Pyro-photocatalytic Coupled Effect in Ferroelectric Bi0.5Na0.5TiO3 Nanoparticles for Enhanced Dye Degradation

Xu, Suwen1,2,3,4; Zhu, Wenxuan4,5; Wu, Li4,5; Zhang, Xiaoming1,2,3; Li, Chuanbo1,2,3; Wang, Yuanhao6; Yang, Ya4,5,7

2022-12-01

10.1021/acsami.2c17710

ACS Applied Materials & Interfaces   影响因子和分区

1944-8244

1944-8252

Advanced oxidation processes (AOPs), achieved through the continuous attack of reactive oxygen species (ROS), are considered the most efficient way to mineralize organic pollutants. Among them, photocatalysis is the most environmentally friendly strategy for pollution mitigation but is hampered by low conversion efficiency. By exploiting the coupling effect without changing the properties of the semiconductor, the application of pyroelectric fields can significantly improve the catalytic performance. The degradation rate of rhodamine B by Bi0.5Na0.5TiO3 (BNT) nanoparticles under temperature fluctuations and visible light irradiation was up to 98%. The performance was enhanced by 216.54% and 31.48% compared to the pyroelectric catalysis and photocatalysis alone, respectively. The improved performance is due to the introduced pyroelectric potential with the imposition of temperature fluctuations, which can make the domains enhance the polarization of ferroelectrics, thus promoting the charge separation. This method can significantly advance the coupled pyro-photocatalytic reaction of ferroelectric semiconductors and also can enable the synergistic utilization of multiple energy sources such as solar and thermal which is a for environmental remediation.

Bi0 5Na0 5TiO3 coupled pyro-photoelectric catalysis pyroelectric catalysis photocatalysis charge separation

SCI

英语

通讯

[2021YFA1201604] ; [52072041] ; [JQ21007]

Science & Technology - Other Topics ; Materials Science

Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary

WOS:000906812500001

AMER CHEMICAL SOC

Web of Science

1.Minzu Univ China, Coll Life & Environm Sci, Beijing 100081, Peoples R China
2.Minzu Univ China, Sch Sci, Beijing 100081, Peoples R China
3.Minzu Univ China, Optoelect Res Ctr, Beijing 100081, Peoples R China
4.Chinese Acad Sci, Beijing Inst Nanoenergy & Nanosyst, CAS Ctr Excellence Nanosci, Beijing Key Lab Micronano Energy & Sensor, Beijing 101400, Peoples R China
5.Guangxi Univ, Ctr Nanoenergy Res, Sch Phys Sci & Technol, Nanning 530004, Peoples R China
6.Southern Univ Sci & Technol, SUSTech Engn Innovat Ctr, Sch Environm Sci & Engn, Shenzhen 518055, Guangdong, Peoples R China
7.Univ Chinese Acad Sci, Sch Nanosci & Technol, Beijing 100049, Peoples R China

Xu, Suwen,Zhu, Wenxuan,Wu, Li,et al. Pyro-photocatalytic Coupled Effect in Ferroelectric Bi0.5Na0.5TiO3 Nanoparticles for Enhanced Dye Degradation[J]. ACS Applied Materials & Interfaces,2022,15(1).

Xu, Suwen.,Zhu, Wenxuan.,Wu, Li.,Zhang, Xiaoming.,Li, Chuanbo.,...&Yang, Ya.(2022).Pyro-photocatalytic Coupled Effect in Ferroelectric Bi0.5Na0.5TiO3 Nanoparticles for Enhanced Dye Degradation.ACS Applied Materials & Interfaces,15(1).

Xu, Suwen,et al."Pyro-photocatalytic Coupled Effect in Ferroelectric Bi0.5Na0.5TiO3 Nanoparticles for Enhanced Dye Degradation".ACS Applied Materials & Interfaces 15.1(2022).