Issue 19, 2014

Self-powered ion detectors based on dye-sensitized photovoltaics

Abstract

Autonomous sensing of metal ion contamination in remote environments with high reproducibility and sensitivity could unlock many new applications, but involves trade-offs between compactness, sensitivity, and power provisioning. In prior demonstrations of semi-autonomous sensors, the power source (e.g. a solar cell) was an additional component. Here, we demonstrate a concept, wherein a dye-sensitized solar cell is used for both power generation and sensitive detection of ionic analytes, unlocking a new pathway for ultra-miniaturization and integration.

Graphical abstract: Self-powered ion detectors based on dye-sensitized photovoltaics

Supplementary files

Article information

Article type
Communication
Submitted
19 Jun 2014
Accepted
01 Aug 2014
First published
06 Aug 2014

Nanoscale, 2014,6, 11019-11023

Author version available

Self-powered ion detectors based on dye-sensitized photovoltaics

K. L. Agrawal and M. Shtein, Nanoscale, 2014, 6, 11019 DOI: 10.1039/C4NR03417A

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