“…To overcome the g-C 3 N 4 absorption edge of a band gap of 2.7 eV, organic dyes were employed as a driver to improve the visible-light photoactivity ( Bard and Fax., 1995 ; Kudo and Miseki., 2009 ; Kim et al, 2015 ), which were considered to dramatically extend the visible-light region of the band-gap of semiconductor ( Zhuang et al, 2019 ). However, the researches about H 2 production based on dye-sensitized carbon nitride were still insufficient, only few organic dyes such as metal-porphyrins ( Yu et al, 2014 ; Chen et al, 2015 ; Zhang et al, 2015 ; Zhuang et al, 2019 ; Liu et al, 2020 ), poly (3-hexylthiophene) ( Zhang et al, 2015 ), eosin Y (EY) ( Min and Liu., 2012 ; Wang et al, 2018 ; Qi et al, 2019 ; Xu et al, 2019 ; Nagaraja et al, 2020 ; Zhao et al, 2021 ) and erythrosin B (ErB) ( Wang et al, 2013 ; Zhang et al, 2017 ; Zhang et al, 2017 ) have been successfully applied to enhance the photocatalytic activity with improvement of the utilization efficiency of visible-light. In the process of H 2 generation, the organic dyes were damaged in oxidation reactions, and its stabilization could be realized with a porous support, which accelerates the transfer of electrons from the excited dye molecule to the active site in definition of a cocatalyst, in general use of noble metals (especially Pt).…”