Measurement methods for triplet-triplet annihilation photon upconversion DOI Creative Commons
Qifu Luan, Lili Hou,

Hongyu Li

et al.

Optics Continuum, Journal Year: 2024, Volume and Issue: 3(11), P. 2078 - 2078

Published: Oct. 14, 2024

Triplet-triplet annihilation photon upconversion (TTA-UC) has made significant progress in recent decades and shown high potential solar energy harvesting photocatalysis. There is a demand for detailed standardized descriptions of measurement protocols TTA-UC, particularly regarding instrumentation, controlling software, standard procedures. Here, we present the hardware, comprehensive guidelines conducting TTA-UC testing. Our system successfully measured two typical samples containing palladium (II) octaethylporphine (PdOEP) platinum octaethylporphyrin (PtOEP) as sensitizers 9,10-diphenylanthracene (DPA) annihilator. The obtained key parameters demonstrate reliability accuracy our design methods.

Language: Английский

Nanoarchitectonics: the method for everything in materials science DOI Open Access
Katsuhiko Ariga

Bulletin of the Chemical Society of Japan, Journal Year: 2023, Volume and Issue: 97(1)

Published: Dec. 1, 2023

Abstract Nanotechnology has revealed the science of nanoscale. The global challenge that will follow is to build functional materials with knowledge nanoscale phenomena. This task carried out by nanoarchitectonics as a postnanotechnology concept. goal material systems architecting atoms, molecules, and nanomaterials building blocks. Fundamentally, all are made atoms molecules. Therefore, nanoarchitectonics, which architects from can be universal way create materials. It may said method for everything in science. From basic units, living cells, complex systems, components nanoarchitectonics. paper presents recent examples research at various size levels, atomic cellular level, specifically, (i) atomistic (ii) molecular (iii) supramolecular (iv) inorganic (v) biomolecular (vi) cell-mimic (vii) cell-based possibility science, an integrative then explored.

Language: Английский

Citations

108

Applications of red light photoredox catalysis in organic synthesis DOI
Alexander Schade, Liangyong Mei

Organic & Biomolecular Chemistry, Journal Year: 2023, Volume and Issue: 21(12), P. 2472 - 2485

Published: Jan. 1, 2023

This review summarizes the current progress in red light-mediated and near-infrared-induced reactions organic synthesis.

Language: Английский

Citations

31

Materials Nanoarchitectonics at Dynamic Interfaces: Structure Formation and Functional Manipulation DOI Open Access
Katsuhiko Ariga

Materials, Journal Year: 2024, Volume and Issue: 17(1), P. 271 - 271

Published: Jan. 4, 2024

The next step in nanotechnology is to establish a methodology assemble new functional materials based on the knowledge of nanotechnology. This task undertaken by nanoarchitectonics. In nanoarchitectonics, we architect material systems from nanounits such as atoms, molecules, and nanomaterials. terms hierarchy structure harmonization function, created nanoarchitectonics has similar characteristics organization biosystems. Looking at actual biofunctional systems, dynamic properties interfacial environments are key. other words, interfaces important for production bio-like highly systems. this review paper, will be discussed, looking recent typical examples. particular, basic topics “molecular manipulation, arrangement, assembly” “material production” discussed first two sections. Then, following section, “fullerene assembly: zero-dimensional unit advanced materials”, discuss how various structures can very nanounit, fullerene. above examples demonstrate versatile possibilities architectonics interfaces. last these tendencies summarized, future directions discussed.

Language: Английский

Citations

7

Biomass Nanoarchitectonics for Supercapacitor Applications DOI Creative Commons
Lok Kumar Shrestha, Rekha Goswami Shrestha, Sabina Shahi

et al.

Journal of Oleo Science, Journal Year: 2023, Volume and Issue: 72(1), P. 11 - 32

Published: Jan. 1, 2023

Nanoarchitectonics integrates nanotechnology with numerous scientific disciplines to create innovative and novel functional materials from nano-units (atoms, molecules, nanomaterials). The objective of nanoarchitectonics concept is develop systems rationally architected units. This paper explores the progress potential this field using biomass for supercapacitor applications as examples energetic devices. Strategic design nanoporous carbons that exhibit ultra-high surface area hierarchically pore architectures comprising micro- mesopore structure controlled size distributions are great significance in energy-related applications, including high-performance supercapacitors, lithium-ion batteries, fuel cells. Agricultural wastes or natural lignocellulosic excellent carbon sources preparation porous an attractive due high electrical ion conduction, extreme porosity, exceptional chemical thermal stability. In review, we will focus on latest advancements fabrication hierarchical different by activation method. Particularly, importance biomass-derived carbons, interconnected pores high-energy storage, supercapacitors be discussed. Finally, current challenges outlook further improvement derived agricultural devices

Language: Английский

Citations

13

Recent Trends in Upconversion Luminescent Inorganic Materials and Nanomaterials for Enhanced Photovoltaic Solar Cell and Biological Applications DOI Creative Commons

Mostafa S. Eraky,

Sara S. Elsherif,

Moustafa M.S. Sanad

et al.

Journal of Fluorescence, Journal Year: 2025, Volume and Issue: unknown

Published: March 10, 2025

Abstract Upconversion (UC) luminescent materials have emerged as captivating contenders in revolutionizing both photovoltaic (PV) solar cell efficiency and biological capabilities. Their unique ability to convert low-energy infrared light into high-energy visible or ultraviolet (UV) photons unlocks untapped resources the spectrum allows for deeper tissue penetration imaging. By bridging gap between recent advancements remaining hurdles, we aim inspire further research accelerate translation of these practical impactful applications energy healthcare. This review delves trends propelling forward. We explore UC through optimized material design, novel synthesis routes, synergistic integration with existing technologies. In domain PVs, shed on strategies utilizing address spectral mismatch enhance harvesting, paving way higher power conversion efficiencies. For applications, illuminate development biocompatible targeted probes, enabling deep penetration, multimodality imaging, theranostic potential. critically analyze current limitations future directions materials, highlighting challenges toxicity, quenching, scalability that remain be tackled. providing a comprehensive overview exciting progress persistent hurdles research, this aims guide explorations catalyze widespread adoption sustainable generation advanced medical diagnostics.

Language: Английский

Citations

0

Confined Space Nanoarchitectonics for Dynamic Functions and Molecular Machines DOI Creative Commons
Katsuhiko Ariga

Micromachines, Journal Year: 2024, Volume and Issue: 15(2), P. 282 - 282

Published: Feb. 17, 2024

Nanotechnology has advanced the techniques for elucidating phenomena at atomic, molecular, and nano-level. As a post nanotechnology concept, nanoarchitectonics emerged to create functional materials from unit structures. Consider material function when enables design of whose internal structure is controlled nanometer level. Material determined by two elements. These are that forms core environment (matrix) surrounds it. This review paper discusses confined space, which field controlling molecular machines. The first few sections introduce some various dynamic functions in spaces, considering biospace. In latter sections, examples research on behavior machines, such as motors, spaces discussed. particular, surface space nanospace taken up typical space. What these show not only central unit, but also surrounding spatial configuration necessary higher expression. Nanoarchitectonics will play important roles architecture total system.

Language: Английский

Citations

3

2D Materials Nanoarchitectonics for 3D Structures/Functions DOI Open Access
Katsuhiko Ariga

Materials, Journal Year: 2024, Volume and Issue: 17(4), P. 936 - 936

Published: Feb. 17, 2024

It has become clear that superior material functions are derived from precisely controlled nanostructures. This been greatly accelerated by the development of nanotechnology. The next step is to assemble materials with knowledge their nano-level structures. task assigned post-nanotechnology concept nanoarchitectonics. However, nanoarchitectonics, which creates intricate three-dimensional functional structures, not always easy. Two-dimensional nanoarchitectonics based on reactions and arrangements at surface may be an easier target tackle. A better methodology would define a two-dimensional structure then develop it into function. According these backgrounds, this review paper organized as follows. introduction followed summary three issues; (i) 2D 3D dynamic control: liquid crystal commanded surface, (ii) rational construction: metal-organic framework (MOF) covalent organic (COF); (iii) amplification: cells regulated surface. In addition, summarizes important aspects ultimate perspective. goal establish integrated creation reconsidering various reported cases viewpoint where can regarded method for everything in science.

Language: Английский

Citations

3

Liquid–Liquid and Liquid–Solid Interfacial Nanoarchitectonics DOI Creative Commons
Katsuhiko Ariga

Molecules, Journal Year: 2024, Volume and Issue: 29(13), P. 3168 - 3168

Published: July 3, 2024

Nanoscale science is becoming increasingly important and prominent, further development will necessitate integration with other material chemistries. In words, it involves the construction of a methodology to build up materials based on nanoscale knowledge. This also beginning concept post-nanotechnology. role belongs nanoarchitectonics, which has been rapidly developing in recent years. However, scope application nanoarchitectonics wide, somewhat difficult compile everything. Therefore, this review article introduce concepts liquid interface, are keywords for organization functional systems biological systems. The target interfaces liquid-liquid liquid-solid so on. Recent examples summarized under categories molecular assembly, metal-organic framework covalent organic framework, living cell. addition, latest research interfacial semiconductor film discussed. final conclusive section summarizes these features discusses necessary components nanoarchitectonics.

Language: Английский

Citations

2

Materials Nanoarchitectonics for Advanced Devices DOI Open Access
Katsuhiko Ariga

Materials, Journal Year: 2024, Volume and Issue: 17(23), P. 5918 - 5918

Published: Dec. 3, 2024

Advances in nanotechnology have made it possible to observe and evaluate structures down the atomic molecular level. The next step development of functional materials is apply knowledge sciences. This role nanoarchitectonics, which a concept post-nanotechnology. Nanoarchitectonics defined as methodology create using nanounits such atoms, molecules, nanomaterials building blocks. very general not limited or applications, thus nanoarchitecture applied many fields. In particular, evolution from nanoarchitecture, useful consider contribution device applications. There may be solution widely recognized problem integrating top-down bottom-up approaches design systems. With this mind, review discusses examples nanoarchitectonics developments advanced devices. Some recent are introduced through broadly dividing them into organic inorganic nanoarchitectonics. Examples include variety control structural elements, π-conjugated structures, chemical complex ligands, steric hindrance effects, stacking, isomerization color changes due external stimuli, selective redox reactions, doping semiconductors by electron transfer reactions. Supramolecular processes association intercalation molecules also important controlling properties. often allows for size, dimension, shape, their associated physical properties can controlled. addition, there specific groups that suitable practical use, nanoparticles graphene. Therefore, has more aspect. Based on these aspects, finally considers future further

Language: Английский

Citations

1

Exploring the Gas‐Phase Formation and Chemical Reactivity of Highly Reduced M8L6 Coordination Cages DOI Creative Commons
Michael C. Pfrunder, David L. Marshall, Berwyck L. J. Poad

et al.

Angewandte Chemie International Edition, Journal Year: 2022, Volume and Issue: 61(45)

Published: Sept. 14, 2022

Coordination cages with well-defined cavities show great promise in the field of catalysis on account their unique combination molecular confinement effects and transition-metal redox chemistry. Here, three coordination are reduced from native 16+ oxidation state to 2+ gas phase without observable structural degradation. Using this method, reaction rate constants for each reduction step were determined, no noticeable differences arising following either incorporation a C60 -fullerene guest or alteration cage chemical structure. The reactivity highly species toward oxygen is "switched-on" after threshold number steps, which influenced by molecules structure components. These new experimental approaches provide window explore chemistry highly-reduced that can be modulated altering structures encapsulated species.

Language: Английский

Citations

4