publication . Article . 2017

Pyroelectrically Induced Pyro-Electro-Chemical Catalytic Activity of BaTiO3 Nanofibers under Room-Temperature Cold–Hot Cycle Excitations

Huilin You;
Open Access
  • Published: 01 Apr 2017 Journal: Metals, volume 7, page 122 (eissn: 2075-4701, Copyright policy)
  • Publisher: MDPI AG
Abstract
A pyro-electro-chemical catalytic dye decomposition using lead-free BaTiO3 nanofibers was realized under room-temperature cold–hot cycle excitation (30–47 °C) with a high Rhodamine B (RhB) decomposition efficiency ~99%, which should be ascribed to the product of pyro-electric effect and electrochemical redox reaction. Furthermore, the existence of intermediate product of hydroxyl radical in pyro-electro-chemical catalytic process was also observed. There is no significant decrease in pyro-electro-chemical catalysis activity after being recycled five times. The pyro-electrically induced pyro-electro-chemical catalysis provides a high-efficient, reusable and envir...
Subjects
free text keywords: pyroelectric effect, BaTiO3 nanofibers, pyro-electro-chemical catalysis, dye decomposition, Mining engineering. Metallurgy, TN1-997
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