Hydrocarbon analogues of boron clusters—planarity, aromaticity and antiaromaticity

HJ Zhai, B Kiran, J Li, LS Wang - Nature materials, 2003 - nature.com
An interesting feature of elemental boron and boron compounds is the occurrence of highly
symmetric icosahedral clusters. The rich chemistry of boron is also dominated by three …

High Quantum Yield Blue Emission from Water-Soluble Au8 Nanodots

J Zheng, JT Petty, RM Dickson - Journal of the American Chemical …, 2003 - ACS Publications
Prepared within biocompatible poly (amidoamine) dendrimer hosts, blue emitting Au8
nanodots were prepared with fluorescence quantum yields more than 100 times larger than …

Hepta‐and octacoordinate boron in molecular wheels of eight‐and nine‐atom boron clusters: Observation and confirmation

HJ Zhai, AN Alexandrova, KA Birch… - Angewandte Chemie …, 2003 - Wiley Online Library
Clusters of atoms can adopt different atomic arrangements from bulk materials. They often
exhibit novel structures and properties, which provide opportunities for new types of …

On the Electronic and Atomic Structures of Small AuN- (N = 4−14) Clusters:  A Photoelectron Spectroscopy and Density-Functional Study

H Häkkinen, B Yoon, U Landman, X Li… - The Journal of …, 2003 - ACS Publications
We report a joint experimental and theoretical study of the electronic and atomic structures of
small gold clusters with up to 14 atoms. Well-resolved photoelectron spectra were obtained …

Origin of unusual catalytic activities of Au-based catalysts

YD Kim, M Fischer, G Ganteför - Chemical physics letters, 2003 - Elsevier
Experimental evidences for the non-dissociative chemisorption of O2 are presented on even-
numbered free Au anion clusters (Aun−, n= number of atoms) up to Au20− at room …

Structures and electronic properties of Cu20, Ag20, and Au20 clusters with density functional method

J Wang, G Wang, J Zhao - Chemical physics letters, 2003 - Elsevier
We have investigated the lowest-energy structures and electronic properties of the 20-atoms
coinage metal clusters (Cu20, Ag20, and Au20) using density functional theory (DFT) within …

All That Glitters Is Not Au0

RJ Davis - Science, 2003 - science.org
(4) and Papke et al.(5) on Thermoplasma acidophilum. This thermophilic archaebacterium
was first discovered in self-igniting coal refuse piles in North America; its natural habitat in …

Magic bimetallic cluster anions of M/Pb (M= Au, Ag and Cu) observed and analyzed by laser ablation and time‐of‐flight mass spectrometry

X Xing, Z Tian, H Liu, Z Tang - Rapid communications in mass …, 2003 - Wiley Online Library
By using laser ablation on mixtures of coinage metals M (Cu, Ag, Au) and lead, M/Pb binary
cluster anions containing up to tens of atoms were produced and analyzed. Most of the …

Assignment of photoelectron spectra of AuX2 (X= Cl, Br, and I) clusters

B Dai, J Yang - Chemical physics letters, 2003 - Elsevier
Hybrid density functional theory (DFT) calculations are performed to study AuX2 (X= Cl, Br,
and I) clusters in the neutral and anionic charge states. The equilibrium geometries of AuX2 …

Structure of extremely nanosized and confined In-O species in ordered porous materials

JM Ramallo-López, M Rentería, EE Miró, FG Requejo… - Physical review …, 2003 - APS
Perturbed-angular correlation, x-ray absorption, and small-angle x-ray scattering
spectroscopies were suitably combined to elucidate the local structure of highly diluted and …