Optical switching of y-hybride thin film electrodes : a remarkable electrochromic phenomenom

P.H.L. Notten, M. Kremers, R. Griessen

Research output: Contribution to journalArticleAcademicpeer-review

128 Citations (Scopus)
115 Downloads (Pure)

Abstract

The optical appearance of yttrium thin film electrodes can be electrochemically switched from mirrorlike to highly transparent by making use of the hydride-forming properties of Y. A strong alkaline solution is a suitable electrolytic environment for obtaining stable electrochromic electrodes. The presence of a thin Pd layer covering the Y electrode is essential in providing a sufficiently high electrocatalytic activity for the electrochemical charge-transfer reaction. Hydrogen is irreversibly bound in Y-dihydride and reversibly bound in Y-trihydride. The optical changes are reversible and are induced within a narrow hydrogen concentration range, making this typical electrode material interesting for application in a new type of electrochromic devices.
Original languageEnglish
Pages (from-to)3348-3353
Number of pages6
JournalJournal of the Electrochemical Society
Volume143
Issue number10
DOIs
Publication statusPublished - 1996

Fingerprint Dive into the research topics of 'Optical switching of y-hybride thin film electrodes : a remarkable electrochromic phenomenom'. Together they form a unique fingerprint.

Cite this