Work

Three-dimensional morphology of nanoporous gold

Year: 2008

Type: article

Abstract: We report transmission electron tomography of nanoporous gold fabricated by chemically dealloying Au35Ag65 films. A number of algorithms were employed to quantitatively characterize the complex three-dimensional nanoporous structure. It was found that gold ligaments and nanopore channels are topologically and morphologically equivalent, i.e., they are inverses of each other in three-dimensional space. Statistical analysis reveals that this bicontinuous nanostructured material is actually quasiperiodic and has, on average, a near zero surface curvature. These quantitative measurements will help in understanding the structural stability of nanoporous gold and in modeling its physical and chemical performances.

Source: Applied Physics Letters

DOI: 10.1063/1.2948902

Authors: Takeshi Fujita, Li-Hua Qian, Koji Inoke, Jonah Erlebacher, Ming-Wei Chen

Institutions: Johns Hopkins University, Tohoku University, Thermo Fisher Scientific (Japan), Advanced Institute for Materials Research, Tohoku University

Language: English

Topic: Nanoporous metals and alloys

Subfield: Materials Chemistry

Field: Materials Science

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W2029026393

FWCI: 7.893

Cites: 15

Cited by: 262

Related to: 10