Papers

With Tag: General Chemistry

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Molecular Architectures

Christopher A. Reed
Acc. Chem. Res. | 2005 | 10.1021/ar050039e

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Nanographene and Graphene Edges: Electronic Structure and Nanofabrication

Toshiaki Enoki, Shintaro Fujii
Acc. Chem. Res. | 2012 | 10.1021/ar300120y

Graphene can be referred to as an infinite polycyclic aromatic hydrocarbon (PAH) consisting of an infinite number of benzene rings fused together. However, at the nanoscale, nanographene’s properties lie in between those of bulk graphene and large PAH...

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Excited Electronic States and Nonadiabatic Effects in Contemporary Chemical Dynamics

Susanta Mahapatra
Acc. Chem. Res. | 2009 | 10.1021/ar800186s

The question of how to describe the crossing of molecular electronic states is one of the most challenging issues in contemporary chemical dynamics. In recent years, the fundamental concept of conical intersections (CIs) of electronic potential energy...

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Dynamics of the Photoexcited Electron at the Chromophore–Semiconductor Interface

Victor V. Prezhdo, Oleg V. Prezhdo, Walter R. Duncan
Acc. Chem. Res. | 2008 | 10.1021/ar700122b

Electron dynamics at molecular−bulk interfaces play a central role in a number of different fields, including molecular electronics and sensitized semiconductor solar cells. Describing electron behavior in these systems is difficult because it requires a...

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Cones and Tubes:  Geometry in the Chemistry of Carbon

Thomas W. Ebbesen
Acc. Chem. Res. | 1998 | 10.1021/ar960168i

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Notes on the quantization of FRW model in the presence of a cosmological constant and radiation

Brazilian Journal of Physics | 2005 | 10.1590/S0103-97332005000700024

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Applied Climate-Change Analysis: The Climate Wizard Tool

PLOS ONE | 2009 | 10.1371/journal.pone.0008320

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Monitoring Supramolecular Self-Assembly using Time-Resolved Fluorescence Spectroscopy

Australian Journal of Chemistry | 2011 | 10.1071/CH11066

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Low-Valent Ruthenium and Iridium Hydride Complexes as Alternatives to Lewis Acid and Base Catalysts

Shun-Ichi Murahashi, Hikaru Takaya
Acc. Chem. Res. | 2000 | 10.1021/ar980085x

The discovery of a new chemical reaction often leads to new applications and new chemical principles. Low-valent ruthenium and iridium hydride complexes are highly useful redox Lewis acid and base catalysts. Nitriles are activated by these catalysts and...

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Selective Fluoroalkylations with Fluorinated Sulfones, Sulfoxides, and Sulfides†

G. K. Surya Prakash, Jinbo Hu
Acc. Chem. Res. | 2007 | 10.1021/ar700149s

Efficient fluoroalkylations have been proven to be a highly useful strategy for the synthesis of bioactive fluorine-containing compounds and other materials. The design and use of a single category of reagents for multiple synthetic goals are much more...

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The Curious Case of the Hydrated Proton

Chris Knight, Gregory A. Voth
Acc. Chem. Res. | 2011 | 10.1021/ar200140h

Understanding the hydrated proton is a critically important problem that continues to engage the research efforts of chemists, physicists, and biologists because of its involvement in a wide array of phenomena. Only recently have several unique properties of...

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General circulation model estimates of the net vertical flux of ozone in the lower stratosphere and the implications for the tropospheric ozone budget

Louis T Gidel, M A Shapiro
Journal of Geophysical Research | 1980 | 10.1029/JC085iC07p04049

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Reduced Metallic Properties of Ligand-Stabilized Small Metal Clusters

Uwe Hartmann, Günter Schmid, Huijing Zhang
Nano Letters | 2003 | 10.1021/nl0258980

Low-temperature ultrahigh-vacuum scanning tunneling microscopy was employed to analyze the electronic behavior of Au 55 clusters stabilized by [P(C 6 H 5 ) 3 ] 12 Cl 6 ligands. At 7 K, the actual arrangement of the C 6 H 5 rings of the ligand molecules...

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How Evaporating Carbon Nanotubes Retain Their Perfection?

Kun Jiao, Yu Lin, Boris I. Yakobson, Feng Ding
Nano Lett. | 2007 | 10.1021/nl0627543

We present a mechanism of high-temperature sublimation of carbon nanotubes that does not destroy their ordered makeup even upon significant loss of mass. The atoms depart to the gas phase from the pentagon−heptagon dislocation cores, while the bond disruption...

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Anomalous Hydration Shell Order of Na+ and K+ inside Carbon Nanotubes

Jian Zhou, Qing Shao, Linghong Lu, Yudan Zhu, Shaoyi Jiang, Xiaohua Lu
Nano Lett. | 2009 | 10.1021/nl803044k

We performed molecular dynamics simulations of the hydration of Na + and K + in infinitely long single-walled armchair carbon nanotubes (CNTs) at 298 K. Simulation results indicate that the preferential orientation of water molecules in coordination shells...

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Observation of Breathing-like Modes in an Individual Multiwalled Carbon Nanotube

Carola Meyer, Matthias Müller, Christian Spudat, Karin Goss, Janina Maultzsch, Claus M. Schneider, Lothar Houben, Christian Thomsen
Nano Lett. | 2010 | 10.1021/nl102305a

We study collective vibrational breathing modes in the Raman spectrum of a multiwalled carbon nanotube. In correlation with high-resolution transmission electron microscopy, we find that these modes have energies differing by more than 23% from the radial...

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Carbon Nanotube−Metal Cluster Composites:  A New Road to Chemical Sensors?

Q. Zhao, J. Bernholc, M. Buongiorno Nardelli, W. Lu
Nano Lett. | 2005 | 10.1021/nl050167w

Novel carbon nanotube−metal cluster structures are proposed as prototype systems for molecular recognition at the nanoscale. Ab initio calculations show that already the bare nanotube cluster system displays some specificity because the adsorption of ammonia...

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Local Electronic Structure around a Single Kondo Impurity

Emily A. Carter, Patrick Huang
Nano Lett. | 2006 | 10.1021/nl0602847

The local electronic structure due to the adsorption of Co on Cu(111) is studied using an embedded cluster model, in which the crystal background is taken into account via an effective density functional theory (DFT)-based potential. This approach goes beyond...

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