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Vol.31 No.2

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  • Journal of the Microelectronics and Packaging Society
  • Volume 26(4); 2019
  • Article

Review

Journal of the Microelectronics and Packaging Society 2019;26(4):107-111. Published online: Mar, 23, 2020

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DOI : 10.6117/kmeps.2019.26.4.107

Carbon Nanotube Passivation layer for Increasing the Solar Water Splitting Performance of CdS/CuInGaSe Photocathode

  • Hyojung Bae1, Young-Hee Ko2, Jun-Beom Park3, Hang-Ju Ko3, Sang-Wan Ryu1, and Jun-Seok Ha1,†
    1Optoelectronics Convergence Research Center, Chonnam National University, 2Kumhotire R&D center, 3Korea Photonics Technology Institute
Corresponding author E-mail: jsha@jnu.ac.kr
Abstract

We report the fabrication of a CdS/CuInGaSe (CdS/CIGS) structure with carbon nanotubes and its application as a photocathode for photoelectrochemical water splitting. CIGS thin films were fabricated using co-evaporation by RF magnetron sputtering, while CdS was fabricated by chemical bath deposition. Spray coated multi-wall carbon nanotube (CNT) film on CdS/CIGS thin film was investigated as a photocathode. The CNT-coated CdS/CIGS showed superior photocurrent density and exhibited improved photostability.

Keywords CNT, CIGS, Photocathode, Hydrogen, Water splitting