Coherent Bragg imaging of 60 nm Au nanoparticles under electrochemical control at the NanoMAX beamline
(2019) In Journal of Synchrotron Radiation 26. p.1830-1834- Abstract
Nanoparticles are essential electrocatalysts in chemical production, water treatment and energy conversion, but engineering efficient and specific catalysts requires understanding complex structure-reactivity relations. Recent experiments have shown that Bragg coherent diffraction imaging might be a powerful tool in this regard. The technique provides three-dimensional lattice strain fields from which surface reactivity maps can be inferred. However, all experiments published so far have investigated particles an order of magnitude larger than those used in practical applications. Studying smaller particles quickly becomes demanding as the diffracted intensity falls. Here, in situ nanodiffraction data from 60 nm Au nanoparticles under... (More)
Nanoparticles are essential electrocatalysts in chemical production, water treatment and energy conversion, but engineering efficient and specific catalysts requires understanding complex structure-reactivity relations. Recent experiments have shown that Bragg coherent diffraction imaging might be a powerful tool in this regard. The technique provides three-dimensional lattice strain fields from which surface reactivity maps can be inferred. However, all experiments published so far have investigated particles an order of magnitude larger than those used in practical applications. Studying smaller particles quickly becomes demanding as the diffracted intensity falls. Here, in situ nanodiffraction data from 60 nm Au nanoparticles under electrochemical control collected at the hard X-ray nanoprobe beamline of MAX IV, NanoMAX, are presented. Two-dimensional image reconstructions of these particles are produced, and it is estimated that NanoMAX, which is now open for general users, has the requisites for three-dimensional imaging of particles of a size relevant for catalytic applications. This represents the first demonstration of coherent X-ray diffraction experiments performed at a diffraction-limited storage ring, and illustrates the importance of these new sources for experiments where coherence properties become crucial.
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- author
- Björling, Alexander LU ; Carbone, Dina LU ; Sarabia, Francisco J. ; Hammarberg, Susanna LU ; Feliu, Juan M. and Solla-Gullón, José
- organization
- publishing date
- 2019
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- coherent diffraction imaging, electrocatalysis, nanodiffraction
- in
- Journal of Synchrotron Radiation
- volume
- 26
- pages
- 5 pages
- publisher
- International Union of Crystallography
- external identifiers
-
- scopus:85071776375
- pmid:31490177
- ISSN
- 0909-0495
- DOI
- 10.1107/S1600577519010385
- language
- English
- LU publication?
- yes
- id
- 8df59265-323a-415d-acd0-fd4da47718ae
- date added to LUP
- 2019-09-17 11:03:37
- date last changed
- 2024-05-28 23:51:37
@article{8df59265-323a-415d-acd0-fd4da47718ae,
abstract = {{<p>Nanoparticles are essential electrocatalysts in chemical production, water treatment and energy conversion, but engineering efficient and specific catalysts requires understanding complex structure-reactivity relations. Recent experiments have shown that Bragg coherent diffraction imaging might be a powerful tool in this regard. The technique provides three-dimensional lattice strain fields from which surface reactivity maps can be inferred. However, all experiments published so far have investigated particles an order of magnitude larger than those used in practical applications. Studying smaller particles quickly becomes demanding as the diffracted intensity falls. Here, in situ nanodiffraction data from 60 nm Au nanoparticles under electrochemical control collected at the hard X-ray nanoprobe beamline of MAX IV, NanoMAX, are presented. Two-dimensional image reconstructions of these particles are produced, and it is estimated that NanoMAX, which is now open for general users, has the requisites for three-dimensional imaging of particles of a size relevant for catalytic applications. This represents the first demonstration of coherent X-ray diffraction experiments performed at a diffraction-limited storage ring, and illustrates the importance of these new sources for experiments where coherence properties become crucial.</p>}},
author = {{Björling, Alexander and Carbone, Dina and Sarabia, Francisco J. and Hammarberg, Susanna and Feliu, Juan M. and Solla-Gullón, José}},
issn = {{0909-0495}},
keywords = {{coherent diffraction imaging; electrocatalysis; nanodiffraction}},
language = {{eng}},
pages = {{1830--1834}},
publisher = {{International Union of Crystallography}},
series = {{Journal of Synchrotron Radiation}},
title = {{Coherent Bragg imaging of 60 nm Au nanoparticles under electrochemical control at the NanoMAX beamline}},
url = {{http://dx.doi.org/10.1107/S1600577519010385}},
doi = {{10.1107/S1600577519010385}},
volume = {{26}},
year = {{2019}},
}