UV-assisted water splitting of stable Cl-doped ZnO nanorod photoanodes grown via facile sol-gel hydrothermal technique for enhanced solar energy harvesting applications

• Published in: Solar energy Vol. 193; pp. 148 - 163
• Main Authors: Sahoo, Pooja, Sharma, Akash, Padhan, Subash, Udayabhanu, G., Thangavel, R.
• Format: Journal Article
• Language: English
• Published: New York Elsevier Ltd 15.11.2019; Pergamon Press Inc
• Subjects: Absorption spectroscopy; Arrays; Density; Energy harvesting; Flat band potential; Illumination; Light harvesting efficiency; Nanorods; Photoanodes; Photoelectric effect; Photoelectric emission; Photostability; Photovoltaic cells; Silver chloride; Sol-gel processes; Solar energy; Solar hydrogen generation; Splitting; Water splitting; Zinc oxide; ZnO nanorods; ZnO nanorods; Flat band potential; Light harvesting efficiency; Photostability; Solar hydrogen generation

[Display omitted] •A photocurrent density of 2.16 mA cm−2 was observed for Cl-ZnO NRs.•LHE of ~97% has been achieved for the doped samples.•Low recombination rate and better electron-hole separation were observed.•Cl-ZnO NRs are envisioned to provide valuable platform for solar water splitting appli...