Nanochemistry

News and Updates

Researchers Explore Energy-saving Catalysts that Operate at Room Temperature

April 15, 2019

NIST researchers have explored in unprecedented detail a new breed of catalysts that allow some chemical reactions,...

An electron micrograph showing a globular cluster of silver nanoparticles atop the surface of a cutting board from which it was scratched off.

Do Kitchen Items Shed Antimicrobial Nanoparticles After Use?

November 08, 2018

Because of their antimicrobial and antifungal properties, silver nanoparticles measuring between one and 100 nanometers...

Atomic-Scale Movies Reveal That Catalyst Nanoparticles Undergo Internal Changes to Forge Carbon Nanotubes

September 20, 2017

Lights, camera, catalysis! Researchers at the National Institute of Standards and Technology (NIST) have made some of...

Even Better than DNA Origami

September 01, 2017

DNA is the stuff of life, but it is also the stuff of nanotechnology. Because molecules of DNA with complementary...

Publications

Parallel multi-parameter study of PEI-functionalized gold nanoparticle synthesis for bio-medical applications: Part 1. A critical assessment of methodology, properties and stability

August 20, 2019

Author(s):

Tae Joon Cho, Justin M. Gorham, John M. Pettibone, Jingyu Liu, Jiaojie Tan, Vincent A. Hackley

Cationic polyethyleneimine (PEI) conjugated gold nanoparticles (AuNPs) that are chemically and physically stable under physiological conditions are an ideal...

Direct-write Lithiation of Silicon Using a Focused Ion Beam of Li+

July 08, 2019

Author(s):

William R. McGehee, Evgheni Strelcov, Vladimir P. Oleshko, Christopher L. Soles, Nikolai B. Zhitenev, Jabez J. McClelland

Electrochemical processes that govern the performance of lithium ion batteries involve numerous parallel reactions and interfacial phenomena that complicate...

Discriminated properties of PEI functionalized gold nanoparticles (Au-PEIs) predetermined by synthetic routes of ligand exchange and reduction processes: Paths and Fates

June 17, 2019

Author(s):

Tae Joon Cho, John M. Pettibone, Vincent A. Hackley

Polyethyleneimine (PEI) functionalized AuNPs (Au-PEIs) are have potent as positively charged gold nanoparticles (AuNPs) for nano-medicinal applications, due to...

Low-temperature growth of carbon nanotubes catalyzed by sodium-based ingredients

May 27, 2019

Author(s):

Renu Sharma, Richard Li, Erica F. Antunes, Estekke Cohen, Akira Kudo, Luiz Acauan, Wei-Chang D. Yang, Chih-Ming Wang, Kehang Cui, Andrew Liotta, Ananth G. Rajan, Jules Gardner, David C. Bell, Michael S. Strano, James A. Liddle, Brian L. Wardle

Nanoparticle-catalytic synthesis of carbon nanostructures is an attractive route for producing 1-dimensional carbon nanomaterials, such as carbon nanotubes1 (...

Projects & Programs

Schematic showing DNA origami in a laser beam

Tools & Instruments

X-ray Photoelectron Spectroscopy

The Material Measurement Science Division at NIST performs surface chemical analysis using X-ray Photoelectron Spectroscopy (XPS) with capabilities for routine...

Nanochemistry

News and Updates

Researchers Explore Energy-saving Catalysts that Operate at Room Temperature

Do Kitchen Items Shed Antimicrobial Nanoparticles After Use?

Atomic-Scale Movies Reveal That Catalyst Nanoparticles Undergo Internal Changes to Forge Carbon Nanotubes

Even Better than DNA Origami

Publications

Parallel multi-parameter study of PEI-functionalized gold nanoparticle synthesis for bio-medical applications: Part 1. A critical assessment of methodology, properties and stability

Direct-write Lithiation of Silicon Using a Focused Ion Beam of Li+

Discriminated properties of PEI functionalized gold nanoparticles (Au-PEIs) predetermined by synthetic routes of ligand exchange and reduction processes: Paths and Fates

Low-temperature growth of carbon nanotubes catalyzed by sodium-based ingredients

Projects & Programs

DNA Origami for Precise Manufacturing of Nanoscale Structures

Fundamental Interaction Mechanisms of Engineered Nanomaterials with DNA

Tracking Nanoparticles as Optical Indicators of Device Dynamics

Tools & Instruments

X-ray Photoelectron Spectroscopy