7 Dokumente gefunden

Interfacial Co‐Operativity Enables Ultrafast Charge Transfer Within the Co‐Fe Prussian Blue Analogue|Zno Heterostructure

Abstract Heterostructures of Cobalt‐Iron (Co‐Fe) Prussian blue analogues (PBA) and inorganic semiconductors are attractive materials for photocatalytic and photoelectrochemical water oxidation. Their efficiency is rooted in the charge transfer (CT) at the PBA|semiconductor interface. The interfacial…
Weinheim: Wiley-VCH, 2025-09-22

Cyanide Linkage Isomerization Induced by Cobalt Oxidation‐State Changes at a Co−Fe Prussian‐Blue Analogue/ZnO Interface

Understanding the interfacial composition in heterostructures is crucial for tailoring heterogenous electrochemical and photoelectrochemical processes. This work aims to elucidate the structure of a series of Co−Fe Prussian blue analogue modified ZnO (PBA/ZnO) electrodes with interface‐sensitive vibrational…
Weinheim: Wiley-VCH, 2024-10-16

Probing the Interfacial Molecular Structure of a Co‐Prussian Blue In Situ

Abstract Molecular‐level insight into the interfacial composition of electrodes at the solid‐electrolyte and the solid‐electrode interface is essential to understanding the charge transfer processes, which are vital for electrochemical (EC) and photoelectrochemical (PEC) applications. However, spectroscopic…
Weinheim: Wiley-VCH, 2024-04-29

Charge Transfer Dynamics in Organic–Inorganic Hybrid Heterostructures—Insights by Vibrational‐Sum Frequency Generation Spectroscopy

Organic‐inorganic heterostructures play a pivotal role in modern electronic and optoelectronic applications including photodetectors and field effect transistors, as well as in solar energy conversion such as photoelectrodes of dye‐sensitized solar cells, photoelectrochemical cells, and in organic photovoltaics.…
Weinheim: Wiley, 2024-04-24

Interfacial engineering of functionalized metal oxides : a spectroscopic approach

This thesis demonstrates that fabrication conditions can be effectively employed to modulate interfacial electronic interactions in heterostructures comprising redox-active complexes and inorganic semiconductors, as exemplified by the PBA|ZnO system. A pivotal finding is the realization of cooperative…

Studying Molecular Rearrangement of P1 Dye at a Passivating Alumina Surface Using Vibrational Sum‐Frequency Generation Spectroscopy:…

Abstract The effect of roughness and thickness of alumina layers, mimicking the passivation layer commonly used in dye‐sensitized photoelectrodes, on the molecular adsorption of P1 dye, 4‐(bi(4‐(2,2‐dicyano‐vinyl)‐thiophene‐2‐yl]‐phenyl]‐aminobenzoic acid) has been studied using surface‐sensitive vibrational…
Weinheim: Wiley, 2023-09-15

A Happy Get‐Together – Probing Electrochemical Interfaces by Non‐Linear Vibrational Spectroscopy

Electrochemical interfaces are key structures in energy storage and catalysis. Hence, a molecular understanding of the active sites at these interfaces, their solvation, the structure of adsorbates, and the formation of solid‐electrolyte interfaces are crucial for an in‐depth mechanistic understanding…
Weinheim: Wiley-VCH, 2022-10-06