Preparation of liquid silicon‐based carbon dots and application for luminescent solar concentrators DOI

Tianshun Lu,

Shuhong Xu,

Lianping Gao

et al.

Luminescence, Journal Year: 2024, Volume and Issue: 39(7)

Published: July 1, 2024

Liquid silicon-based carbon dots (CDs) with a photoluminescence quantum yield (PLQY) of 50% were prepared using N-[3-(trimethoxysilyl)propyl]ethylenediamine (DAMO), citric acid, and n-butylamine as raw materials. Firstly, the optimized characters have been determined, namely, optimal DAMO, addition amounts 1 mL, 0.9 g, reaction time 3 h, temperature 160°C. Further research has confirmed that increase in fluorescence intensity CDs is mainly due to introduction which two amino groups DAMO play major role. In addition, Si-O-Si group generated by hydrolysis siloxane connected surface forms core-shell structure, modifies defects on enhances CDs. Finally, luminescent solar concentrators (LSCs) based liquid assembled spin coating. The obtained device transparency up 80% an optical efficiency 2.4%.

Language: Английский

Carbon Dots: A Review with Focus on Sustainability DOI Creative Commons
Junkai Ren,

Henry Opoku,

Shi Tang

et al.

Advanced Science, Journal Year: 2024, Volume and Issue: unknown

Published: July 18, 2024

Abstract Carbon dots (CDs) are an emerging class of nanomaterials with attractive optical properties, which promise to enable a variety applications. An important and timely question is whether CDs can become functional sustainable alternative incumbent nanomaterials, notably inorganic quantum dots. Herein, the current CD literature comprehensively reviewed as regards their synthesis function, focus on sustainability aspects. The study quantifies why it that be synthesized biomass sole starting material free from toxic precious metals critical raw materials. It further describes analyzes employed pretreatment, chemical‐conversion, purification, processing procedures, highlights issues usage solvents, energy efficiency, safety waste management. specially shown many reported methods concerningly wasteful utilization non‐sustainable solvents energy. finally recommended future studies should explicitly consider discuss environmental influence selected material, generated byproducts, quantitative information required amounts consumables, provided evaluation presented in upscaled context.

Language: Английский

Citations

21

Carbon dots: A review of innovations, applications, challenges, and future prospects DOI
S. Şen, Anindya Bose

Inorganic Chemistry Communications, Journal Year: 2025, Volume and Issue: 173, P. 113852 - 113852

Published: Jan. 5, 2025

Language: Английский

Citations

1

Efficient luminescent solar concentrators based on solvent polarity induced multiple-colored carbon dots DOI
Guiju Liu, Tao Li,

Rui Han

et al.

Journal of Colloid and Interface Science, Journal Year: 2025, Volume and Issue: 685, P. 774 - 782

Published: Jan. 22, 2025

Language: Английский

Citations

1

Utilizing molecular states of carbon quantum dots (CQDs) to efficiently harvest outdoor and indoor energy via luminescent solar concentrator DOI
Mumtaz Ali, T. Maiyalagan, Kang Hoon Lee

et al.

Surfaces and Interfaces, Journal Year: 2024, Volume and Issue: 52, P. 104953 - 104953

Published: Aug. 23, 2024

Language: Английский

Citations

4

Recent Advances in Highly Luminescent Carbon Dots DOI Creative Commons
Yupeng Liu, Zhujun Huang, Xuanye Wang

et al.

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Dec. 23, 2024

Abstract Highly luminescent carbon dots (CDs) have garnered significant attention and are increasingly utilized in various fields. Despite its importance, there has been a lack of comprehensive reviews focusing specifically on highly CDs. It is aimed here to fill that gap by exploring CDs with high photoluminescence quantum yield (PLQY), starting an examination the mechanisms underlying The selection synthetic raw materials preparation methods along research progress reviewed information across bands then statistically summarized several tables. Subsequently, structural features, synthesis methods, purification strategies lead PLQY based analyzing collected examples Furthermore, luminescent‐based multifunctional applications bioimaging, light‐emitting diodes, solar concentrators, lasers introduced. Finally, current landscape evaluated, existing challenges identified, feasible directions proposed for future development.

Language: Английский

Citations

4

Preparation and application of carbon dots@cyanuric acid composites with aggregation-induced emission effect DOI
Jianxi Xie, Lianghua Zhou,

Weihao Ye

et al.

Journal of Luminescence, Journal Year: 2025, Volume and Issue: unknown, P. 121063 - 121063

Published: Jan. 1, 2025

Language: Английский

Citations

0

Improved light absorption enables highly efficient carbon dots luminescent solar concentrator DOI Creative Commons

Jishuai Lin,

Lihua Wang, Xiangyong Meng

et al.

Applied Physics Letters, Journal Year: 2025, Volume and Issue: 126(4)

Published: Jan. 27, 2025

Carbon dots (CDs) offer several advantages, including non-toxicity, facile synthesis, high fluorescence efficiency, and large Stokes shift, rendering them up-and-coming candidates for luminescent solar concentrators (LSCs). However, the inherently weak light absorption of CDs significantly hinders LSC performance. Here, by modifying space-confined vacuum heating method, we synthesized quantum yield with increased size improved cross section (up to 2.7 times greater than smaller counterparts), which was elucidated size-dominated non-resonant mechanism. The enhanced absorptivity at reduced concentration demonstrated mitigate aggregation-induced quenching effectively. Furthermore, designed a multi-film coating structure block recycle transmitted harmful ultraviolet short-wavelength blue through optical interference, thereby fully exploiting this ‘useless’ waveband. By optimizing both CD recycling, fabricated 80 × 2.5 mm3 device achieved record-high external efficiency 9.6%, while still maintaining 71% average visible transmittance. This work proves substantial potential enhancing CD-based devices from perspective absorption.

Language: Английский

Citations

0

Review of Phosphorescent Carbon Dots and Their Applications DOI
Fan-Yong Yan, Shanshan Li,

Runze Tong

et al.

ACS Applied Nano Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 14, 2025

Language: Английский

Citations

0

Full‐Spectrum Carbon Dots Electroluminescent White Light‐Emitting Diodes with a Record Color Rendering Index of 94 DOI Open Access
Dan Li, Zhibin Wang,

Song Zheng

et al.

Advanced Functional Materials, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 21, 2025

Abstract Carbon dots (CDs) are emerging as promising nanomaterials for next‐generation white electroluminescent devices due to their high photoluminescence quantum yield (PLQY), broad emission spectrum, and compatibility with solution‐processed methods. However, current CD‐based light‐emitting diodes (CDs‐WLEDs) heavily rely on costly commercial host materials struggle low color rendering index (CRI). Herein, a “dual‐phase CDs emitter” strategy is introduced achieve full‐spectrum light emission, without employing materials. As proof of concept, synthesized broadband green nearly 100% PLQY. Spectroscopic structural analyses confirm that luminescence originates from molecular state emission. By combining these carbon dot organic frameworks capable dual blue red emissions, successfully produced record CRI 94 coordinates (0.32, 0.34). This approach provides cost‐effective efficient pathway developing high‐performance WLEDs exclusively CDs.

Language: Английский

Citations

0

Dynamic visualization for stress-induced crack initiation and resulted corrosion expansion in carbon quantum tailored epoxy coating DOI

En-Kang Wu,

Sihan Gu,

Cheng Li

et al.

Progress in Organic Coatings, Journal Year: 2025, Volume and Issue: 203, P. 109164 - 109164

Published: Feb. 26, 2025

Language: Английский

Citations

0