ternary composite
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2022 ◽  
Vol 176 ◽  
pp. 114365
Chunyan Su ◽  
Xiuyun Zhang ◽  
Xiangzhen Ge ◽  
Huishan Shen ◽  
Qian Zhang ◽  

NANO ◽  
2022 ◽  
Kaiyue Liang ◽  
Mingcai Yin ◽  
Yixian Li ◽  
Yaoting Fan ◽  
Zhongjun Li

CdS and MoS2 are both promising photocatalytic materials for hydrogen production and lots of MoS2/CdS composites have been investigated. However, most of the previous work focused on relatively stable hexagonal CdS; researches on cubic CdS are still rare mainly due to its unstability. Then in this paper, a ternary composite MoS2/CN/CdS composed of cubic CdS, MoS2 and graphitic carbon nitride (g-C3N4, abbreviated as CN) was prepared by simple in situ precipitation of cubic CdS on MoS2/CN at room temperature. Based on a series of characterizations, the photocatalytic hydrogen production performance of MoS2/CN/CdS was studied. The results showed that when the amount of MoS2/CN was 10 wt.%, the activity reached 1253.2 [Formula: see text]mol h[Formula: see text], about 110 times that of pure CdS. Especially, its stability was investigated in detail by cyclic hydrogen production tests, which indicated that although the activity decreased after the first cycle, it was stable in the following three cycles mainly due to the existence of CN. Namely, a relatively stable and high performance cubic CdS-based ternary composite was achieved. This research can provide some new insights into the design of cubic CdS-based photocatalysts.

2022 ◽  
Caiting Feng ◽  
Panfeng Wu ◽  
Qinlong Li ◽  
Jiquan Liu ◽  
Danjun Wang ◽  

Photo-driven nitrogen fixation involves the activation and hydrogenation processes of molecular nitrogen at the surface of photocatalyst in producing ammonia. Herein, significantly enhancement of catalytic efficiency is achieved via constructing...

2022 ◽  
pp. 106396
Jenny Hui Foong Chau ◽  
Chin Wei Lai ◽  
Bey Fen Leo ◽  
Joon Ching Juan ◽  
Mohd Rafie Johan

YMER Digital ◽  
2021 ◽  
Vol 20 (12) ◽  
pp. 426-438
S Sugashini ◽  
T Gomathi ◽  
P.N Sudha ◽  

The present study aimed to prepare binary and ternary composites of nanochitosan (NCS), carboxymethyl cellulose (CMC) and graphene oxide (GO) for the biological and biomedical application. The prepared NCS/CMC, CMC/GO and NCS/CMC/GO composites were characterized using FTIR, XRD and SEM studies. The results revealed the suitability of the material for biological application with increased amorphous nature for cell adhesion. Antimicrobial studies were carried out against selected bacterial and fungal species. DPPH scavenging activity was done for the prepared biocomposites. NCS/CMC/GO ternary composite have the highest action against Bacillus sp (21 mm) followed by Klebsilla sp. (19 mm) and Proteus sp. (16 mm). For selected fungal species of Candida, Rhizopus and Aspergillus niger the ternary composites shows 28 mm, 26 mm and 24 mm inhibitory zone. The overall results exhibit the potential antioxidant and antimicrobial activity of the prepared composites.

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