Characteristics of output voltage and current of integrated nanogenerators

Rusen Yang, Yong Qin, Cheng Li, Liming Dai, Zhong Lin Wang

Research output: Contribution to journalArticlepeer-review

136 Scopus citations

Abstract

Owing to the anisotropic property and small output signals of the piezoelectric nanogenerators (NGs) and the influence of the measurement system and environment, identification of the true signal generated by the NG is critical. We have developed three criteria: Schottky behavior test, switching-polarity tests, and linear superposition of current and voltage tests. The 11 tests can effectively rule out the system artifacts, whose sign does not change with the switching measurement polarity, and random signals, which might change signs but cannot consistently add up or cancel out under designed connection configurations. This study establishes the standards for designing and scale up of integrated nanogenerators. © 2009 American Institute of Physics.
Original languageEnglish (US)
Pages (from-to)022905
JournalApplied Physics Letters
Volume94
Issue number2
DOIs
StatePublished - Jan 15 2009
Externally publishedYes

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