Research Article

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2018, 11(4): 2093–2103

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https://doi.org/10.1007/s12274-017-1827-5

Pd/Ag nanosheet as a plasmonic sensing platform for sensitive assessment of hydrogen evolution reaction in colloid solutions

Minmin Wang1,2, Ping Wang1, Jie Zhang1, Hui Hou1,2, Chuanping Li1,2, and Yongdong Jin1 (*)

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1 State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
2 University of Chinese Academy of Sciences, Beijing 100049, China

Keywords: plasmonic nanoparticles, hydrogen evolution reaction, sensing, colloid solution
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ABSTRACT A nanoplasmonic hydrogen-sensing system based on palladium/silver nanosheets (Pd/Ag NSs) was developed and used for sensitive assessment of the hydrogen evolution reaction (HER) in colloid solutions. As a model HER system, the semiconductor CdS/CdSe core/shell quantum dot (QD)-based hydrogen-producing colloidal system was used, and the HER performances of QDs with two different surface coatings were assessed in this study. In the sensing system, the photocatalytically generated hydrogen reacts with Pd/Ag NSs, resulting in a gradual red-shift of localized surface plasmon resonance, which to a certain degree is almost linearly proportional to the amount of hydrogen generated. Such a nanoplasmonic hydrogen sensing platform would be useful as an alternative for optical assessment and fast selection of a highly efficient and cost-effective solar hydrogen generation system for practical applications.
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Pd/Ag nanosheet as a plasmonic sensing platform for sensitive assessment of hydrogen evolution reaction in colloid solutions. Nano Res. 2018, 11(4): 2093–2103 https://doi.org/10.1007/s12274-017-1827-5

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