Visible-light-responsive S-vacancy ZnIn<sub>2</sub>S<sub>4</sub>/N-doped TiO<sub>2</sub> nanoarray heterojunctions for high-performance photoelectrochemical water splitting
Zhiyong Bao, Yu Jiang, Zhihong Zhang, Jun Lv, Wangqiang Shen, Jiyan Dai, Jiaheng Wang, Jing Cai, Yucheng Wu
Abstract
S v -ZIS/N–TiO 2 nanoarrays produced a photocurrent density of 4.9 mA cm −2 at an external potential of 1.23 V vs. RHE, and achieved PEC H 2 evolution rate of 49.59 mmol g −1 h −1 . The IPCE of the photoanode device is ∼57.9% at 350 nm and ∼7.3% at 400 nm.
Topics & Concepts
Water splittingHeterojunctionDopingMaterials scienceVisible spectrumOptoelectronicsVacancy defectNanotechnologyPhotocatalysisChemistryCrystallographyCatalysisBiochemistryAdvanced Photocatalysis TechniquesQuantum Dots Synthesis And PropertiesElectrocatalysts for Energy Conversion