Dependence of photocatalytic activity of ZnxCd1-xS quantum dot composition

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27360%2F15%3A86095260" target="_blank" >RIV/61989100:27360/15:86095260 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61989100:27710/15:86095260

Výsledek na webu

<a href="http://dx.doi.org/10.1016/S1872-2067(14)60269-2" target="_blank" >http://dx.doi.org/10.1016/S1872-2067(14)60269-2</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/S1872-2067(14)60269-2" target="_blank" >10.1016/S1872-2067(14)60269-2</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Dependence of photocatalytic activity of ZnxCd1-xS quantum dot composition

Popis výsledku v původním jazyce

Colloid aqueous dispersions containing ZnxCd1-xS quantum dots (QDs) of the different composition x were prepared by precipitation of zinc and cadmium acetates with sodium sulphide in the presence of cetyltrimethylammonium bromide (CTAB) used for stabilization. From UV-VIS spectra transition energies of the QDs were determined and used for calculation of their sizes which were found to depend on their composition: the QDs size decreased with increasing the Zn content. The photocatalytic activity of the ZnxCd1-xS QDs was studied using methylene blue (MB) decomposition under UV irradiation with the maximum intensity of 365 nm (3.4 eV). Three different regions with different photocatalytic activity depending on the Zn content were recognized. It was shownthat quantum levels of the QDs, which can be excited by the incident irradiation, have important influence on their photocatalytic activity. The maximal photocatalytic activity was achieved at x = 0.6 when the QDs transition energy was eq

Název v anglickém jazyce

Dependence of photocatalytic activity of ZnxCd1-xS quantum dot composition

Popis výsledku anglicky

Colloid aqueous dispersions containing ZnxCd1-xS quantum dots (QDs) of the different composition x were prepared by precipitation of zinc and cadmium acetates with sodium sulphide in the presence of cetyltrimethylammonium bromide (CTAB) used for stabilization. From UV-VIS spectra transition energies of the QDs were determined and used for calculation of their sizes which were found to depend on their composition: the QDs size decreased with increasing the Zn content. The photocatalytic activity of the ZnxCd1-xS QDs was studied using methylene blue (MB) decomposition under UV irradiation with the maximum intensity of 365 nm (3.4 eV). Three different regions with different photocatalytic activity depending on the Zn content were recognized. It was shownthat quantum levels of the QDs, which can be excited by the incident irradiation, have important influence on their photocatalytic activity. The maximal photocatalytic activity was achieved at x = 0.6 when the QDs transition energy was eq

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

JI - Kompositní materiály

OECD FORD obor

—

Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2015

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Chinese Journal of Catalysis

ISSN

1872-2067

e-ISSN

—

Svazek periodika

36

Číslo periodika v rámci svazku

3

Stát vydavatele periodika

NL - Nizozemsko

Počet stran výsledku

8

Strana od-do

328-335

Kód UT WoS článku

000351029200010

EID výsledku v databázi Scopus

2-s2.0-84925841093