Characterizing and understanding the photovoltage in n-Si/Au light-addressable electrochemical sensors

Armeen Hussain, Kayla Mancini, Yousef Khatib, Glen D. O'Neil

Research output: Contribution to journalArticlepeer-review

Abstract

Here, we characterize the photovoltage of n-Si/Au light-addressable electrodes (LAEs) over a range of solution potentials from ca. −1 to +1 V. We find that the n-Si/Au photoelectrodes show photovoltages consistent with a semiconductor/liquid junction in contrast to a buried junction, which opposes our previous understanding of how photovoltage originates in these sensors.

Original languageEnglish
JournalAnalyst
DOIs
StateAccepted/In press - 2024

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