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Articles by Ningwei Sun
Inside Front Cover: Enhancing Interfacial Charge Transport in Gold Nanoparticle@Polyaniline Hybrids via N -Heterocyclic Carbene Linkers
Sun, N., Zhang, H., Zhou, Z., Ho, P., Hermes, I., Gao, Y., Singh, S., Ryndyk, D.A., Guskova, O., Jia, Z., Chatterjee, T., Jimenez, A.E., Pagnan Furlan, K., Sebastian, M., Rossner, C., Link, S., Landes, C.F., Vaynzof, Y., Fery, A. and Lissel, F. (2026), Inside Front Cover: Enhancing Interfacial Charge Transport in Gold Nanoparticle@Polyaniline Hybrids via N-Heterocyclic Carbene Linkers. Angew. Chem. Int. Ed. e2026-m041500.
Enhancing Interfacial Charge Transport in Gold Nanoparticle@Polyaniline Hybrids via N -Heterocyclic Carbene Linkers
Ningwei Sun and Haoran Zhang contributed equally to this work. N.Sun, H.Zhang, and Z.Zhou et al., ““Enhancing Interfacial Charge Transport in Gold Nanoparticle@Polyaniline Hybrids via N-Heterocyclic Carbene Linkers,” Angewandte Chemie International Edition ((2026): e26136, https://doi.org/10.1002/anie.202526136 Conflicts of Interest The authors declare no conflicts of interest.
Research Portal of the TU Dresden
N-Heterocyclic carbenes (NHCs) have emerged as a unique class of ligands for gold nanoparticles (Au NPs), combining strong metal binding with intrinsic electronic conductivity. Yet over the past decade, studies on Au NP@NHC systems have primarily focused on their stability, while the conductivity of NHCs has remained largely unexplored due to synthesis challenges.
Efficient and reversible chirality induction between protein and achiral plasmonic assemblies
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Abstract Chiral molecules in nature usually show optical activity only in the deep ultraviolet, whereas artificial chiral plasmonic nanostructures can generate much stronger responses at visible and near-infrared wavelengths. An important challenge is whether the abundant biomolecular chirality in nature can be directly transferred to achiral plasmonic systems without elaborate three-dimensional nanofabrication.
By Ziwei Zhou, Ningwei Sun, Nina Tverdokhleb, Artur Movsesyan, Anja Maria Steiner, Patrick T. Probst, Vaibhav Gupta, Bo Yin, Nicolas Pazos-Perez, Ramón A. Álvarez-Puebla, Martin Muller, Martin U. Müller Verified, Holger Merlitz, Olga Guskova, Yaroslava G. Yingling, Tobias König, Zhiming Wang, Alexander Govorov, Nicholas A. Kotov, Andreas Fery, Mirjam Taube
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Nature
Verified
Research Portal of the TU Dresden
Chiral molecules in nature usually show optical activity only in the deep ultraviolet, whereas artificial chiral plasmonic nanostructures can generate much stronger responses at visible and near-infrared wavelengths. An important challenge is whether the abundant biomolecular chirality in nature can be directly transferred to achiral plasmonic systems without elaborate three-dimensional nanofabrication.
Highly efficient and reversible chirality transfer between protein and achiral plasmonic assemblies
Based on the assembly of Au@protein nanoparticles, we enhance and modulate plasmon-coupled circular dichroism (PCCD) by in-situ stretching of biomolecules between plasmonic nanoparticles, achieving a 1.18-degree circular dichroism and 0.2 dissymmetry factor. Unlike hotspot-based methods, our approach enables reversible PCCD switching over 100+ cycles with significant amplitude changes.
N‐Heterocyclic Carbene vs. Thiophene – Chiral Adsorption and Unidirectional Rotation on Au(111)
N-Heterocyclic carbenes (NHCs) have emerged as promising ligands for self-assembled monolayers (SAMs) on metal surfaces and nanoparticles.
Gold Nanoparticles with N‐Heterocyclic Carbene/Triphenylamine Surface Ligands: Stable and Electrochromically Active Hybrid Materials for Optoelectronics
1 Introduction Coupled inorganic–organic nanostructures offer breakthroughs for a range of applications ranging from fields as diverse as photovoltaics, spin memories, or optical upconverters to sensing or catalytic applications.[1] Nanoparticles exhibit unique properties that are not accessible at the macroscale, such as the quantum size effect for semiconducting particles and localized surface plasmon resonance in the case of noble metal nanoparticles.
“Colorless-to-Black” Electrochromic and AIE-Active Polyamides: An Effective Strategy for the Highest-Contrast Electrofluorochromism
Electrofluorochromic (EFC) materials have gained extensive attention owing to their interesting modulations of fluorescence by an electric stimulus. However, the limited performances, especially the low fluorescence on/off contrast, significantly hampered their further applications. Herein, we design a new strategy to achieve high-contrast electrofluorochromism by combinations of “colorless-to-black” electrochromism and highly fluorescent AIE activity.
Poly(3‐hexylthiophene)s Functionalized with N‐Heterocyclic Carbenes as Robust and Conductive Ligands for the Stabilization of Gold Nanoparticles
Abstract Recently, N‐heterocyclic carbenes (NHCs) are explored as anchor groups to bind organic ligands to colloidal gold (i.e. gold nanoparticles, Au NPs), yet these efforts are confined to non‐conjugated ligands so far—that is, focused solely on exploiting the stability aspect. Using NHCs to link Au NPs and electronically active organic components, for example, conjugated polymers (CPs), will allow capitalizing on both the stability as well as the inherent conductivity of the NHC anchors.
Synergistic effect between electroactive tetraphenyl-p-phenylenediamine and AIE-active tetraphenylethylene for highly integrated electrochromic/electrofluorochromic performances
Synergistic effect between electroactive tetraphenyl-p-phenylenediamine and AIE-active tetraphenylethylene for highly integrated electrochromic/electrofluorochromic performances Switchable fluorescent materials have gained great attention due to their promising applications in sensors, memory devices and displays. However, further progress is hindered by the low fluorescence contrast, modest response speed and inferior long-term cycling stability.
High-Performance Emission/Color Dual-Switchable Polymer-Bearing Pendant Tetraphenylethylene (TPE) and Triphenylamine (TPA) Moieties
Electrofluorochromic (EFC) materials have aroused great interest owing to their interesting ability of tuning fluorescence in response to the applied potential. However, some crucial characteristics, such as response speed, fluorescence contrast, and switching stability, are still not well realized to meet the requirements of practical applications.
High-performance blue fluorescent/electroactive polyamide bearing p-phenylenediamine and asymmetrical SBF/TPA-based units for electrochromic and electrofluorochromic multifunctional applications
High-performance blue fluorescent/electroactive polyamide bearing p-phenylenediamine and asymmetrical SBF/TPA-based units for electrochromic and electrofluorochromic multifunctional applications Kaixin Su,a Ningwei Sun,a Xuzhou Tian,a Shuang Guo,b Zhihua Yan,a Daming Wang,a Hongwei Zhou,a Xiaogang Zhao*a and Chunhai Chena Author affiliations * Corresponding authors a Key Laboratory of High Performance Plastics (Jilin University), Ministry of Education, National & Local Joint Engineering...
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