Interfacial engineering of Cu–Fe<sub>2</sub>O<sub>3</sub> nanotube arrays with built-in electric field and oxygen vacancies for boosting the electrocatalytic reduction of nitrates
Yihong Gao, Kun Huang, Yan Chen, Shikuo Li, Hui Zhang, Longjiu Cheng, Fangzhi Huang
Abstract
A Cu–Fe 2 O 3 nanotube array with built-in electric field and OVs provided two grips for the enrichment and anchoring of NO 3 − near the electrocatalytic electrodes. The NO 3 − enhancement effect and OV-engineered heterogeneous interface on NO 3 − electroreduction were verified.
Topics & Concepts
Materials scienceElectric fieldNanotubeElectrodeOxygen reductionOxygenNanotechnologyChemical engineeringCarbon nanotubeElectrochemistryChemistryPhysical chemistryEngineeringQuantum mechanicsOrganic chemistryPhysicsAmmonia Synthesis and Nitrogen ReductionCaching and Content DeliveryNanomaterials for catalytic reactions