Premium
Catalytic Investigation of Ag Nanostructures Loaded on Porous Hematite Cubes: Infiltrated versus Exteriors
Author(s) -
Manivannan Shanmugam,
Kim MunSeok,
Yim Taeeun,
Kim Kyuwon
Publication year - 2019
Publication title -
chemistryselect
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 34
ISSN - 2365-6549
DOI - 10.1002/slct.201900326
Subject(s) - hematite , catalysis , chemical engineering , porosity , precious metal , materials science , nanostructure , scanning electron microscope , metal , nanotechnology , nuclear chemistry , chemistry , metallurgy , composite material , organic chemistry , engineering
Ag Nanostructures (NSs) were successfully infiltrated on porous Hematite (α‐Fe 2 O 3 ) Cubes and exteriorly deposited on Prussian blue (PB) Cubes to derive two different types (Infiltrated–Ag and Exterior/Ag) of metal loaded semiconductor composites. In the Infiltrated–Ag, Ag NSs were infiltrated through the pores of Hematite Cubes whereas; it was exteriorly deposited with Exterior/Ag catalyst. Both infiltrated and exteriorly deposited Ag NSs were carefully characterized by morphological and physiological characterization tools and the prepared catalysts were applied toward reduction reaction of p‐nitrophenol (PNP) in the presence of NaBH 4 by UV‐vis spectroscopy. It was found that “Infiltrated–Ag” exhibited bi‐functional properties with specific surface area and high catalytic activity toward PNP reduction. Such catalytic activity of the “Infiltrated–Ag” might be attributed to the electron enriched Hematite/Ag interface and its efficient contribution to the electron transfer between Hematite/Ag and PNP.