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Title: Forcing Ladderenes into Plastic Semiconductors with Mechanochemistry

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  1. Department of Chemistry, Tufts University, 62 Talbot Avenue Medford MA 02155 USA
Publication Date:
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
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Grant/Contract Number:
Resource Type:
Journal Article: Publisher's Accepted Manuscript
Journal Name:
Angewandte Chemie (International Edition)
Additional Journal Information:
Journal Name: Angewandte Chemie (International Edition); Journal Volume: 56; Journal Issue: 48; Related Information: CHORUS Timestamp: 2018-01-16 06:56:57; Journal ID: ISSN 1433-7851
Wiley Blackwell (John Wiley & Sons)
Country of Publication:

Citation Formats

Thomas, III, Samuel W. Forcing Ladderenes into Plastic Semiconductors with Mechanochemistry. Germany: N. p., 2017. Web. doi:10.1002/anie.201709598.
Thomas, III, Samuel W. Forcing Ladderenes into Plastic Semiconductors with Mechanochemistry. Germany. doi:10.1002/anie.201709598.
Thomas, III, Samuel W. 2017. "Forcing Ladderenes into Plastic Semiconductors with Mechanochemistry". Germany. doi:10.1002/anie.201709598.
title = {Forcing Ladderenes into Plastic Semiconductors with Mechanochemistry},
author = {Thomas, III, Samuel W.},
abstractNote = {},
doi = {10.1002/anie.201709598},
journal = {Angewandte Chemie (International Edition)},
number = 48,
volume = 56,
place = {Germany},
year = 2017,
month =

Journal Article:
Free Publicly Available Full Text
This content will become publicly available on October 11, 2018
Publisher's Accepted Manuscript

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  • The physical basis of mechanochemistry and the reasons for the initiation and acceleration of chemical reactions upon the mechanical treatment of solids have been considered. The phenomenon of mechanical catalysis has been described in the example case of the oxidation of CO on oxide surfaces, and the nature of the active sites and the laws governing the mechanically activated chemisorption of gases on cleavage and friction surfaces of solids have been examined. The possibilities of the use of the methods of mechanochemistry in processes used to prepare catalysts have been analyzed in examples of decomposition reactions of inorganic compounds andmore » solid-phase synthesis.« less
  • The article provides experimental data on high-energy electron emission during the fine dispersion of coal in vacuo under the influence of an electrostatic field, and shows the mechano-chemical transformation which occurs in the crushed samples. Electron flow is dependent on coal rank and is a maximum in medium rank coals. Long-flame, gas, fat and coking coal show a higher emission value than fusain. Electron flow depends on chemical constitution as well as physical properties (friability, conductivity) of the coal.
  • The phenomenon of the emission of high-energy electrons (EHEE) in the process of the fine dispersion of coals in vacuum has been detected, and mechanochemical transformations in ground samples of them have been demonstrated. The flux of the EHEE depends on the stage of metamorphism of the coal, and its maximum values correspond to coals of the medium stage of metamorphism. Post-emission is characteristic for coals of types D, G, Zh, and K. There are more EHEE from vitrain than from fusain. The flux of the emission of electrons depends both on the chemical structure and on the physical propertiesmore » (brittleness, electrical conductivity) of the coals. A radiation-chemical action of the emitted electrons in the dispersion of coal has been found.« less