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Formation of silver nanoparticles on lignin and two of its precursors
Dahle, Sebastian (Author), Wegewitz, L. (Author), Viöl, Wolfgang (Author), Maus-Friedrichs, Wolfgang (Author)

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Abstract
Metastable Induced Electron Spectroscopy, Ultraviolet Photoelectron Spectroscopy (He I and He II), X-ray Photoelectron Spectroscopy, and Atomic Force Microscopy were employed to study the interaction of silver with lignin as well as with two of its natural precursors, coniferyl alcohol and sinapyl alcohol. For all three of them, no chemical interaction between the adsorbed silver and the organic substrate was found before contact with air. Nevertheless, silver nanoparticles were found in all three cases after contact with air. Thus, a process of silver nanoparticle formation during the decomposition of the organic molecules is suggested, similar to the previously found catalytic decomposition of cinnamyl alcohol by water in the presence of silver atoms.

Language:English
Keywords:coniferyl alcohol, lignin, metastable induced electron spectroscopy, nanoparticle, silver, sinapyl alcohol, ultraviolet photoelectron spectroscopy, X-Ray photoelectron spectroscopy, atomic force microscopy
Tipology:1.01 - Original Scientific Article
Organization:BF - Biotechnical Faculty
Year:2021
Number of pages:Str. 31-44
Numbering:Let. 70, št. 1
UDC:665.947.4:543.428.4
ISSN on article:0024-1067
DOI:10.26614/les-wood.2021.v70n01a03 This link opens in a new window
COBISS.SI-ID:67289347 This link opens in a new window
Views:115
Downloads:52
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Record is a part of a journal

Title:Les
Shortened title:Les
Publisher:Zveza društev inženirjev in tehnikov gozdarstva in lesarstva Slovenije, Zveza društev inženirjev in tehnikov gozdarstva in lesarstva Slovenije, Biotehniška fakulteta, Oddelek za lesarstvo, Založba Univerze, Biotehniška fakulteta, Oddelek za lesarstvo
ISSN:0024-1067
COBISS.SI-ID:13940224 This link opens in a new window

Secondary language

Language:Slovenian
Title:Tvorba srebrovih nanodelcev na ligninu in njegovih dveh prekurzorjih
Abstract:
Za preučevanje interakcije srebra z ligninom ter z njegovima naravnima prekurzorjema koniferil alkoholom in sinapil alkoholom smo uporabili metastabilno elektronsko spektroskopijo, ultravijolično fotoelektronsko spektroskopijo (He I in He II), rentgensko fotoelektronsko spektroskopijo in mikroskopijo na atomsko silo. V vseh treh primerih nismo ugotovili kemijske interakcije med adsorbiranim srebrom in organskim substratom. Kljub temu pa smo v vseh treh primerih po stiku z zrakom detektirali nanodelce srebra. Na podlagi teh opažanj smo predlagali proces tvorbe srebrovih nanodelcev med razgradnjo organskih snovi, ki je podoben predhodno ugotovljenemu katalitskemu razkroju cinamil alkohola z vodo v prisotnosti atomov srebra.

Keywords:les, koniferil alkohol, lignin, metastabilna elektronska spektroskopija, nanodelci, srebro, sinapil alkohol, ultravijolična fotoelektronska spektroskopija, rentgenska fotoelektronska spektroskopija, mikroskopija na atomsko silo

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