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Home / Journal of Nanoscience and Nanotechnology, Volume 21, Number 10

Performance Enhancement of Actual Wastewater Treatment and Electricity Generation Through Surface Modified TiO2 Nanotube Arrays Based Photoanode Photocatalytic Fuel Cell

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Herein, we report a surface modified TiO2 nanowire arrays (NAs) photoanode based photocatalytic fuel cell (PFC) towards simultaneous enhancement of actual wastewater treatment and electricity generation under visible light irradiation. TiO2 NAs were facile fabricated via two-step anodization process in ethylene glycol and glycerin solution, respectively. Actual wastewater samples were directly applied to evaluate the PFC performance in terms of wastewater degradation and electricity generation through the as-prepared TiO2 NAs photoanode without loading noble-metals or semiconductors. TiO2 NAs photoanode prepared from ethylene glycol solution demonstrated a highly ordered surface network, exhibiting short-circuit current density and fill factor nearly 4.3 times and 1.4 times higher than pristine TiO2 NAs photoanode prepared according to previous reports. The experimental results revealed that the fabrication of TiO2 NAs by a facile surface modification in ethylene glycol solution can be considered a low-cost and scalable routine for enhancing performance of PFC photoanode towards efficient actual wastewater treatment and electricity generation.

Keywords: Actual Wastewater Treatment; PFC; Photoanode; Surface Modification; TiO2 Nanotube Arrays

Document Type: Research Article

Affiliations: 1: Beijing Key Laboratory of Functional Materials for Building Structure and Environment Remediation, Beijing University of Civil Engineering and Architecture, Beijing, 100044, China 2: Beijing Construction Engineering Quality First Testing Institute Co., Ltd., Beijing, 100039, China 3: Beijing Origin Water Technology Co., Ltd., Beijing, 102206, China 4: College of Chemistry, Beijing Normal University, 100875, Beijing, China 5: Laboratory for Micro-Sized Functional Materials & College of Elementary Education, Capital Normal University, Beijing, 100048, China

Publication date: 01 October 2021

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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