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In order to further improve the photocatalytic performance of the semiconductor photocatalyst, a photocatalytic hydrogen production performance was measured using a bimetallic sulfide photocatalyst. On this basis, the hydrogen production performance of the bimetallic sulfide CuCoS (CCS-3) was compared with that of the single metal sulfides CuS and CoS. The results showed that the bimetallic sulfide CCS-3 significantly improved the photocatalytic hydrogen production performance. The unique structure of the bimetallic sulfide CCS-3 made the photocatalytic activity of H 2.47 times and 178.08 times higher than that of CuS and CoS, respectively. In addition, the hydrogen production activity in CCS-3 was also very stable after XRD comparison before and after the reaction. The results of UV-visible diffuse reflectance spectroscopy showed that the visible light response range was significantly expanded, and the forbidden band width was smaller than that of CuS and CoS. Photoluminescence spectroscopy results showed that CCS-3 had the best quenching effect because of its unique structure, which improved the separation efficiency and electron transfer efficiency of photogenerated electrons and holes. This article demonstrated new design strategies that would bring new insights into hydrogen evolution photocatalysts.
This article was published in the following journal.
Name: Journal of colloid and interface science
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The purpose of this study is to determine the synergistic effect and clinical benefits of vedolizumab and pentoxifylline in the management of patients with inflammatory bowel disease.
Guideline for determining when it is morally permissible to perform an action to pursue a good end with knowledge that the action will also bring about bad results. It generally states that, in cases where a contemplated action has such double effect, the action is permissible only if: it is not wrong in itself; the bad result is not intended; the good result is not a direct causal result of the bad result; and the good result is "proportionate to" the bad result. (from Solomon, "Double Effect," in Becker, The Encyclopedia of Ethics, 1992)
An effect usually, but not necessarily, beneficial that is attributable to an expectation that the regimen will have an effect, i.e., the effect is due to the power of suggestion.
A synthetic PGE2 analog that has an inhibitory effect on gastric acid secretion, a mucoprotective effect, and a postprandial lowering effect on gastrin. It has been shown to be efficient and safe in the treatment of gastroduodenal ulcers.
A potent inhibitor of ADENOSINE DEAMINASE. The drug induces APOPTOSIS of LYMPHOCYTES, and is used in the treatment of many lymphoproliferative malignancies, particularly HAIRY CELL LEUKEMIA. It is also synergistic with some other antineoplastic agents and has immunosuppressive activity.
Factors that modify the effect of the putative causal factor(s) under study.