A new phosphidation route for the synthesis of NiP and their cocatalytic performances for photocatalytic hydrogen evolution over g-C3N4

Construction of NiPx/MoS2/NiS/CdS composite to promote photocatalytic H2 production from glucose solution

“…NiP x was prepared with raw materials Ni(NO 3 ) 2 ·6H 2 O (1 mmol) and NaH 2 PO 2 ·H 2 O (8 mmol) into 50 ml EDA, with the molar ratio of 1:8. A certain amount of NaBH 4 was then added in the stirring process, and the reaction was carried out at 180℃ for 12 h, and the precipitate remaining in the reaction was washed and dried to obtain NiP x 26 . In the same way, the raw materials for synthesizing NiP x with different mass were dispersed into 50 ml of EDA, with respectively stirring and sonicating for 30 min.…”

“…As a promising heterostructure, NiS/CdS composite has received much attention, and performs relatively high activity in photocatalytic H 2 evolution 23,24 . Additionally, cocatalyst deposition is another common strategy to facilitate the transfer of charge carriers, such as MoS 2 and NiP x , which are widely used to boost the photocatalytic H 2 production 25,26 . The synergistic effects of heterostructure and multiple cocatalysts may effectively suppress the recombination of charge carriers and achieve high photocatalytic activity 27 …”

“…23,24 Additionally, cocatalyst deposition is another common strategy to facilitate the transfer of charge carriers, such as MoS 2 and NiP x , which are widely used to boost the photocatalytic H 2 production. 25,26 The synergistic effects of heterostructure and multiple cocatalysts may effectively suppress the recombination of charge carriers and achieve high photocatalytic activity. 27 Based on the above speculation, structure designing and composition modifying are skillfully combined to synthesize the multi-component photocatalyst ( O (8 mmol) into 50 ml EDA, with the molar ratio of 1:8.…”

“…A certain amount of NaBH 4 was then added in the stirring process, and the reaction was carried out at 180℃ for 12 h, and the precipitate remaining in the reaction was washed and dried to obtain NiP x . 26 In the same way, the raw materials for synthesizing NiP x with different mass were dispersed into 50 ml of EDA, with respectively stirring and sonicating for 30 min. A certain amount of MoS 2 /NiS/ CdS was then added, and reacted at 180℃ for 12 h. Finally, the precipitate obtained after the reaction was washed and dried to obtain NiP x /MoS 2 /NiS/CdS.…”

FeCo alloy@N-doped graphitized carbon as an efficient cocatalyst for enhanced photocatalytic H2 evolution by inducing accelerated charge transfer

“…With directly converting water and inexhaustible solar energy into clean hydrogen energy, photocatalytic water splitting technology has been regarded as one of the most promising strategies to solve energy problems in the future [1][2][3]. Since the 1970s, a wide variety of semiconductor materials, including metal oxides [4,5], sulfides [6,7], nitrides [8,9], phosphides [10,11] and their compounds [12], have been used as photocatalysts for H 2 evolution. Although H 2 is liberated from water successfully, the rapid recom-bination of photogenerated electron-hole pairs in semiconductor photocatalysts always results in unsatisfactorily photocatalytic activity, greatly restricting their practical application [13,14].…”