Ion Specificity on Electric Energy Generated by Flowing Water Droplets

Junwoo Park, Suhwan Song, Chae Ho Shin, Young Jun Yang, Stefan A.L. Weber, Eunji Sim, Youn Sang Kim

Research output: Contribution to journalArticlepeer-review

49 Citations (Scopus)


The development of energy-conversion devices using water movement has actively progressed. Ionovoltaic devices, which are driven by ion dynamics, show ion specificity by which different ions with identical charges show different output performance. However, the ion specificity remains poorly understood because the influence of the ion species on generated electric signals is not elucidated. The ion specificity in electric signals induced by flowing water droplet was investigated in terms of its relationship with the potential profile across the solid–liquid interface.

Original languageEnglish
Pages (from-to)2091-2095
Number of pages5
JournalAngewandte Chemie - International Edition
Issue number8
Publication statusPublished - 2018 Feb 19

Bibliographical note

Funding Information:
This research was supported by the Basic Science Research Program (2017R1A2B3005482, Y.S.K. and 2017R1A2B2003552, E.S.), and the Center for Advanced Soft Electronics of the Global Frontier Project (2013M3A6A5073177) of the National Research Foundation (NRF) of Korea funded by the Korean government.

Publisher Copyright:
© 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)


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