Cover Feature: Size‐Selective Photoelectrochemical Reactions in Microporous Environments: Clark Probe Investigation of Pt@g‐C<sub>3</sub>N<sub>4</sub> Embedded into Intrinsically Microporous Polymer (PIM‐1) (ChemElectroChem 18/2021)

The surface of indium tin oxide (ITO) was modified with bolaamphiphilic (BA) materials to tune the energy-level alignment of electrodes in optoelectronic devices (OEDs). Tuning the energy-level alignment of the electrode is crucial for enhancing OED efficiency by improving carrier injection. Although the dielectric properties of organic solvents influence the formation of BA self-assembled monolayers (SAMs), our study found that the intermolecular forces of the dissolved BA materials and the solution medium are more important for the formation of a well-ordered film on the electrode. Our results also showed efficient tunneling phenomenon between the electrode and the hole transport layer (HTL) using BA material. The holes were transported to the tunnel junctions where the Fermi energy was sufficiently close to the HOMO band of the BA. Therefore, the tunnel barrier height of the ITO/HTL of the OED was reduced, and favorable conditions for hole injection was created, resulting in a 2-3 times increase in luminance and current density. It is believed that the larger area of interface contact between electrode/BA/HTL and the formation of wellordered BA layers are responsible for the improved performance of the BA-modified electrode surface and OED.

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Formation of Single‐Chain Anionic Bolaamphiphiles on Indium Tin Oxide Surfaces through Self‐Assembly To Improve Optoelectronic Device Performance

Batdelger

Lee

Park

2023

ChemElectroChem

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Cover Feature: Size‐Selective Photoelectrochemical Reactions in Microporous Environments: Clark Probe Investigation of Pt@g‐C₃N₄ Embedded into Intrinsically Microporous Polymer (PIM‐1) (ChemElectroChem 18/2021)

Cited by 1 publication

References 40 publications

Formation of Single‐Chain Anionic Bolaamphiphiles on Indium Tin Oxide Surfaces through Self‐Assembly To Improve Optoelectronic Device Performance

Formation of Single‐Chain Anionic Bolaamphiphiles on Indium Tin Oxide Surfaces through Self‐Assembly To Improve Optoelectronic Device Performance

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Cover Feature: Size‐Selective Photoelectrochemical Reactions in Microporous Environments: Clark Probe Investigation of Pt@g‐C3N4 Embedded into Intrinsically Microporous Polymer (PIM‐1) (ChemElectroChem 18/2021)

Cited by 1 publication

References 40 publications

Formation of Single‐Chain Anionic Bolaamphiphiles on Indium Tin Oxide Surfaces through Self‐Assembly To Improve Optoelectronic Device Performance

Formation of Single‐Chain Anionic Bolaamphiphiles on Indium Tin Oxide Surfaces through Self‐Assembly To Improve Optoelectronic Device Performance

Contact Info

Product

Resources

About

Cover Feature: Size‐Selective Photoelectrochemical Reactions in Microporous Environments: Clark Probe Investigation of Pt@g‐C₃N₄ Embedded into Intrinsically Microporous Polymer (PIM‐1) (ChemElectroChem 18/2021)