Study on the Synthesis of NaInS<sub>2</sub> Photocatalysts and Their Photocatalytic Activity for Hydrogen Evolution

陈震宇; 郭烈锦

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Study on the Synthesis of NaInS₂ Photocatalysts and Their Photocatalytic Activity for Hydrogen Evolution

更新时间：2025-12-08

- Study on the Synthesis of NaInS₂ Photocatalysts and Their Photocatalytic Activity for Hydrogen Evolution
- Vol. 42, Issue 6, Pages: 784-787(2008)
- 作者机构：
  
  西安交通大学动力工程多相流国家重点实验室,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TQ426.62
- Online First：09 June 2008，
  
  Published：2008
- 稿件说明：
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陈震宇, 郭烈锦. Study on the Synthesis of NaInS₂ Photocatalysts and Their Photocatalytic Activity for Hydrogen Evolution[J]. 2008, 42(6): 784-787.
DOI：

陈震宇, 郭烈锦. Study on the Synthesis of NaInS₂ Photocatalysts and Their Photocatalytic Activity for Hydrogen Evolution[J]. 2008, 42(6): 784-787. DOI：

摘要

针对NaInS

与NaInO

在化学性能上的共价性

采用前驱体固相硫化法合成NaInS

光催化剂

利用X射线衍射图谱、紫外-可见漫反射光谱、扫描电镜等技术对催化剂进行表征.通过考察硫化温度、硫化时间、载铂量对光催化剂产氢性能的影响发现

NaInS

光催化剂在可见光范围内具有产氢活性

硫化温度为350 ℃、硫化时间为1 h、载铂的质量分数为0.5%的催化剂具有最好的产氢性能

产氢速率为107.6 μmol/(h·g)

在420 nm处的表观量子效率为 6.72%

在可见光区的能量转化效率为1.73%.

Abstract

Based on the fact that the nature of the chemical properties of NaInS

is more covalent than the one of NaInO

NaInS

catalysts are prepared by the method of thermal sulfidation of the precursor. The catalysts are characterized by X-ray diffraction patterns UV-Vis diffuse reflection spectrum and scanning electron microscopy techniques. The sulfidation temperature

the sulfidation time and the amount of Pt are taken into account as reaction conditions. The photocatalytic activity for H

evolution is observed under visible light irradiation. The highest activity of hydrogen evolution is achieved when the sulfidation temperature

the sulfidation time and the loading mass fraction of Pt are 350

℃

1 h and 0.5%

respectively

the hydrogen evolution rate is 107.6 μmol/(h·g)

the apparent quantum yield at 420 nm is 6.72% and the energy conversion efficiency in the visible light region is 1.73%.

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references

FUJISHIMA A, HONDA K. Electrochemical photolysis of water at a semiconductor electrode [J]. Nature, 1972, 238(5358):37-38.

KUDO A, NAGANE A, KATO H, et al. H2 evolution from aqueous potassium sulfite solutions under visible light irradiation over a novel sulfide photocatalyst NaInS2with a layered structure [J]. Chemistry Letters, 2002,31(9):882-883.

MATSUSHIMA S, KOHIKI S. Difference of electronic structures between NaInO2 and NaInS2 [J]. Chemistry Letters, 2000,29(1):8-9.

FUKUZAKI K, KOHIKI S, SHIMOOKA H, et al. Preparation and characterization of NaInO2 and NaInS2[J]. Journal of Mater Chem, 2000,10(3):779-782.

JING Dengwei, GUO Liejin. A novel method for the preparation of a highly stable and active CdS photocatalyst with a special surface nanostructure [J]. Journal of Phys Chem:B, 2006, 110(23):11139-11145.

KAWAKAMI S, MATSUSHIM S, SHISHIDO T, et al. Comparison of electronic structure of LiInO2with NaInO2 [J]. Journal of Alloys and Compounds, 2003, 359(1/2):278-280.

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Study on the Synthesis of NaInS2 Photocatalysts and Their Photocatalytic Activity for Hydrogen Evolution

DOI：

摘要

Abstract

关键词

Keywords

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Study on the Synthesis of NaInS₂ Photocatalysts and Their Photocatalytic Activity for Hydrogen Evolution