Construction of highly efficient Z-scheme ZnxCd1-xS/Au@g-C3N4 ternary heterojunction composite for visible-light-driven photocatalytic reduction of CO2 to solar fuel

An unprecedented polyoxometalate-encapsulated organo–metallophosphate framework as a highly efficient cocatalyst for CO2 photoreduction

“…2 Among various techniques for CO 2 utilization, sunlight-driven CO 2 reduction to valuable hydrocarbon fuels has provided a promising strategy toward a carbon-neutral energy cycle because it can convert CO 2 into commodity chemicals and useful fuels via mimicking plant photosynthesis, which is conductive to alleviating the energy crisis and climate change. 3 Although semiconductor-based materials always represent the state-of-the-art with respect to photocatalysis, they are trapped by fast rates of electron–hole recombination, hindering the deep engineering of photocatalytic CO 2 reduction. 4…”

Au/g-C3N4 heterostructure sensitized by black phosphorus for full solar spectrum waste-to-hydrogen conversion

“…7b). The sunlight absorption range was extended to the visible light region after Au NPs deposited on the surface of CN, and a typical SPR absorption centered at around 540 nm was recognized [28][29][30][31]. The solar absorption intensity of BP/Au/CN is even stronger than that of the BP/CN sample.…”

“…A suitable electron transfer medium between BP and CN can be used to improve their charge transfer efficiency as well as photocatalytic activity. Among various materials, gold nanoparticles (Au NPs) with a unique surface plasma resonance (SPR) effect served as an electron transfer medium during photocatalysis [28][29][30][31]. Zhu et al [29] designed BP-sensitized Au/La 2 Ti 2 O 7 nanostructures, which presented excellent photocatalytic activities in the full solar region.…”

Recent Progress in Materials Exploration for Thermocatalytic, Photocatalytic, and Integrated Photothermocatalytic CO2‐to‐Fuel Conversion

“…Different from the direct Z‐scheme system, a third component such as noble metal or graphene oxide has been incorporated as an indispensable conductive intermediate to facilitate the charge transfer and separation of electron/hole pairs in an indirect Z‐scheme system. To this end, systems such as ZnO/Au/g‐C 3 N 4 , [ 174 ] ZnCdS/Au/g–C 3 N 4 , [ 175 ] SnS/Au/g‐C 3 N 4 , [ 176 ] ZnFe 2 O 4 /Ag/TiO 2 , [ 177 ] Cu 2 O/Ag/ZnO, [ 178 ] AgPO 4 /Ag/CeO 2 , [ 179 ] α‐Fe 2 O 3 /amine‐rGO/CsPbBr 3 , [ 180 ] ZnFe 2 O 4 /rGO/In 2 O 3 , and [ 181 ] Bi 2 WO 6 /rGO/g–C 3 N 4 [ 182 ] have been constructed and investigated in PCR, where photoexcited electrons transfer from semiconductor I to conductive intermediate and then to semiconductor II, resulting in enhanced charge separation and improved redox reactions. Recently, Li et al reported a Z‐scheme ZnO/Au/g‐C 3 N 4 film photocatalyst with an LSPR effect for CO 2 ‐to‐CO conversion under UV−vis light illumination.…”