Engineering inorganic interfaces using molecular nanolayers

G Ramanath, C Rowe, G Sharma… - Applied Physics …, 2023 - pubs.aip.org
Advances in interface science over the last 20 years have demonstrated the use of
molecular nanolayers (MNLs) at inorganic interfaces to access emergent phenomena and …

Optical manipulation of work function contrasts on metal thin films

SK Ravi, W Sun, DK Nandakumar, Y Zhang… - Science advances, 2018 - science.org
Work function is a crucial metric in every optoelectronic device to ensure a specific charge
transport scheme. However, the number of stable conductive materials available in a given …

Nanomolecularly-induced Effects at Titania/Organo-Diphosphonate Interfaces for Stable Hybrid Multilayers with Emergent Properties

C Rowe, A Kashyap, G Sharma, N Goyal… - ACS Applied Nano …, 2024 - ACS Publications
Nanoscale hybrid inorganic–organic multilayers are attractive for accessing emergent
phenomena and properties through superposition of nanomolecularly-induced interface …

Selective Pd recovery from acidic leachates by 3-mercaptopropylphosphonic acid grafted TiO 2: does surface coverage correlate to performance?

N Gys, B Pawlak, LL Lufungula, K Marcoen, K Wyns… - RSC …, 2022 - pubs.rsc.org
Modification of metal oxides with organophosphonic acids (PAs) provides the ability to
control and tailor the surface properties. The metal oxide phosphonic acid bond (M–O–P) is …

Tailoring electrical transport across metal–thermoelectric interfaces using a nanomolecular monolayer

T Cardinal, Devender, T Borca-Tasciuc… - … Applied Materials & …, 2016 - ACS Publications
We report a 13-fold increase in electrical contact conductivity Σ c upon introducing a 1, 8-
octanedithiol (ODT) monolayer at Cu–Bi2Te3 interfaces. In contrast introducing ODT at Ni …

Frequency-tunable toughening in a polymer-metal-ceramic stack using an interfacial molecular nanolayer

M Kwan, M Braccini, MW Lane, G Ramanath - Nature Communications, 2018 - nature.com
Interfacial toughening in composite materials is reasonably well understood for static
loading, but little is known for cyclic loading. Here, we demonstrate that introducing an …

Spray coating vs. immersion for self-assembly of gemini perfluorinated phosphonic acids on indium tin oxide

GAL Andreatta, N Blondiaux, J Gay, S Unterhofer… - Thin Solid Films, 2021 - Elsevier
Self-assembled monolayers (SAMs) are widely used to engineer the surface properties of
metals and metal oxide layers. This article reports the fabrication of gemini perfluorinated …

[HTML][HTML] Work function tuning at Au-HfO2 interfaces using organophosphonate monolayers

M Kwan, T Cardinal, PH Mutin, G Ramanath - Applied Physics Letters, 2016 - pubs.aip.org
We show that introducing organophosphonate nanomolecular monolayers (NMLs) at Au-
HfO 2 interfaces shift the effective work function by 0.2 eV≥ ΔΦ eff≥− 0.6 eV, due to NML …

[HTML][HTML] Tailoring Al-SiO2 interfacial work function using an organophosphonate nanolayer

M Kwan, R Winter, PH Mutin, M Eizenberg… - Applied Physics …, 2017 - pubs.aip.org
We show that introducing a mercaptan-terminated organophosphonate nanomolecular layer
(NML) at the Al-SiO 2 interface decreases the effective metal work function Φ eff by 0.67 eV …

[HTML][HTML] Molecular length effect on work function shifts at copper-organophosphonate-hafnia interfaces

M Kwan, T Cardinal, PH Mutin, G Ramanath - Applied Physics Letters, 2017 - pubs.aip.org
We demonstrate that inserting a mercaptan-terminated organophosphonic acid monolayer
at a Cu-HfO 2 interface can alter the metal work function by− 0.1 eV≤ ΔΦ≤− 0.4 eV. The …