Chemosphere, Journal Year: 2023, Volume and Issue: 339, P. 139638 - 139638
Published: July 29, 2023
Language: Английский
Environmental Research, Journal Year: 2022, Volume and Issue: 212, P. 113283 - 113283
Published: April 21, 2022
Language: Английский
Citations
215
Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(18), P. 11047 - 11136
Published: Sept. 7, 2023
Advances in nanotechnology and nanomaterials have attracted considerable interest play key roles scientific innovations diverse fields. In particular, increased attention has been focused on carbon-based exhibiting extended structures unique properties. Among these materials, zero-dimensional structures, including fullerenes, carbon nano-onions, nanodiamonds, dots, possess excellent bioaffinities superior fluorescence properties that make suitable for application to environmental biological sensing, imaging, therapeutics. This review provides a systematic overview of the classification structural properties, design principles preparation methods, optical sensing applications nanomaterials. Recent interesting breakthroughs sensitive selective imaging heavy metal pollutants, hazardous substances, bioactive molecules as well information encryption, super-resolution photoacoustic phototherapy nanomedicine delivery are main focus this review. Finally, future challenges prospects materials highlighted envisaged. presents comprehensive basis directions designing, developing, applying fascinating fluorescent sensors fabricated based specific requirements numerous research
Language: Английский
Citations
130
Carbon Energy, Journal Year: 2023, Volume and Issue: 5(9)
Published: Feb. 1, 2023
Abstract Photocatalytic water splitting is beneficial for the effective mitigation of global energy and environmental crises. Owing to multi‐exciton generation, impressive light harvesting, excellent photochemical properties, quantum dot (QD)‐based catalysts reveal a considerable potential in photocatalytic hydrogen (H 2 ) production compared with bulk competitors. In this review, we summarize recent advances QDs H by enumerating different synthetic characterization strategies QDs. Various QDs‐based photocatalysts are introduced summarized categories, role varied systems, as well mechanism key factors that enhance generation performance, discussed. Finally, conclusions future perspectives exploration highly efficient innovative applications highlighted.
Language: Английский
Citations
110
Small, Journal Year: 2023, Volume and Issue: 19(48)
Published: Aug. 3, 2023
Carbon dots (CDs), a new type of carbon-based fluorescent nanomaterial, have attracted widespread attention because their numerous excellent properties. Lignocellulosic biomass is the most abundant renewable natural resource and possesses broad potential to manufacture different composite smart materials. Numerous studies explored using components (such as cellulose, hemicellulose, lignin) in lignocellulosic produce CDs. There are few papers systemically aiming review state-of-the-art works related biomass-derived In this review, significant advances synthesis processes, formation mechanisms, structural characteristics, optical properties, applications biomass-based CDs such cellulose-based CDs, hemicellulose-based lignin-based latest research reviewed. addition, future directions on improvement technology raw materials enhance properties proposed. This will serve road map for scientists engaged exploring more science fields achieve highest material performance goals
Language: Английский
Citations
79
Small, Journal Year: 2023, Volume and Issue: 19(10)
Published: Jan. 15, 2023
Abstract Optical information encryption and safety have aroused great attention since they are closely correlated to data protection safety. The development of multiple stimuli‐response optical materials for constructing large‐capacity is very important practical applications. Carbon dots (CDs) many gratifying merits, such as polychromatic emission, diverse luminous categories, stable physicochemical properties, considered one the most ideal candidates protection. Herein, carbon core, functional groups, solvents, other crucial factors reviewed outputting emission categories. In particular, substrate engineering strategies been emphasized their critical role in yielding excellent features High‐capacity by relying on rich properties CDs, categories fluorescence, afterglow, upconversion, well external‐stimuli‐assisted changes. Some perspectives preparing CDs further developing security proposed. This review provides a good reference manipulation next‐generation
Language: Английский
Citations
75
Journal of Colloid and Interface Science, Journal Year: 2022, Volume and Issue: 617, P. 557 - 567
Published: March 10, 2022
Language: Английский
Citations
72
Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(50)
Published: Aug. 17, 2023
Abstract Large‐scale production of full‐color carbon dots (CDs) at room temperature under atmospheric pressure will promote their industrial application. Herein, o‐phenylenediamine is used as a single‐precursor source and hydrogen peroxide an oxidant. Kilogram‐scale CDs are obtained by stirring these reactants in air for 30 min. After purification acid treatment, blue‐, green‐, red‐fluorescence with photoluminescence peaks 481, 539, 625 nm quantum yields 21.76%, 27.12%, 13.06%, respectively. Based on chemical structural characterizations, reasonable formation mechanism deduced, blue, green, red fluorescence arising from nuclei stacked conjugate planes containing fragments quinoxaline, 2,3‐diaminophenazine (2,3‐DAPN), protonated 2,3‐DAPN, High‐quality multi‐color white light‐emitting diodes successfully fabricated to demonstrate potential commercial applications display illumination.
Language: Английский
Citations
54
ACS Sustainable Chemistry & Engineering, Journal Year: 2023, Volume and Issue: 11(13), P. 5082 - 5092
Published: March 13, 2023
Using biomass materials to prepare carbon dots (CDs) has received significant interest. As a cheap and environmentally friendly material, waste leather scrap can be used for the preparation of CDs performance tuning. Herein, is as precursor reactant fabricate multicolor (red, green, blue) (R-CDs, G-CDs, B-CDs) with tunable emission wavelength via simple one-step hydrothermal/solvothermal strategy using only nitrogen source (p-phenylenediamine or o-phenylenediamine) doping. The morphology, structure, optical properties were investigated by transmission electron microscopy (TEM), Fourier-transform infrared (FT-IR) spectroscopy, X-ray diffraction (XRD), Raman ζ-potential measurements, photoelectron spectroscopy (XPS), ultraviolet–visible (UV–vis), photoluminescence (PL), UV-differential reflectance (UV-DRS). Results showed that sizes R-CDs, B-CDs are 10.0, 7.4, 2.5 nm, respectively, all have typical crystal plane graphitic structure rich in chemical groups such C═O, −OH, C–N, etc. detailed characterization comparison three types confirm size functional effectively add other energy levels transitions tuning luminescent CDs. wavelengths 612, 535, 429 at same time, calculated UV–vis DRS 2.11, 2.43, 2.58 eV, respectively. Because stable excellent performance, employed ink flexible films. utilization renewable scrap, along convenient methods, paves way sustainable, cost-effective synthesis practical applications anti-counterfeiting.
Language: Английский
Citations
52
International Journal of Biological Macromolecules, Journal Year: 2024, Volume and Issue: 266, P. 131005 - 131005
Published: March 24, 2024
Language: Английский
Citations
31
Green Chemistry, Journal Year: 2024, Volume and Issue: 26(6), P. 3190 - 3201
Published: Jan. 1, 2024
Five different M w fractionated lignins were used to prepare five types of L-CQDs for general cell imaging and clarify the effects lignin on formation properties L-CQDs.
Language: Английский
Citations
30