Nobler than the Noblest: Noncubic Gold Microcrystallites
Abstract
Abstract Conventional gold comprising the cubic lattice is universally known for its stability. However, well known to chemists and metallurgists, this nobility is challenged by reagents such as aqua regia, which dissolve gold to form a salt solution. Among metals, mercury blends with gold to form amalgam, otherwise transition metals such as copper tend to interact with gold surfaces in electrochemical media. Herein, we report a combined experimental and theoretical investigation of the stability of Au microcrystallites bearing unconventional crystal lattices that exhibit enhanced stability towards Hg and aqua regia and practically no interaction with Cu during electroless plating. The unconventional gold is undoubtedly nobler.
- Authors:
-
[1];
[2];
[1];
[2];
[3]
- Thematic Unit of Excellence on Nanochemistry, and Chemistry and Physics of Materials Unit Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Jakkur P.O. Bangalore 560 064 India
- Department of Physics and Astronomy Vanderbilt University Nashville TN USA, Materials Science and Technology Division Oak Ridge National Laboratory Oak Ridge TN USA
- Centre for Nano and Soft Matter Sciences Jalahalli Bangalore 560013 India
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1460457
- Grant/Contract Number:
- FG02-09ER46554; AC02-05CH11231
- Resource Type:
- Publisher's Accepted Manuscript
- Journal Name:
- Angewandte Chemie
- Additional Journal Information:
- Journal Name: Angewandte Chemie Journal Volume: 130 Journal Issue: 29; Journal ID: ISSN 0044-8249
- Publisher:
- Wiley Blackwell (John Wiley & Sons)
- Country of Publication:
- Germany
- Language:
- English
Citation Formats
Mettela, Gangaiah, Kouser, Summayya, Sow, Chaitali, Pantelides, Sokrates T., and Kulkarni, Giridhar U. Nobler than the Noblest: Noncubic Gold Microcrystallites. Germany: N. p., 2018.
Web. doi:10.1002/ange.201804541.
Mettela, Gangaiah, Kouser, Summayya, Sow, Chaitali, Pantelides, Sokrates T., & Kulkarni, Giridhar U. Nobler than the Noblest: Noncubic Gold Microcrystallites. Germany. https://doi.org/10.1002/ange.201804541
Mettela, Gangaiah, Kouser, Summayya, Sow, Chaitali, Pantelides, Sokrates T., and Kulkarni, Giridhar U. Tue .
"Nobler than the Noblest: Noncubic Gold Microcrystallites". Germany. https://doi.org/10.1002/ange.201804541.
@article{osti_1460457,
title = {Nobler than the Noblest: Noncubic Gold Microcrystallites},
author = {Mettela, Gangaiah and Kouser, Summayya and Sow, Chaitali and Pantelides, Sokrates T. and Kulkarni, Giridhar U.},
abstractNote = {Abstract Conventional gold comprising the cubic lattice is universally known for its stability. However, well known to chemists and metallurgists, this nobility is challenged by reagents such as aqua regia, which dissolve gold to form a salt solution. Among metals, mercury blends with gold to form amalgam, otherwise transition metals such as copper tend to interact with gold surfaces in electrochemical media. Herein, we report a combined experimental and theoretical investigation of the stability of Au microcrystallites bearing unconventional crystal lattices that exhibit enhanced stability towards Hg and aqua regia and practically no interaction with Cu during electroless plating. The unconventional gold is undoubtedly nobler.},
doi = {10.1002/ange.201804541},
journal = {Angewandte Chemie},
number = 29,
volume = 130,
place = {Germany},
year = {Tue Jun 19 00:00:00 EDT 2018},
month = {Tue Jun 19 00:00:00 EDT 2018}
}
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