Synteza nanocząstek złota w roztworach wodnych, bez dodatku i w obecności PVA, Część 1

Pacławski, K.; Antos, P.; Fitzner, K.

Artykuł - szczegóły

Tytuł artykułu

Synteza nanocząstek złota w roztworach wodnych, bez dodatku i w obecności PVA, Część 1

Autorzy

Pacławski K. , Antos P. , Fitzner K.

Identyfikatory

Warianty tytułu

Synthesis of gold nanopowders in water solutions, without and with an addition of PVA, Part 1

Języki publikacji

Abstrakty

W artykule określono możliwości syntezy nanocząstek złota w roztworach wodnych oraz ich stabilności w czasie. Do syntezy zastosowano metodę redukcji. Prekursorem cząstek Au był kwas czterochlorozłotowy(III) (HAuCl4) a reduktorem borowodorek sodu (NaBH4). W części 1 artykułu, przedstawiono wyniki badań wpływu takich czynników, jak stężenie początkowe prekursora i reduktora na zmiany w rozmiarach otrzymywanych cząstek oraz na ich stabilność w czasie. Do analizy jakościowej obecności cząstek w układzie oraz ich stabilności stosowano metodę spektrofotometrii UV-Vis. Wykazano, że istnieje możliwość otrzymania takich nanocząstek w badanym układzie, jednakże otrzymany produkt nie jest trwały i wymaga dodatkowej stabilizacji.

The aim of this work is Au nanoparticles synthesis in aqueous solution as well as determination of their stability in time. For the synthesis, the reduction method was applied. As a precursor of Au particles and a reductant of Au(III) ions, tetrachloroaurate(III) acid (HAuCl4) and sodium borohydride (NaBH4), were used, respectively. In the first part of this study, the influence of different factors, namely precursor and reductant initial concentrations on the size and the stability of nanoparticles in time were determined. For detection of Au particles in the system as well as their UV-Vis stability, spectrophotometry was applied. It was found, that it is possible to obtain such particles, but reaction product is not stable and must be stabilized by other means.

Słowa kluczowe

nanocząstki metoda redukcji złoto

nanoparticles reduction method gold

Wydawca

Wydawnictwo SIGMA-NOT

Czasopismo

Rudy i Metale Nieżelazne

Rocznik

2009

Tom

R. 54, nr 4

Strony

200--207

Opis fizyczny

Bibliogr. 50 poz., tab., wykr.

Twórcy

autor

Pacławski K.

autor

Antos P.

autor

Fitzner K.

Akademia Górniczo-Hutnicza, Wydział Metali Nieżelaznych, Kraków

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Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-article-AGHM-0007-0039