The nanolight revolution is coming

Lim, XiaoZhi

doi:10.1038/531026a

Cited by 114 publications

(84 citation statements)

References 11 publications

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“…This phenomenon can be found in a variety of materials including organic dyes, [ 1 ] semiconductor quantum dots, [ 2 ] noble metal nanoclusters, [ 3 ] and lanthanide‐doped phosphors. [ 4,5 ] In the last few years, the development of lanthanide‐doped materials has attracted considerable interests due to their unique optical properties, [ 6 ] especially upconversion properties. [ 7 ]…”

Section: Introductionmentioning

confidence: 99%

Controllable Synthesis of Upconversion Nanophosphors toward Scale‐Up Productions

Jiao

Chen

Wang

et al. 2020

Part & Part Syst Charact

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Upconversion nanophosphors (UCNPs) are considered as an important synthesis arm within biomedical and energy sectors due to their unique optical characteristics, which can convert near‐infrared light into higher energy emissions. However, key challenges, cost, compatibility of the materials, etc. have to be taken into serious consideration to transform this in‐lab UCNPs technology into scale‐up production for wider commercial needs. This review highlights the fundamental concepts of synthetic approaches for UCNPs and recaps recent advances in terms of large‐scale production. A number of typical synthesis routes in both batch and continuous processes are reviewed, alongside their limitations and potential improvements when being considered for mass production. By discussing and exploiting the technical compacity for the potential synthetic trends, key challenges, and expectations of future synthesis methods for UCNPs are also outlined.

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Section: Introductionmentioning

confidence: 99%

Controllable Synthesis of Upconversion Nanophosphors toward Scale‐Up Productions

Jiao

Chen

Wang

et al. 2020

Part & Part Syst Charact

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“…The organic dye based fluorescence probes could meet common requirements for biomedical study because of easy to modify, high fluorescence quantum yield and low toxicity . However, a common problem is inevitably that the fluorescence intensity of organic dyes would decrease drastically if its concentration is over a threshold value aggregation‐caused quenching (ACQ) . In 2001, Tang and co‐workers had found the hexaphenylsiloles (HPS) with phenyl rotors structure, which is emitting strong fluorescence in high aggregated state .…”

Section: Introductionmentioning

confidence: 99%

“…[8,14] However, a common problem is inevitably that the fluorescence intensity of organic dyes would decrease drastically if its concentration is over a threshold value aggregation-caused quenching (ACQ). [15] In 2001, Tang and co-workers had found the hexaphenylsiloles (HPS) with phenyl rotors structure, which is emitting strong fluorescence in high aggregated state. [16] The restriction of intramolecular rotation (RIR) mechanism illustrates that the aggregation-induced emitters (AIEgens) are in highly emissive states due to activation of the radiative decay channel.…”

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confidence: 99%

Biomacromolecule‐Functionalized AIEgens for Advanced Biomedical Studies

Duan

et al. 2019

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The advances in bioinformatics and biomedicine have promoted the development of biomedical imaging and theranostic systems to respectively extend the endogenous biomarker imaging with high contrast and enhance the therapeutic effect with high efficiency. The emergence of biomacromolecule‐functionalized aggregation‐induced emitters (AIEgens), utilizing AIEgens, and biomacromolecules (nucleic acids, peptides, glycans, and lipids), displays specific targeting ability to cancer cell, improved biocompatibility, reduced toxicity, enhanced therapeutic effect, and so forth. This review summarizes the rational design of biomacromolecule‐functionalized AIEgens and their biomedical applications in recent ten years, including high‐resolution optical imaging of cell, tissue, and small animal model with low background; the biomarker detection for early diagnosis and prognosis; the delivery and monitoring of prodrugs; image‐guide photodynamic therapy and its combination with chemotherapy. Through illustrating their functional mechanisms and application, it is hoped that this review would open up a completely new train of research thought for attracted researchers in various fields.

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“…Nanolights, consisting of organic or inorganic compounds with a size of a few nanometers, enable the emission of bright light, and are attracting growing interest in the fields of bio-imaging, sensing, energy harvesting, and displays [1]. Quantum dots as inorganic semiconductors continue to be at the forefront of nanolight development due to their commercial availability and facile fabrication to obtain a desired color [2].…”

Section: Introductionmentioning

confidence: 99%

Thermochemically Stable Liquid-Crystalline Gold(I) Complexes Showing Enhanced Room Temperature Phosphorescence

Kuroda¹,

Nakamura²,

Srinivas³

et al. 2019

Crystals

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Gold(I) complexes are some of the most attractive materials for generating aggregation-induced emission (AIE), enabling the realization of novel light-emitting applications such as chemo-sensors, bio-sensors, cell imaging, and organic light-emitting diodes (OLEDs). In this study, we propose a rational design of luminescent gold complexes to achieve both high thermochemical stability and intense room temperature phosphorescence, which are desirable features in practical luminescent applications. Here, a series of gold(I) complexes with ligands of N-heterocyclic carbene (NHC) derivatives and/or acetylide were synthesized. Detailed characterization revealed that the incorporation of NHC ligands could increase the molecular thermochemical stability, as the decomposition temperature was increased to ~300 °C. We demonstrate that incorporation of both NHC and acetylide ligands enables us to generate gold(I) complexes exhibiting both high thermochemical stability and high room-temperature phosphorescence quantum yield (>40%) under ambient conditions. Furthermore, we modified the length of alkoxy chains at ligands, and succeeded in synthesizing a liquid crystalline gold(I) complex while maintaining the relatively high thermochemical stability and quantum yield.

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The nanolight revolution is coming

Cited by 114 publications

References 11 publications

Controllable Synthesis of Upconversion Nanophosphors toward Scale‐Up Productions

Controllable Synthesis of Upconversion Nanophosphors toward Scale‐Up Productions

Biomacromolecule‐Functionalized AIEgens for Advanced Biomedical Studies

Thermochemically Stable Liquid-Crystalline Gold(I) Complexes Showing Enhanced Room Temperature Phosphorescence

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