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首页> 外文期刊>Catalysis science & technology >980 nm NIR light driven overall water splitting over a combined CdS-RGO-NaYF4-Yb3+/Er3+ photocatalyst
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980 nm NIR light driven overall water splitting over a combined CdS-RGO-NaYF4-Yb3+/Er3+ photocatalyst

机译：980海里近红外光谱光推动整体水分裂在结合CdS-RGO-NaYF4-Yb3 + / Er3 +光催化剂

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摘要

Infrared light (NIR) accounts for more than 50% of the energy donated by the Sun to the Earth, but most of this type of energy is not utilized in photocatalytic reactions. The up-conversion of infrared light into visible light is a probable strategy to utilize NIR in solar energy storage and conversion into hydrogen. Herein, a cooperative photocatalyst consisting of RGO, CdS and an up-conversion component (NaYF4-Yb3+/Er3+) has been identified as an excellent photocatalyst for overall water splitting to hydrogen. By uniting an up-conversion component with a visible light catalyst, a cooperative catalyst has been developed and 980 nm NIR driven water splitting has been achieved. RGO and CN were selected, and their water splitting performances based on their incorporation into combined catalysts were compared. The results indicated that only RGO had a significant promotion effect on photocatalytic water splitting activity due to its good conductivity on its huge net-like 2D structure. A highest hydrogen evolution rate of 4.54 mu mol g(-1) h(-1) was achieved.
机译：红外线(NIR)占50%以上的能量由太阳到地球的捐赠的,但是大多数这种类型的能源不利用光催化反应。红外光转化为可见光是可能的利用近红外光谱在太阳能存储策略和转换成氢气。合作组成的光催化剂RGO, cd和上变频组件(NaYF4-Yb3 + / Er3 +)已经被确认为一种优良的光催化剂整体水分解氢。可见团结上变频组件光催化剂,一直合作的催化剂光解水制氢研究开发和980 nm NIR驱动已经实现了。基于他们的水分离性能纳入合并后的催化剂比较。一个重要的促销影响光催化由于其良好的水分裂活动电导率在其巨大呈网状的二维结构。氢进化率最高为4.54μ摩尔g (1) h(1)。

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