Hot electron electrochemistry at silver activated by femtosecond laser pulses

作     者：Oskar Armbruster Hannes Pöhl Wolfgang Kautek Oskar Armbruster;Hannes P?hl;Wolfgang Kautek

作者机构：University of Natural Resources and Life SciencesViennaDepartment of BionanosciencesMuthgasse 111190 ViennaAustria University of ViennaDepartment of Physical ChemistryWähringer Straße 421090 ViennaAustria 

出 版 物：《Opto-Electronic Advances》 (光电进展（英文）)

年 卷 期：2023年第6卷第6期

页      面：31-36页

核心收录：

学科分类：080901[工学-物理电子学] 0809[工学-电子科学与技术（可授工学、理学学位）] 08[工学] 080401[工学-精密仪器及机械] 0804[工学-仪器科学与技术] 0803[工学-光学工程] 

主　　题：hot electron emission femtosecond laser laser electrochemistry silver electrode 

摘      要：A silver microelectrode with a diameter of 30μm in an aqueous K_(2)SO_(4) electrolyte was irradiated with 55 fs and 213 fs laser *** caused the emission of electrons which transiently charged the electrochemical double *** two applied pulse durations were significantly shorter than the electron-phonon relaxation *** laser pulse durations had negligible impact on the emitted charge,which is incompatible with multiphoton *** the other hand,the ob-served dependence of emitted charge on laser fluence and electrode potential supports the thermionic emission mechanism.