Mechanistic insight into the nucleation and growth of oleic acid capped lead sulphide quantum dots

Literature Information

Publication Date 2016-05-03
DOI 10.1039/C6CP02119K
Impact Factor 3.676
Authors

Aabhash Shrestha, Shi Zhang Qiao, Sheng Dai


View Original

Abstract

The quantum dots (QDs) of lead sulphide (PbS) are attractive near-infrared (NIR) active materials and have promising applications in a wide variety of applications. Till date many efforts have been made on optimizing its synthesis; however, current mechanistic understanding involving the nucleation and growth of these QDs has not reached the same level as that for other QDs. In this study, we present a detailed understanding on synthesis mechanism of PbS QDs so as to provide guidance for future QDs synthesis. The synthesis of PbS QDs is largely independent of classical nucleation process and the hot-injection of precursors may not be necessary for the successful synthesis of PbS QDs. The synthesis is basically a growth dominated process and is controlled by the Ostwald ripening of PbS QDs. In addition, reaction temperature and ligand are the key parameters for controlling QD growth. Temperature provides energy for overcoming activation barrier of QD growth while the ligands enhance QD growth via altering the environment for QD growth. Following the mechanism governing the synthesis of PbS QDs, we demonstrate that the size tuning of PbS QDs in ultra-small (<2 nm) can be achieved, which has been typically challenging following the hot injection synthesis.

Related Literature

The study of rhenium pentacarbonyl complexes using single-atom chemistry in the gas phase

Yang Wang, Shiwei Cao, Fangli Fan, Jie Yang, Hiromitsu Haba, Yukiko Komori, Takuya Yokokita, Kouji Morimoto, Daiya Kaji, Andreas Türler

2019-03-07 Paper

DOI: 10.1039/C8CP07844K

Front cover

Cover

DOI: 10.1039/C9CP90088H

Strong influence of weak hydrogen bonding on actinide–phosphonate complexation: accurate predictions from DFT followed by experimental validation

Aditi Chandrasekar, Tapan K. Ghanty, C. V. S. Brahmmananda Rao, Mahesh Sundararajan, N. Sivaraman

2019-02-13 Paper

DOI: 10.1039/C9CP00479C

Turing patterns on radially growing domains: experiments and simulations

Christopher Konow, Noah H. Somberg, Jocelyne Chavez, Irving R. Epstein, Milos Dolnik

2019-03-06 Paper

DOI: 10.1039/C8CP07797E

Comparison of hydrogen vacancies in KDP and ADP crystals: a combination of density functional theory calculations and experiment

Tingting Sui, Yafei Lian, Mingxia Xu, Lisong Zhang, Yanlu Li, Xian Zhao, Xinguang Xu, Xun Sun

2019-02-22 Paper

DOI: 10.1039/C8CP07685E

Tuning oxygen electrocatalysis via strain on LaNiO3(001)‡

Simuck F. Yuk, Valentino R. Cooper

2018-10-15 Paper

DOI: 10.1039/C8CP02405G

Equilibrium structures of the tetramezine diastereomers and their ratio: joint analysis of gas phase electron diffraction, quantum chemistry, and spectroscopic data

Leonid S. Khaikin, Igor V. Kochikov, Anatoliy N. Rykov, Olga E. Grikina, Georgiy G. Ageev, Igor F. Shishkov, Vladimir V. Kuznetsov, Nina N. Makhova

2019-02-08 Paper

DOI: 10.1039/C8CP07607C

How intermolecular interactions influence electronic absorption spectra: insights from the molecular packing of uracil in condensed phases

Fangjia Fu, Kang Liao, Jing Ma, Zheng Cheng, Dong Zheng, Liuzhou Gao, Chungen Liu, Shuhua Li, Wei Li

2019-01-16 Paper

DOI: 10.1039/C8CP06152A

Micromechanical exfoliation of graphene on the atomistic scale‡

Robert C. Sinclair, James L. Suter, Peter V. Coveney

2019-02-25 Paper

DOI: 10.1039/C8CP07796G

You might also like

Compound Q&A

What are the main uses of 4-Nitrophenyl phosphate disodium salt hexahydrate (CAS: 333338-18-4)?

4-Nitrophenyl phosphate disodium salt hexahydrate is primarily used as a substra...

333338-18-44-Nitrophenyl phosph...
Compound Q&A

What are the main uses of 2-(Trifluoromethyl)-1,3-oxazole-4-carboxylic Acid (CAS: 1060816-01-4)?

2-(Trifluoromethyl)-1,3-oxazole-4-carboxylic Acid (CAS: 1060816-01-4) is widely ...

1060816-01-42-(Trifluoromethyl)-...
Compound Q&A

How should 2-Fluoro-4-biphenylcarboxylic acid (CAS: 137045-30-8) be stored?

2-Fluoro-4-biphenylcarboxylic acid should be stored in a cool, dry place at room...

137045-30-82-Fluoro-4-biphenylc...
Compound Q&A

What industries use Prednisolone-21-Carboxylic Acid (CAS: 61549-70-0)?

Prednisolone-21-Carboxylic Acid is primarily used in the pharmaceutical industry...

61549-70-0Prednisolone-21-Carb...
Compound Q&A

How should 4-(Hydrazinomethyl)-1,2,3-benzenetriol (CAS: 3614-72-0) be stored?

4-(Hydrazinomethyl)-1,2,3-benzenetriol (CAS: 3614-72-0) should be stored in a co...

3614-72-04-(Hydrazinomethyl)-...
Compound Q&A

What industries use 4-Amino-1-methyl-1H-pyrazole-5-carboxylic acid hydrochloride (CAS: 92534-70-8)?

4-Amino-1-methyl-1H-pyrazole-5-carboxylic acid hydrochloride (CAS: 92534-70-8) i...

92534-70-84-Amino-1-methyl-1H-...
Compound Q&A

What regulatory guidelines apply to dehydropachymic acid (CAS: 77012-31-8)?

Dehydropachymic acid (CAS: 77012-31-8) is regulated by various agencies. It fall...

77012-31-8Dehydropachymic acid
Compound Q&A

What is the market or research trend for 6-[(2,2-Dimethylpropanoyl)amino]nicotinic acid (CAS: 898561-66-5)?

The market and research trends for 6-[(2,2-Dimethylpropanoyl)amino]nicotinic aci...

898561-66-56-[(2,2-Dimethylprop...
Compound Q&A

How should 1,10-Phenanthroline-2,9-dicarbaldehyde (CAS: 57709-62-3) be stored?

1,10-Phenanthroline-2,9-dicarbaldehyde should be stored in a cool, dry place awa...

57709-62-31,10-Phenanthroline-...
Compound Q&A

How is 5-Carbamoyl-11-oxo-10,11-dihydro-5H-dibenzo[b,f]azepin-10-yl acetate (CAS: 113952-21-9) typically synthesized?

5-Carbamoyl-11-oxo-10,11-dihydro-5H-dibenzo[b,f]azepin-10-yl acetate can be synt...

113952-21-95-Carbamoyl-11-oxo-1...

Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

Recommended Compounds

Recommended Suppliers

Disclaimer
This page provides academic journal information for reference and research purposes only. We are not affiliated with any journal publishers and do not handle publication submissions. For publication-related inquiries, please contact the respective journal publishers directly.
If you notice any inaccuracies in the information displayed, please contact us at support@chemtradehub.com. We will promptly review and address your concerns.