sellgren, Katelyn L, Hawkins, Brian T, Piascik, Jeffrey R, Klem, Ethan J D, Parker, Charles B, Deshusses, Marc A, Stoner, Brian R, Glass, Jeffrey T

“…This work investigates the surface chemistry of H O generation on a boron-doped ultrananocrystalline diamond (BD-UNCD) electrode. It is motivated by the need…”
Get full text

Photoconductivity in Donor−Acceptor Polyferrocenylsilane−Fullerene Composite Films by Cyr, Paul W, Klem, Ethan J. D, Sargent, Edward H, Manners, Ian

“…Organometallic polymer-based solid-state photoconductive and photovoltaic devices using thin films of blends of poly(ferrocenylmethylphenylsilane) (PFMPS) and…”
Get full text

PbS quantum dot electroabsorption modulation across the extended communications band 1200–1700nm by Klem, Ethan J. D., Levina, Larissa, Sargent, Edward H.

“…We report electric field-induced modulation of absorption in PbS nanocrystal quantum dots across the spectral region 600–2000nm, encompassing the entire…”
Get full text

Solution-processed infrared photovoltaic devices with > 10 % monochromatic internal quantum efficiency by Maria, Ahmed, Cyr, Paul W., Klem, Ethan J. D., Levina, Larissa, Sargent, Edward H.

“…Large-area, physically flexible, solution-cast photovoltaics are of urgent interest to realize low-cost solar cells. Polymer, polymer-fullerene, and…”
Get full text

PbS quantum dot electroabsorption modulation across the extended communications band 1200 - 1700 nm by Klem, Ethan J. D., Levina, Larissa, Sargent, Edward H.

“…We report electric field-induced modulation of absorption in PbS nanocrystal quantum dots across the spectral region 600 - 2000 nm , encompassing the entire…”
Get full text

66‐3: Invited Paper: Colloidal Quantum Dot Photodetectors for Large Format NIR, SWIR, and eSWIR Imaging Arrays by Gregory, Christopher, Hilton, Allan, Violette, Katherine, Klem, Ethan J.D.

“…In 2019 SWIR Vision Systems introduced its 2.1 MP Acuros cameras to the industrial imaging market, becoming the first company globally to commercialize high…”
Get full text

Infrared sensitive solution-processed quantum dot photovoltaics in a nanoporous architecture by Klem, Ethan J. D

“…If solar energy is to be a significant component of our energy supply, technologies are required which produce high efficiency solar cells using inexpensive…”
Get full text

Infrared sensitive solution-processed quantum dot photovoltaics in a nanoporous architecture by Klem, Ethan J. D

“…If solar energy is to be a significant component of our energy supply, technologies are required which produce high efficiency solar cells using inexpensive…”
Get full text