Advances in transition-metal (Ru, Co, Cu, and Fe) complex-based catalysts since 2000 are briefly summarized in terms of catalyst selection and application for photocatalytic H2 evolution.

Light-emitting electrochemical cell of bithiazole-based material was fabricated by solution processing rendered high external quantum efficiency over 12.8% and luminance of 1.8 104 cd m−2.

Correction for ‘Mini-review on an engineering approach towards the selection of transition metal complex-based catalysts for photocatalytic H2 production’ by Jingpei Huo et al., Catal. Sci. Technol., 2019, 9, 2716–2727.

Retraction of ‘Facile preparation of bithiazole-based material for inkjet printed light-emitting electrochemical cell’ by Jingpei Huo et al., RSC Adv., 2019, 9, 6163–6168.