Journal ArticleDOI
Enhanced RuBisCO activity and promoted dicotyledons growth with degradable carbon dots
Hao Li,Jian Huang,Yang Liu,Fang Lu,Jun Zhong,Yong Wang,Shuiming Li,Yeshayahu Lifshitz,Yeshayahu Lifshitz,Shuit-Tong Lee,Zhenhui Kang +10 more
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TLDR
In this paper, the degradable carbon dots (CDs) were synthesized directly from carbon rod by a one-step electrochemical method at room temperature, which can effectively enhance the ribulose bisphosphate carboxylase oxygenase (RuBisCO) activity, and then promote the dicotyledons growth (soybean, tomato, eggplant and so on) and finally increase their yields.Abstract:
The ∼ 5 nm degradable carbon dots (CDs) were synthesized directly from carbon rod by a one-step electrochemical method at room temperature. The as-prepared CDs can effectively enhance the ribulose bisphosphate carboxylase oxygenase (RuBisCO) activity, and then promote the dicotyledons growth (soybean, tomato, eggplant and so on) and finally increase their yields. Here, we used Arabidopsis thaliana and Trifolium repens L. as model plants to systematically study the beneficial effects of CDs on plant growth. These include: (i) accelerating seed germination; (ii) enlarging root elongation; (iii) increasing metal ions absorption and delivery; (iv) improving enzymes activity; (v) enhancing the carbohydrate content; (vi) degradation into plant hormone analogues and CO2; and finally (vii) enhancing the grain production by about 20%.read more
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Carbon dots: advances in nanocarbon applications
Zhenhui Kang,Shuit-Tong Lee +1 more
TL;DR: Recent progress in the practical applications of C-Dots is highlighted, with particular attention to the research in light-emitting devices, bioimaging and biodetection, catalysis, functional materials, and agriculture.
Journal ArticleDOI
Advances in carbon dots: from the perspective of traditional quantum dots
TL;DR: The researchers in the community is expected to foresee the great potential of CDots, and focus on the critical results obtained during the development of TQDs, paying special attention to the profound principles behind the synthetic chemistry, luminescence mechanisms and applications.
Journal ArticleDOI
A review on the effects of carbon dots in plant systems
Yadong Li,Xiaokai Xu,Ying Wu,Jianle Zhuang,Xuejie Zhang,Haoran Zhang,Bingfu Lei,Chaofan Hu,Yingliang Liu +8 more
TL;DR: The interactions of CDs with plant systems for the first time are reviewed, including symptomatic plant growth, internal physiological processes and other external factors involved in plant growth.
Journal ArticleDOI
The synthetic strategies, photoluminescence mechanisms and promising applications of carbon dots: Current state and future perspective
TL;DR: In this article , a review comprehensively summarizes the development of synthetic strategies, photoluminescence (PL) mechanisms and promising applications of CDs, and aims to encourage related researchers to overcome various existing technical challenges, make up the insufficiency of existing research and tap into the full potential of CDs.
Journal ArticleDOI
The synthetic strategies, photoluminescence mechanisms and promising applications of carbon dots: Current state and future perspective
TL;DR: In this paper, a review comprehensively summarizes the development of synthetic strategies, photoluminescence (PL) mechanisms and promising applications of CDs, and the prospects and challenges for research into CDs are discussed in depth.
References
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Journal ArticleDOI
Metal-free efficient photocatalyst for stable visible water splitting via a two-electron pathway
Juan Liu,Yang Liu,Naiyun Liu,Yuzhi Han,Xing Zhang,Hui Huang,Yeshayahu Lifshitz,Yeshayahu Lifshitz,Shuit-Tong Lee,Jun Zhong,Zhenhui Kang +10 more
TL;DR: The design and fabrication of a metal-free carbon nanodot–carbon nitride (C3N4) nanocomposite is reported and its impressive performance for photocatalytic solar water splitting is demonstrated.
Journal ArticleDOI
Carbon quantum dots and their applications
TL;DR: The progress in the research and development of CQDs is reviewed with an emphasis on their synthesis, functionalization and technical applications along with some discussion on challenges and perspectives in this exciting and promising field.
Journal ArticleDOI
Water‐Soluble Fluorescent Carbon Quantum Dots and Photocatalyst Design
Haitao Li,Xiaodie He,Zhenhui Kang,Zhenhui Kang,Hui Huang,Yang Liu,Yang Liu,Jinglin Liu,Suoyuan Lian,Chi Him A. Tsang,Xiao-Bao Yang,Shuit-Tong Lee +11 more
TL;DR: The facile one-step alkali-assisted electrochemical fabrication of CQDs with sizes of 1.2– 3.8 nm which possess size-dependent photoluminescence (PL) and excellent upconversion luminescence properties are reported and the design of photocatalysts is demonstrated to harness the use of the full spectrum of sunlight.
Journal ArticleDOI
Stomatal conductance correlates with photosynthetic capacity
TL;DR: In this paper, it was shown that stomatal aperture capacity is determined by the capacity of the mesophyll tissue to fix carbon, and that the diffusive conductance of the epidermis to CO2 transfer, g, changes in nearly the same proportion as the rate of assimilation of CO2.
Journal ArticleDOI
A graphene quantum dot photodynamic therapy agent with high singlet oxygen generation
Jiechao Ge,Minhuan Lan,Bingjiang Zhou,Weimin Liu,Liang Guo,Hui Wang,Qingyan Jia,Guangle Niu,Xing Huang,Hangyue Zhou,Xiang-Min Meng,Pengfei Wang,Chun-Sing Lee,Wenjun Zhang,Xiaodong Han +14 more
TL;DR: This work presents a new PDT agent based on graphene quantum dots (GQDs) that can produce 1O2 via a multistate sensitization process, resulting in a quantum yield of ~1.3, the highest reported for PDT agents.