Results 241 to 250 of about 103,597 (285)
Advanced Functional Materials, EarlyView.A monolayer graphene/phosphoric‐acid mixed proton‐electron conducting membrane combines proton‐conducting nanoconfined acid channels with electron‐conducting graphene nanosheets for efficient high‐temperature hydrogen purification. The membrane achieves nearly 100% H2/CO2 selectivity and 69 GPU hydrogen permeance at 250°C, arising from synergistic ...
Kaiqiang He +8 more
wiley +1 more source
Advanced Functional Materials, EarlyView.Developing recyclable materials for magnetic robotics that combine rapid response and self‐healing properties is challenging. Hence, this study focuses on the integration of magnetothermal nanoparticles into a dynamic sorbitol‐based vitrimer, a recyclable composite capable of remote actuation and self‐healing by magnetic heating.
Maria Weißpflog +3 more
wiley +1 more source
X‐Functionality–Driven Photocatalytic Hydrogen Evolution in 2D 4‐X‐PEA2SnI4 Perovskites
Advanced Functional Materials, EarlyView.We report a water‐based synthesis of 2D 4‐X‐PEA2SnI4 perovskite microcrystals with prominent photocatalytic (PC) activity for H2 production. The synergy between organic functionalization and HI‐derived iodide scavenges holes suppress octahedral distortion, and favor electron accumulation, enabling a PC H2 evolution ∼20 µmol·g−1 and long‐term stability ...
Taeyeon Kim +21 more
wiley +1 more source
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Near-infrared-II activated inorganic photothermal nanomedicines
Biomaterials, 2021The emergence of near-infrared-II (NIR-II) activated photomedicines has extended the penetration depth for noninvasive theranostics, especially for photothermal nanomedicines. The current early development stage for NIR-II activated photomedicines has focused on creating a greater variety of photothermal agents (PTAs) with superior photothermal ...
Zhongzheng, Yu +3 more
openaire +2 more sources
Activatable Rare Earth Near-Infrared-II Fluorescence Ratiometric Nanoprobes
Nano Letters, 2021Rational design of efficient lanthanide-doped down-shifting nanoparticles (DSNPs) has attracted tremendous attention. However, energy loss was inevitable in the multiple Ln3+ doping systems owing to complex energy migration processes. Here, an efficient NaErF4@NaYF4@NaYF4:10%Nd@NaYF4 DSNP was tactfully designed, in which a buffer layer of NaYF4 was ...
Ziqiang Sun +7 more
openaire +2 more sources
Photostability investigation of a near-infrared-II heptamethine cyanine dye
Bioorganic Chemistry, 2022The development of small-molecule organic fluorophores in the second near-infrared region (NIR-II, 1000-1700 nm) has recently received immense attention due to deep tissue light penetration and reduced autofluorescence. Polymethine cyanine dyes as important building blocks are frequently used to design NIR-II light-activated fluorophores.
Tingyan, Chen +3 more
openaire +2 more sources
Near-infrared II photoacoustic probes for nitric oxide sensing
2021In this chapter, we introduce a two-phase tuning approach for developing highly sensitive photoacoustic probes for imaging nitric oxide (NO) in the near-infrared (NIR)-II window. Due to the synthetically challenging nature of current NIR-II dye platforms, our two-phase tuning approach circumvents this issue by first allowing one to tune the reactivity ...
Melissa Y, Lucero +2 more
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Near-Infrared-II-Driven Pollen Micromotors for Inflammatory Bowel Disease Treatment
ACS Nano, 2023Inflammatory bowel disease (IBD) is a common inflammatory bowel disease with a high incidence rate and serious consequences. Attempts in this area are focusing on developing efficient delivery systems for relieving IBD. Herein, we present a kind of near-infrared-II (NIR-II)-activated pollen-derived micromotor (PDMM) as an efficient delivery system for ...
Lijun Cai +4 more
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Near-infrared-II thermally activated delayed fluorescence organic light-emitting diodes
Chemical Communications, 2020The first thermally activated delayed fluorescence emitter and organic light-emitting diodes in the near-infrared II region were realized via intermolecular charge-transfer aggregates.
Qingxin Liang +3 more
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Near‐Infrared‐II Nanomaterials for Fluorescence Imaging and Photodynamic Therapy
Advanced Optical Materials, 2021AbstractFluorescence (FL) imaging and photodynamic therapy (PDT) are popular in the diagnosis and treatment of diseases, respectively, especially in cancer. The excitation of the laser in the second near‐infrared (NIR‐II) window can effectively avoid the interference of spontaneous fluorescence and light scattering of tissues, obtaining high‐resolution
Hongxin Lin +6 more
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