Graphene Can Prevent Mosquito Bites August 30, 2019Researchers at Brown University have shown that multilayer graphene can provide a defense against mosquito bites in two ways.
Minimizing CO2 production during Syngas Catalysis Mediated By Nano-Sized Iron Supported on Silica Spheres Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 3, 2019Minimizing CO 2 prodcution in chemical reactions is a desirable pathway to low-carbon processes. Our approach encompasses two aspects: 1) use nano-...
3D Printing- Unique Hazards When Metal Dust Is Created Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 2, 2019Over the past several years, manufacturers in the additive industries have employed 3D printing to increase efficiency on plant floors. Materials...
From Atoms to Holographs: Chemical Engineering in the Electronics Industry Archived Webinar Jul 22, 2015 This presentation shows the ever-increasing role of chemical engineering in a diversifying electronics industry that shows continued growth and increasing variety for the future. Our current research...
Carbon Nanotubes and Other Nanostructured Materials Archived Webinar Jul 28, 2011 The discovery of fullerenes in 1985 sparked the interest of researchers in novel crystalline forms of carbon. Nobel laureate Richard Smalley, co-discoverer of fullerenes, was a strong advocate of...
Using Catalytic Nanoparticles to Clean Water Archived Webinar Apr 15, 2010 In this talk, I will describe our work in improving the feasibility of these NP catalysts for groundwater remediation and in understanding how the gold enhances the Pd catalytic activity so...
The Wonderful World of Carbon Nanotubes Archived Webinar Dec 17, 2009 The combination of remarkable mechanical properties and unique electronic properties of carbon nanotubes (CNTs) offers significant potential for revolutionary applications in electronics devices,...
Nanotechnology: What is it? What are the opportunities? Archived Webinar Mar 11, 2008 Nanotechnology deals with the creation of materials, devices and systems through the manipulation of nanoscale matter, and takes advantage of novel and interesting properties that may arise. This is...
Joshua D. Howe, Postdoctoral Researcher, Georgia Tech: The Future of Chemical Engineering October 2, 2018From the perspective of his specialty in the computational study of materials, Josh takes us through his vision of chemical engineering's future.
Christopher J. Ellison, University of Minnesota: The Future of Chemical Engineering September 25, 2018Chris Ellison is Associate Professor and Piercy Professor in the Department of Chemical Engineering and Materials Science at th
AIChE Journal Highlight: Multiphasic Liquids as the Basis of Nanomaterials Manufacturing October2018Journal HighlightMany industrial processes and consumer products involve systems containing multiple liquid and solid phases — including emulsions, suspensions, suspo-emulsions, solid/liquid gels, and others. These systems are finding a place in the synthesis of new...
CEP: News Update July2018News UpdateNanomaterials Restore Aged Canvases Researchers at Chalmers Univ. of Technology in Göteborg, Sweden, have developed a new method to provide structural support to canvas using nanomaterials. The method, called consolidation, treats the degraded...
CEP: News Update June2018News UpdateDragonflies Inspire a New Way To Create and Dry Aerogels When a dragonfly emerges from its underwater larval stage and stretches out its wings for the first time, those wings are as soft as jelly. But after a mere hour or so, they are solid and...
Self-Cleaning Nanocrystal Material Stops Spread of Disease February 14, 2018By targeting surfaces people touch frequently throughout the day, this self-cleaning material kills microbes to stop the spread of disease.
Carbon-based Catalyst May Be Key Step to Clean Hydrogen January 17, 2018As efficient as current platinum-based catalysts, the nanostructured composite material sidesteps costly platinum.
Developing Transparent Solar Panels for Windows December 4, 2017Transparent solar panels that are efficient enough to be practical have been elusive, but no longer.
Continuous Nanoparticle Production Using Focused Acoustics Conference PresentationAIChE Annual MeetingNovember 12, 2015Continuous nanoparticle production using focused acoustics Many drugs currently in development are either water insoluble or lipophilic, thus...
Effect of Nanoporous Materials on Saturation Pressure in Shale Reservoirs Conference PresentationAIChE Annual MeetingNovember 9, 2015There has been a rapid growth in research for thermodynamic properties of shale reservoirs. The common pore size of shale reservoirs is approximately...
Investigation of Nanostructural Characteristics of Lignin-ABA Block Copolymer Aggregates Leading to Use of Micelles As Nanoreactors for Lignin Conversion Conference PresentationAIChE Annual MeetingNovember 9, 2015Nanostructural self-assembly of lignin derivatives incorporated in polyethylene oxide- block -polypropylene oxide- block -polyethylene oxide (PEO- b...
Importance of Conductivity and Structure in the Capacity Retention of NiO Anodes in Li Batteries Conference PresentationAIChE Annual MeetingNovember 20, 2014Over the past several years, there has been a considerable amount of effort put forth to increase the energy density of Li-ion batteries. At the...
Ultra-Deep Desulfurization of Hydrocarbon Fuels Using TiO2 and Ag-TiO2 Adsorbents Assisted By UV Irradiation Conference PresentationAIChE Annual MeetingNovember 18, 2014Fuel cell (FC) technologies have attracted dramatic research interests in recent years to achieve clean electric power for the “hydrogen economy”...
Polymer Strip Films As a Robust, Surfactant-Free Platform for Delivery of BCS Class II Drug Nanoparticles Conference PresentationAIChE Annual MeetingNovember 18, 2014
Organic Solvent Nanofiltration in Continuous Catalytic Reactions Conference PresentationAIChE Annual MeetingNovember 17, 2014Introduction Organic solvent nanofiltration (OSN) is an emerging technology for performing membrane separation/purification processes in organic...
Purification and Concentration of Wood Extracts By Membrane Filtration Conference PresentationAIChE Annual MeetingNovember 17, 2014Ultrafiltration and nanofiltration were applied to remove impurities and increase sugar concentrations of wood extracts and/or hydrolysates. A series...
Laser-Activated Carbon Nanoparticle Cellular Damage and Prevention Conference PresentationAIChE Annual MeetingNovember 7, 2013The cell membrane is a challenging barrier to cross because of its structure and composition. Endocytotic processes can be inefficient, especially...
Low-Temperature Decomposition of Hydrous Hydrazine Over Ni-Fe-Cu Nano-Catalysts Conference PresentationAIChE Annual MeetingNovember 6, 2013Khachatur V. Manukyan 1 , Allison Cross 1 , Jeff Miller 2 and Eduardo E. Wolf 1 * 1 Department of Chemical & Biomolecular Engineering, University...
Distinctive Nanoscale Organization of Double- Cationic Versus Single-Cationic Ionic Liquids Conference PresentationAIChE Annual MeetingNovember 5, 2013Double-cationic ionic liquids are attracting the increasing research interests recently. In this work , the distinctive structural organization of...
At Least 1,000X Thinner than a Human Hair Conference PresentationAIChE Annual MeetingNovember 5, 2013The last century witnessed the development of two classes of materials—polymers and semiconductors—that dramatically changed people’s lives. A new...
Capture of Carbon Dioxide With Tetraethylenepentamine-Functionalized Industrial Carbon Nanotubes Conference PresentationAIChE Annual MeetingNovember 4, 2013Industrial carbon nanotubes (I-CNTs) is a low-cost substitute for commercially available multi-walled carbon nanotubes (CCNTs). In this work , I-CNTs...
New Advances In Membranes For Antibiotic Recovery and Controlled Release Conference PresentationAIChE Annual MeetingNovember 4, 2013This presentation covers new advances in two types of membranes: (1) supported liquid membranes (SLMs) with strip dispersion for recovery of...
Aqueous-Phase Fischer-Tropsch Synthesis by Using Ruthenium Nanoparticle Catalyst Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 30, 2013Fischer-Tropsch synthesis has long been known as an alternative process to produce long-chain hydrocarbons for their use in transportation fuels. In...
Explosibility of Nano-Sized Metal Powders Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 30, 2013Industrial accidents in the metal processing industries are not uncommon. Some of these accidents are in the form of dust explosions or flash fires...
Critical Quality Attributes (CQAs) of Biodegradable Polymer Matrices and Particles: Impact of a Recent Mathematical Model Conference PresentationAIChE Annual MeetingNovember 1, 2012Long-acting controlled release formulations address the top causes of non-compliance, a problem responsible for 10% of hospitalizations and over $100...
Hybrid Li-Air Battery with Sulfuric Acid Electrolyte and Buckypaper Air Cathode Conference PresentationAIChE Annual MeetingOctober 31, 2012Li-air battery (LAB) with aqueous-based catholyte and a water-stable lithium electrode using a LISICON-type lithium ion conducting glass ceramic...
Production of Hydrogen and Nanocarbon From Catalytic Decomposition of Methane Over a Ni-Fe/Al2O3 Catalyst Conference PresentationAIChE Annual MeetingOctober 31, 2012Methane catalytic decomposition reaction (MCD) has received much attention in recent years as a potential route for the direct production of COx (CO/...
Investigation of Phase Stability of Magnesium Alanate for Hydrogen Storage From First Principles Conference PresentationAIChE Annual MeetingOctober 30, 2012Complex hydrides including alanates ([AlH 4 ] – ) have recently gained attention as alternative hydrogen storage materials. Many of these materials...
Metal-Organic Framework (MOF) Materials and Membranes for Molecular Separations Conference PresentationAIChE Annual MeetingOctober 29, 2012This talk will describe our recent progress in the synthesis and processing of MOF/ZIF materials for molecular separation applications, and their...
Mach Five with Your Hair on Fire: Harnessing a Small Business with a Large Corporation Conference PresentationAIChE Spring Meeting and Global Congress on Process SafetyApril 3, 2012Mach Five With Your Hair on Fire: Harnessing a Small Business with a Large Corporation
Rapid Deposition of Titania Nanoparticles for Dye Solar Cells Conference PresentationAIChE Annual MeetingOctober 18, 2011Dye-sensitized solar cells (DSSCs), while only having been designed about twenty years ago, are considered to be one of the most promising third-...
Nanoarchitectured Ni-ZrO2 Catalysts for Hydrogen Production From Steam Reforming of Ethanol Conference PresentationAIChE Annual MeetingOctober 18, 2011Hydrogen has been considered as an important alternative energy vector and a bridge to a sustainable energy future. Production of hydrogen...
Ordered Mesoporous TiO2/ZnO Material for Hydrogen Production Conference PresentationAIChE Annual MeetingOctober 17, 2011Ordered mesoporous Zr-doped TiO 2 /ZnO material is currently being investigated for band gap tuning and higher loadings of photo-sensitizer...
Inorganic Catalytic Nanofibers for the Production of Hydrogen Via Alkaline Hydrolysis of Biomass Conference PresentationAIChE Annual MeetingOctober 17, 2011Here we propose to develop a farm-scale biorefining system that can convert cellulosic biomass into useable hydrogen gas. In particular, we focus on...
Catalytic Hydrolysis of Ammonia Borane Using Co-B Nanoparticles Embedded In Mesoporous Silica Particles: a Very Efficient Catalyst for Hydrogen Production Conference PresentationAIChE Annual MeetingOctober 17, 2011Ammonia Borane (AB), with high hydrogen storage capacity (19.5 wt.%), is predicted to be possibly a future fuel for providing pure H 2 to fuel cell...
Removal of Rhodamine B Dye with Fe/Mn Co-Doped Titania Nanotubes Conference PresentationAIChE Annual MeetingOctober 17, 2011Fe/Mn co-doped titania nanotubes has been synthesized by solution combustion followed by the hydrothermal treatment. Combustion synthesis has emerged...
Electrostatic Stabilization of Silicon Nanocrystal Colloids for Solution-Processed Photovoltaics Conference PresentationAIChE Annual MeetingOctober 16, 2011The tunable optoelectronic properties of semiconductor nanocrystals (NCs) have garnered significant attention for photovoltaic device integration...
Atomic Layer Deposition of Nanoscale Materials for Energy Conversion Conference PresentationAIChE Annual MeetingOctober 16, 2011For a number of technologies, including microelectronics and energy conversion devices, feature sizes are becoming increasingly small, and the need...
Development of a Scalable Bottom-up Nanomanufacturing Platform for Highly Efficient Photovoltaics Conference PresentationAIChE Annual MeetingOctober 16, 2011Solar energy is clean, abundant, and renewable, yet it is vastly under-utilized in the current world. Although crystalline silicon solar cells are...
Mechanism of Li Adsorption On Carbon Nanotube-Fullerene Hybrid System: A First-Principles Study Conference PresentationAIChE Annual MeetingOctober 16, 2011The lithium (Li) adsorption mechanism on the metallic (5,5) single wall carbon nanotube (SWCNT)-fullerene (C 60 ) hybrid material system is...
Novel Quaternary Ammonium Ionic Liquid Electrolyte for Stable, High Capacity Si Nanowire Based Li-Ion Battery Conference PresentationAIChE Annual MeetingOctober 16, 2011In recent years, there has been interest in silicon nanowires as an anode for Li-ion battery because of its large gravimetric capacity of 4200 mAh/g...
Raman and XPS Investigation of Copper Promoted Transition Metal Doped Ferrites – High Temperature Water Gas Shift Activity Conference PresentationAIChE Annual MeetingNovember 11, 2010In our previous studies, we introduced a variety of metal ions (M = Cr, Mn, Co, Ni, Cu, Zn, and Ce) into iron oxide (spinel lattice) and screened for...
Photoelectrochemical Properties of Birnessite-Type MnO2 Thin Films for Solar Water Splitting Conference PresentationAIChE Annual MeetingNovember 11, 2010Photoelectrochemical (PEC) water splitting to produce clean hydrogen fuel is an attractive method for harvesting intermittent solar energy and...
Zeolite – Protic Ionic Liquid Composites: Preparation, Characterization and Evaluation of Ion Conduction Properties Conference PresentationAIChE Annual MeetingNovember 10, 2010Fuel Cells (FCs) have been recognized as one important device for efficient transformation of chemical energy to electricity. Among the different FC...
Stability and ORR Activity of Nitrogen Functionalized Ordered Mesoporous Carbon Supports Conference PresentationAIChE Annual MeetingNovember 10, 2010The most popular catalyst for low temperature proton exchange membrane fuel cells (PEMFC) is platinum (Pt) nanoparticles supported on carbon [1]. One...
A Molecular Dynamics Simulation Study of Hydrated Sulfonated Poly (Ether Ether Ketone) for Application to Polymer Electrolyte Membrane Fuel Cells Conference PresentationAIChE Annual MeetingNovember 10, 2010S-PEEK has been known as one of the promising candidates for fuel cell application since it has high thermo-oxidative stability and extraordinary...
PVA-Calcium Oxide Composite Membrane for Direct Methanol Fuel Cell Conference PresentationAIChE Annual MeetingNovember 10, 2010The large scale utilization of Nafion® in Direct Methanol Fuel Cell( DMFC) is still constrained by high methanol permeability and high temperature...
Photocatalytic Activity of TiO2 and TiO2-xCxNy Thin Films From Polymer Assisted Deposition Conference PresentationAIChE Annual MeetingNovember 9, 2010Since the 1972 discovery of Fujishima and Honda detecting the occurrence of water splitting on TiO2 electrodes, titanium dioxide's use as a...
Oriented Single-Crystalline Rutile TiO2 Nanorods On Transparent Conducting Substrates for Dye-Sensitized Solar Cells Conference PresentationAIChE Annual MeetingNovember 9, 2010Dye-sensitized solar cells (DSSCs) made from oriented, one-dimensional (1D) semiconductor nanostructures such as nanorods, nanowires, and nanotubes...
Performance Enhancement of Hybrid Solar Cells through Chemical Vapor Annealing Conference PresentationAIChE Annual MeetingNovember 9, 2010Semiconductor nanostructure-based solar cells, such as dye-sensitized solar cells, all-inorganic nanostructure solar cells, and hybrid inorganic...
Sub-Picosecond Dynamics of Free Electrons in TiO2 Nanotubes Conference PresentationAIChE Annual MeetingNovember 9, 2010The sub-picosecond mobility and lifetime of free electrons injected into TiO2 nanotubes were probed with sub-picosecond temporal resolution using...
Hot Electron Transfer From Semiconductor Nanocrystals Conference PresentationAIChE Annual MeetingNovember 9, 2010
Cu(In,Ga)Se2 (CIGS) and CuIn(SeS)2 (CISS) Nanocrystals and Their Use as Printable Photovoltaic Media and Medical Imaging Contrast Agents Conference PresentationAIChE Annual MeetingNovember 9, 2010We have developed the colloidal synthesis of I-III-VI2 semiconductor nanocrystals of Cu(In,Ga)Se2 (CIGS) and CuIn(SeS)2 (CISS). These nanocrystals...
Using Supercritical Fluids for CdS and CdTeS Nanoparticle Decorated TiO2 Nanostructures Conference PresentationAIChE Annual MeetingNovember 9, 2010Abstract: TiO2 nanowires were sensitized with CdS and CdTeS quantum dots which were grown using an in situ colloidal method using both conventional...
Exploiting Equilibrium Properties for Assembly of Core/Shell-Like Compound Semiconductor Nanocrystals Conference PresentationAIChE Annual MeetingNovember 9, 2010Typical synthesis of core/shell nanostructures involves a rigorous two-step protocol. It is common to synthesize the semiconducting core first,...
Solution-Grown CuInSe2 Nanowires for Low-Cost Photovoltaics Conference PresentationAIChE Annual MeetingNovember 9, 2010A semiconductor media that could be printed under ambient conditions by a roll-to-roll process on plastic substrates to fabricate photovoltaic...
Modeling & Optimization of Dye Sensitized Solar Cells with Core/Shell Nanowire Array-Based Photoanodes Conference PresentationAIChE Annual MeetingNovember 9, 2010The benefits of utilizing nanowire-based photoanodes for dye sensitized solar cells is quickly becoming apparent. Nanowire structures allow for the...
Evidence for High-Efficiency Exciton Dissociation at Poly(3-hexylthiophene)/Single-Walled Carbon Nanotube Interfaces in Planar Nano-Heterojunction Photovoltaics Conference PresentationAIChE Annual MeetingNovember 9, 2010There is significant interest in combining carbon nanotubes with semiconducting polymers for photovoltaic applications due to potential advantages...
Understanding and Controlling Organic-Inorganic Interfaces in Mesostructured Titania/Conjugated Polymer Materials for Photovoltaic Applications Conference PresentationAIChE Annual MeetingNovember 9, 2010The use of surfactant-directed mesostructured inorganic materials allows for the preparation of oxide frameworks as continuous transparent films with...
Gas Sorption in Ionic Liquid-Carbon Nanotube Composite Materials Conference PresentationAIChE Annual MeetingNovember 8, 2010Molecular dynamics and Monte Carlo simulations were used to study the ionic liquid 1-n-Hexyl-3-methylimidazolium bis(Trifluoromethylsulfonyl)amide ([...
Hydrophilic Superparamagnetic Nanoparticles: Synthesis, Characterization and Application in Forward Osmosis Processes Conference PresentationAIChE Annual MeetingNovember 7, 2010*Corresponding author, Email: chencts@nus.edu.sg , Fax: (65)-6779 1936 ABSTRACT Freshwater shortage has caused serious world-wide problems and many...
Solar Hydrogen Production Using Ferrite-Based Water Splitting Cycles On Al2O3 Substrates Conference PresentationAIChE Annual MeetingNovember 8, 2009We are reporting the results of an alternative ferrite cycle in which the ferrite (CoFe2O4) is deposited on a porous Al2O3 support via atomic layer...
Synthesis and Characterization of New Bimetallic Spinel Oxy-Nitride Photocatalysts Conference PresentationAIChE Annual MeetingNovember 8, 2009Photocatalysis is the acceleration of a slow reaction by a photon-assisted process with titanium dioxide (TiO2) being the material of choice for most...
Titania Nanotube Supported Gold Photoanodes Conference PresentationAIChE Annual MeetingNovember 8, 2009Photoelectrochemical cells (PEC) combine a photovoltaic device for light harvesting and an electrolyzer for water splitting into a single system...
Design and Process Control Issues In Nanomanufacturing Conference PresentationAIChE Annual MeetingNovember 17, 2008This presentation will raise awareness of some key process issues involved in answering the following primary question: in manufacturing products...
Machine Learning Applied to Producing New Materials November 8, 2017Much effort has gone into developing new materials, thanks to projects like the Materials Genome Initiative and the
Placement of Catalyst in Electrospun Silica Nanofibers for the Alkaline Hydrolysis of Biomass Conference PresentationAIChE Annual MeetingNovember 11, 2010The use of electrospinning to generate one dimensional materials has garnered significant interest lately due to its inexpensive nature and the...
Giant Molecular Cages Maximize Efficiency of Converting Molecules in Chemical Reactions June 30, 2017The molecular cages show potential for use in energy conversion, drug delivery, and as sensors.
New Nanomaterials Switch from Hydrophobic to Hydrophillic June 9, 2017Researchers at Swansea University have developed a new class of nanomaterials with tunable wettability that have wide ranging applications from antifouling to waterproofing.
CEP: News Update July2017News UpdateMOF Cloth Could Thwart Chemical Warfare A new method of growing metal-organic frameworks on fabrics could lead to clothes that protect soldiers and first responders against chemical warfare agents. A Zap of Electrons Yields On-Demand Ammonia Ammonia...
Laser-induced Graphene Exhibits Antibacterial and Anti-Fouling Properties May 26, 2017The spongy graphene known as laser-induced graphene (LIG) is extremely resistant to biofilm formation and exhibits antibacterial properties, according to researchers at Rice University.
Meet Chemical Engineer and MIT Professor Paula Hammond April 20, 2017As part of the ongoing series "Storied Women," MIT recently featured