Photochemical route for synthesizing atomically dispersed palladium catalysts
- Pengxin Liu, Yun Zhao, N. Zheng
- 13 May 2016
A photochemical strategy to fabricate a stable atomically dispersed palladium–titanium oxide catalyst (Pd1/TiO2) on ethylene glycolate–stabilized ultrathin TiO2 nanosheets containing Pd up to 1.5%.
Disordered amorphous calcium carbonate from direct precipitation
- Masoud Farhadi Khouzani, D. Chevrier, D. Gebauer
- Materials Science
- 22 June 2015
Amorphous calcium carbonate (ACC) is known to play a prominent role in biomineralization. Different studies on the structure of biogenic ACCs have illustrated that they can have distinct short-range…
Novel nanoporous N-doped carbon-supported ultrasmall Pd nanoparticles: Efficient catalysts for hydrogen storage and release
- Katherine Koh, Mina Jeon, D. Chevrier, Peng Zhang, Chang Won Yoon, T. Asefa
- 1 April 2017
Energy Migration Upconversion in Manganese(II)-Doped Nanoparticles.
- Xiyan Li, Xiaowang Liu, Xiaogang Liu
- Materials ScienceAngewandte Chemie
- 2 November 2015
Both experimental and theoretical studies provide evidence for Mn(2+) doping in the lanthanide-based host lattice arising from the formation of F(-) vacancies around Mn( 2+) ions to maintain charge neutrality in the shell layer.
Identification of a highly luminescent Au22(SG)18 nanocluster.
- Yong Yu, Zhentao Luo, J. Xie
- PhysicsJournal of the American Chemical Society
- 14 January 2014
The results indicate that the luminescence of Au22(SR)18 originates from the long Au(I)-thiolate motifs on the NC surface via the aggregation-induced emission pathway, and structure prediction by density functional theory suggests that Au 22( SR)18 has two RS-[Au-SR]3 and two RS-SR4 motifs, interlocked and capped on a prolate Au8 core.
Properties and applications of protein-stabilized fluorescent gold nanoclusters: short review
- D. Chevrier, A. Chatt, Peng Zhang
Research is turning toward nanotechnology for solutions to current limitations in bio- medical imaging and analytical detection applications. New to fluorescent nanomaterials that could help advance…
The Structure and Bonding of Au25(SR)18 Nanoclusters from EXAFS: The Interplay of Metallic and Molecular Behavior
- M. Macdonald, D. Chevrier, Peng Zhang, Huifeng Qian, R. Jin
- Physics, Chemistry
- 15 July 2011
While recent advances in the synthesis and crystallography of gold–thiolate nanoclusters have led to enormous progress in understanding the structure and bonding of gold thiolate nanomaterials, the…
Description and Role of Bimetallic Prenucleation Species in the Formation of Small Nanoparticle Alloys.
- L. Marbella, D. Chevrier, J. Millstone
- ChemistryJournal of the American Chemical Society
- 15 December 2015
Results demonstrate that prenucleation species, which are discrete molecular precursors distinct from both initial reagents and final particle products, may provide an important new synthetic route to control final metal nanoparticle composition and composition architectures.
Following the Thermal Activation of Au25(SR)18 Clusters for Catalysis by X-ray Absorption Spectroscopy
- A. Shivhare, D. Chevrier, R. Purves, Robert W. J. Scott
- 23 September 2013
We show the thermal activation of phenylethanethiolate (L = SC8H9) and hexanethiolate (L = SC6H13) Au25L18 monolayer protected clusters (MPCs) on carbon black supports, followed by characterization…
Unique Bonding Properties of the Au36(SR)24 Nanocluster with FCC-Like Core.
- D. Chevrier, A. Chatt, Peng Zhang, Chenjie Zeng, R. Jin
- Physics, ChemistryJournal of Physical Chemistry Letters
- 11 September 2013
These findings highlight the important role of "pseudo"-Au4 units within the FCC-like Au28 core in interpreting the bonding properties of Au36(SR)24 and suggest that FCC- like structure in gold thiolate nanoclusters should be treated differently from its bulk counterpart.