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Ring-in-a-Triangle Nanoframes: Integrating with Intra- and Interhotspots for Highly Amplified Near-Field Focusing.
Publication Type: Academic Journal
Source(s): Nano letters [Nano Lett] 2022 Feb 23; Vol. 22 (4), pp. 1734-1740. Date of Electronic Publication: 2022 Feb 09.
Abstract: The development of a stepwise synthetic strategy for Au ring-in-a-triangle nanoframes with a high degree of structural solidity is essential to the advancement of highly amplified near-field focusing. This strategy leads to the formation of an inscribe...
Overcoming Nanoscale Inhomogeneities in Thin-Film Perovskites via Exceptional Post-annealing Grain Growth for Enhanced Photodetection.
Publication Type: Academic Journal
Source(s): Nano letters [Nano Lett] 2022 Feb 09; Vol. 22 (3), pp. 979-988. Date of Electronic Publication: 2022 Jan 21.
Abstract: Antisolvent-assisted spin coating has been widely used for fabricating metal halide perovskite films with smooth and compact morphology. However, localized nanoscale inhomogeneities exist in these films owing to rapid crystallization, undermining their...
Organic-2D Material Heterostructures: A Promising Platform for Exciton Condensation and Multiplication.
Publication Type: Academic Journal
Source(s): Nano letters [Nano Lett] 2021 Oct 27; Vol. 21 (20), pp. 8888-8894. Date of Electronic Publication: 2021 Oct 18.
Abstract: We predict that high temperature Bose-Einstein condensation of charge transfer excitons can be achieved in organic-two-dimensional (2D) material heterostructures, at ∼50-100 K. Unlike 2D bilayers that can be angle-misaligned, organic-2D systems general...
Mapping Activity-Dependent Quasi-stationary States of Mitochondrial Membranes with Graphene-Induced Energy Transfer Imaging.
Publication Type: Academic Journal
Source(s): Nano letters [Nano Lett] 2021 Oct 13; Vol. 21 (19), pp. 8244-8249. Date of Electronic Publication: 2021 Sep 14.
Abstract: Graphene-induced energy transfer (GIET) was recently introduced for sub-nanometric axial localization of fluorescent molecules. GIET relies on near-field energy transfer from an optically excited fluorophore to a single sheet of graphene. Recently, we ...
Overlimiting Current in Nonuniform Arrays of Microchannels: Recirculating Flow and Anticrystallization.
Publication Type: Academic Journal
Source(s): Nano letters [Nano Lett] 2021 Jun 23; Vol. 21 (12), pp. 5438-5446. Date of Electronic Publication: 2021 Mar 30.
Abstract: Overlimiting current (OLC) through electrolytes interfaced with perm-selective membranes has been extensively researched for understanding fundamental nano-electrokinetics and developing efficient engineering applications. This work studies how a netwo...
Multimode Time-Resolved Superresolution Microscopy Revealing Chain Packing and Anisotropic Single Carrier Transport in Conjugated Polymer Nanowires.
Publication Type: Academic Journal
Source(s): Nano letters [Nano Lett] 2021 May 26; Vol. 21 (10), pp. 4255-4261. Date of Electronic Publication: 2021 Mar 18.
Abstract: Here, we developed a novel, multimode superresolution method to perform full-scale structural mapping and measure the energy landscape for single carrier transport along conjugated polymer nanowires. Through quenching of the local emission, the motion ...
Visualization of Thermal Transport within and between Carbon Nanotubes.
Publication Type: Academic Journal
Source(s): Nano letters [Nano Lett] 2021 Apr 14; Vol. 21 (7), pp. 3134-3138. Date of Electronic Publication: 2021 Mar 26.
Abstract: Despite the excellent thermal properties of individual carbon nanotubes (CNTs), the thermal characteristics of macroscopic CNT assemblies are poor. This is probably due to the presence of numerous nontrivial intertube boundaries. Currently, clarity on ...
Emergent Spin Dynamics Enabled by Lattice Interactions in a Bicomponent Artificial Spin Ice.
Publication Type: Academic Journal
Source(s): Nano letters [Nano Lett] 2021 Mar 10; Vol. 21 (5), pp. 1921-1927. Date of Electronic Publication: 2021 Feb 18.
Abstract: Artificial spin ice (ASI) networks are arrays of nanoscaled magnets that can serve both as models for frustration in atomic spin ice as well as for exploring new spin-wave-based strategies to transmit, process, and store information. Here, we exploit t...
Tunable Phases of Moiré Excitons in van der Waals Heterostructures.
Publication Type: Academic Journal
Source(s): Nano letters [Nano Lett] 2020 Dec 09; Vol. 20 (12), pp. 8534-8540. Date of Electronic Publication: 2020 Sep 30.
Abstract: Stacking monolayers of transition metal dichalcogenides into a heterostructure with a finite twist-angle gives rise to artificial moiré superlattices with a tunable periodicity. As a consequence, excitons experience a periodic potential, which can be e...
Full-Color-Tunable Nanophotonic Device Using Electrochromic Tungsten Trioxide Thin Film.
Publication Type: Academic Journal
Source(s): Nano letters [Nano Lett] 2020 Aug 12; Vol. 20 (8), pp. 6084-6090. Date of Electronic Publication: 2020 Jul 06.
Abstract: Color generation based on strategically designed plasmonic nanostructures is a promising approach for display applications with unprecedented high-resolution. However, it is disadvantageous in that the optical response is fixed once the structure is de...