Photoelectrochemical photocurrent switching effect on a pristine anodized Ti/TiO₂ system as a platform for chemical logic devices

Abstract

We report here the effect of the photoelectrochemical photocurrent switching (PEPS) observed on highly-ordered pristine anodized Ti/TiO2 for the first time.

Construction of unique heterojunction photoanodes through in situ quasi-epitaxial growth of FeVO4 on Fe2O3 nanorod arrays for enhanced photoelectrochemical performance

“…Furthermore, to quantify the photoelectrochemical water oxidation performance of the photoanodes, the maximal applied bias photon-to-current efficiency (ABPE) and the maximal incident photon-to-current efficiency (IPCE) results are detected at 1.23 V vs. RHE. The following formula is used for the calculation of ABPE: 3 where V bias is the bias applied between the working and the counter electrodes and P light is the power density of monochromatic light obtained at a specific wavelength (mW cm −2 ). As shown in Fig.…”

“…Photoelectrochemical (PEC) water splitting can convert water into chemical fuels through solar energy. [1][2][3][4] Due to its ecofriendly and forward-looking features, PEC water splitting has been considered one of the most promising ways to address the overwhelming energy crisis in the 21st century. [5][6][7][8] The PEC water splitting reaction involves two processes: the oxygen evolution reaction (OER) and the hydrogen evolution reaction (HER).…”

Size-Independent Reconfigurable Logic Gate with Bismuth Oxide Based Photoelectrochemical Device

“…Furthermore, true XOR gates that can judge the identity of multi-input signals were successfully constructed, as shown in Figures S10 and S11 (3-input) and Figure S12 (4-input and 5-input). Such multi-input XOR function could not be achieved by the traditional PEC XOR gates based on the inversion of photocurrent polarity. − Moreover, AND, OR, NOT, NAND, NOR, and INH can be readily achieved on the Bi 2 O 3 logic gate by simply adjusting the light intensity (Figure S13). We note that the presence of the liquid phase should be considered as a limitation for the current work and further research on all-solid-state Bi 2 O 3 logic gates is ongoing in our group.…”

Nanoparticles in Polyelectrolyte Multilayer Layer-by-Layer (LbL) Films and Capsules—Key Enabling Components of Hybrid Coatings

“…Photocatalytic reduction [107] of noble metal particles on titania core [95] leads to dual-wavelength responsiveness: in the UV to near-IR regions of electromagnetic spectrum. It is possible to regulate photocatalytically (auto-catalytic) waves of enzymatic reactions [108], switch biofilm fluorescence [109], build a platform for a chemical logic device [110], and perform sustainable diagnostics [111][112][113]. The trend in the field of encapsulated systems is to combine different functions in one capsule matrix.…”