ArticleJournal of materials chemistry2012
Surface area and pore size characteristics of nanoporous gold subjected to thermal, mechanical, or surface modification studied using gas adsorption isotherms, cyclic voltammetry, thermogravimetric analysis, and scanning electron microscopy.
Article in Journal of materials chemistry, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.
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Who cites it
48 citing papers in PubMed.
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- Hybrid Nanoporous Gold-Cyclodextrin Nanosponge Platforms for Enhanced Model Contaminant Detection.ACS applied polymer materials · 2026Article
- Manganese (Mn) doping effects on the structure and surface characteristics of copper zinc tin sulphide (CZTS) transition metal sulphides synthesisedRSC advances · 2026Article
- Nanoporous Gold for Enzyme Immobilization.Methods in molecular biology (Clifton, N.J.) · 2026Article
- Advances in Mesoporous Silica and Hybrid Nanoparticles for Drug Delivery: Synthesis, Functionalization, and Biomedical Applications.Pharmaceutics · 2025Review
- Heterointerface-Driven Electronic Modulation in MoOSmall (Weinheim an der Bergstrasse, Germany) · 2025Article
- Catalytically Active Oxidized PtOx Species on SnONanomaterials (Basel, Switzerland) · 2025Article
- Exploring the diffusion of DNA strands into nanoporous structures for establishing a universal electrochemical biosensor.Chemical science · 2025Article
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- Electrochemical and chemical dealloying of nanoporous anode materials for energy storage applications.Science and technology of advanced materials · 2025Review
- Characterization and adsorption performance of nano-hydroxyapatite synthesized fromRSC advances · 2024Article
- Why surface hydrophobicity promotes COChemical science · 2023Article
- Recent Advances in Bimetallic Nanoporous Gold Electrodes for Electrochemical Sensing.Nanomaterials (Basel, Switzerland) · 2023Review
- Immobilized nickel boride nanoparticles on magnetic functionalized multi-walled carbon nanotubes: a new nanocomposite for the efficient one-pot synthesis of 1,4-benzodiazepines.Nanoscale advances · 2023Article
- Nanoporous Gold: From Structure Evolution to Functional Properties in Catalysis and Electrochemistry.Chemical reviews · 2023Review
- Flexible IrOActa biomaterialia · 2023Article
- Three-dimensional free-standing gold nanowire networks as a platform for catalytic applications.RSC advances · 2023Article
- New Perspectives for Evaluating the Mass Transport in Porous Catalysts and Unfolding Macro- and Microkinetics.Catalysis letters · 2023Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
Nitrogen adsorption/desorption isotherms are used to investigate the Brunauer, Emmett, and Teller (BET) surface area and Barrett-Joyner-Halenda (BJH) pore size distribution of physically modified, thermally annealed, and octadecanethiol functionalized np-Au monoliths. We present the full adsorption-desorption isotherms for N(2) gas on np-Au, and observe type IV isotherms and type H1 hysteresis loops. The evolution of the np-Au under various thermal annealing treatments was examined using scanning electron microscopy (SEM). The images of both the exterior and interior of the thermally annealed np-Au show that the porosity of all free standing np-Au structures decreases as the heat treatment temperature increases. The modification of the np-Au surface with a self-assembled monolayer (SAM) of C(18)-SH (coverage of 2.94 × 10(14) molecules cm(-2) based from the decomposition of the C(18)-SH using thermogravimetric analysis (TGA)), was found to reduce the strength of the interaction of nitrogen gas with the np-Au surface, as reflected by a decrease in the 'C' parameter of the BET equation. From cyclic voltammetry studies, we found that the surface area of the np-Au monoliths annealed at elevated temperatures followed the same trend with annealing temperature as found in the BET surface area study and SEM morphology characterization. The study highlights the ability to control free-standing nanoporous gold monoliths with high surface area, and well-defined, tunable pore morphology.
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Registered trials
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