Meet our newest group member! Time for all of us to get familiar with CAD.

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Conductive inks for screen printing need specific rheology. Commercial inks need polymer binders, high-boiling solvents, and >30 wt% graphene. This ink hits the same viscosity window with graphite, water, and an alkane. Three ingredients. 40 seconds of shaking. doi.org/10.1038/s41598-020-74821-3

Interface-exfoliated graphene-based conductive screen-printing inks: low-loading, low-cost, and additive-free - Scientific Reports

Scientific Reports - Interface-exfoliated graphene-based conductive screen-printing inks: low-loading, low-cost, and additive-free

nature.com

PEO synthesis usually starts with pyrophoric potassium reagents (cumylpotassium, potassium naphthalenide) because ROH + KOH barely forms the alkoxide you need. The equilibrium lies far left. What if you just removed the water? doi.org/10.1039/C6RA22064A

Azeotrope enabled polymerization of ethylene oxide

Poly(ethylene oxide) (PEO) is a nonionic hydrophilic polymer having the same repeat unit as poly(ethylene glycol) (PEG), distinguished from PEG only by mass or synthetic approach. It is of interest…

pubs.rsc.org

In grafting-from brushes, chains deplete monomer near the surface as they grow. Longer chains reach richer solution and grow faster -- you get broad dispersity and barely extended chains. What if the monomer gradient ran the other way? doi.org/10.1021/acs.macromol.2c00685

New from the Adamson Lab in J. Mater. Chem. A! This hydrogel generates electricity from humidity. No solar. No wind. No batteries. Just moisture in the air. 0.78 V sustained for over 120 hours. Four of them power a calculator. doi.org/10.1039/D5TA...

New from the Adamson Lab in Journal of Membrane Science! Two wires on a membrane. Push salt water through at 5 V. pH hits 10.4, gas bubbles form. No counter-electrode. The membrane runs electrochemistry by itself. www.sciencedirect.com/science/arti...

Electroactive graphene–polyamide membranes with intrinsic RC networks for flow-through water treatment

Electrochemical water treatment requires two electrodes to complete a redox circuit, and previous electrically conductive membranes, whether based on …

sciencedirect.com

hBN is graphene's electrically insulating cousin. Like graphene, we found that it exfoliates at an oil-water interface and stabilizes high internal phase emulsions (HIPEs). What do you get if you polymerize the oil phase around it? doi.org/10.1021/acsami.4c16149

Hexagonal Boron Nitride as a Two-Dimensional Surfactant: Low-Density Flame-Resistant Composites Based on Boron Nitride Exfoliated by an Interface Trapping Technique

Hexagonal boron nitride (hBN) is a two-dimensional material isoelectric to graphene. It has a hexagonal structure with alternating boron and nitrogen atoms and is electrically insulating, thermally…

doi.org

In 1911, over a million women marched for the right to work and vote. 115 years later, 15 women have carried this lab's research forward - today, 4 of our 8 members are women. Every bond in this lattice is load-bearing. So are they. Happy International Women's Day 💜🔬

Getting graphene out of a graphite emulsion is the hard part. We remembered back to our original paper: graphene spontaneously climbs wet glass vial walls. That became the separation strategy. doi.org/10.1021/acs.langmuir.1c00917

Chromatographic Approach to Isolate Exfoliated Graphene

A chromatographic approach for separating exfoliated graphene from natural flake graphite is presented. Graphene is an extremely strong, electrically and thermally conductive two-dimensional…

doi.org

Graphene is hydrophobic, so shaking it with oil and water makes a water-in-oil emulsion. Polymerize the oil phase and you get a conductive foam. That's the normal outcome of our graphene exfoliation method. Add tannic acid and the emulsion inverts completely. www.sciencedirect.com/science/arti...

Polyphenol modification of graphene-stabilized emulsions to form electrically conductive polymer spheres

Polyphenols, specifically tannic acid, should increase the hydrophilicity of graphene when added during the interfacial exfoliation through π-π stacki…

sciencedirect.com

Prior work sonicated after intercalation in graphene oxide synthesis - no conclusion. We sonicated during intercalation: ultrasound slows oxidation. 30% stronger composites, 2.6× better electrochemical sensing. Liyanage et al. (UConn), Carbon 2024 www.sciencedirect.com/science/arti...

Synthesis of graphene oxide: Effect of sonication during oxidation

The oxidation of graphite to graphene oxide (GO) is a widely used approach to exfoliate graphite. Nevertheless, achieving precise control over the deg…

sciencedirect.com