scholarly journals Using design of experiment to obtain a systematic understanding of the effect of synthesis parameters on the properties of perovskite nanocrystals

2021 ◽  
Vol 6 (4) ◽  
pp. 709-719
Author(s):  
Robert W. Baker ◽  
Laura Forfar ◽  
Xinxing Liang ◽  
Petra J. Cameron

Design of experiments was used to systematically investigate the synthesis of MAPbI3 nanoparticles in a flow reactor. By controlling the solvents and the ligands, we were able to tune the MAPbI3 photoluminescence peak between 614 and 737 nm.

2009 ◽  
Vol 64 (3) ◽  
pp. 303-314 ◽  
Author(s):  
Smaranda Iliescu ◽  
Ion Grozav ◽  
Simona Funar-Timofei ◽  
Nicoleta Plesu ◽  
Adriana Popa ◽  
...  

Author(s):  
Paola Cervantes-Covarrubias ◽  
Ayla Vea-Barragan ◽  
Aracely Serrano-Medina ◽  
Eugenia Gabriela Carrillo-Cedillo ◽  
José Manuel Cornejo-Bravo

Nanoparticles formed from lipids are currently applied successfully to deliver drugs. The particle size of the nanoparticle system is an essential characteristic to enhance the entrance of the drugs inside tissues and cells. Using design of experiment is appealing to find the specific conditions to optimize particle size of drug-loaded nanoparticles. Authors of this chapter applied a fractional factorial design of half fraction 24-1 with levels between continue factors, finding statistically significant differences for two factors such as concentrations of drugs and type of solvent where the organic phase is dissolved. This design shows the optimization of a formulation of capsaicin in solid lipid nanoparticles. The chapter also includes information on methods to prepare solid lipid nanoparticles (SLN), the variables involved, and a selection of studies about optimization of SLN formulations.


2019 ◽  
Vol 7 (30) ◽  
pp. 9167-9174 ◽  
Author(s):  
Chong Li ◽  
Baojun Ding ◽  
Lijing Zhang ◽  
Kepeng Song ◽  
Shengyang Tao

Continuous high yield production of perovskite nanocrystals using a 3D printed microreactor.


2021 ◽  
Vol 11 (1) ◽  
pp. 75-86
Author(s):  
Connor J. Taylor ◽  
Alastair Baker ◽  
Michael R. Chapman ◽  
William R. Reynolds ◽  
Katherine E. Jolley ◽  
...  

AbstractImplementing statistical training into undergraduate or postgraduate chemistry courses can provide high-impact learning experiences for students. However, the opportunity to reinforce this training with a combined laboratory practical can significantly enhance learning outcomes by providing a practical bolstering of the concepts. This paper outlines a flow chemistry laboratory practical for integrating design of experiments optimisation techniques into an organic chemistry laboratory session in which students construct a simple flow reactor and perform a structured series of experiments followed by computational processing and analysis of the results.


2005 ◽  
Vol 878 ◽  
Author(s):  
Helen Reveron ◽  
Cyril Aymonier ◽  
Anne Loppinet-Serani ◽  
Mario Maglione ◽  
Catherine Elissalde ◽  
...  

AbstractUsing a continuous-flow reactor, barium titanate (BaTiO3) nanoparticles have been successfully synthesized at temperatures ranging from 150 to 380°C and 16 MPa. Ba-Ti alkoxide solutions were used as precursors and water as reagent. The influence of synthesis parameters on the powder characteristics was investigated. Results showed that the purity, crystallinity and stoichiometry of the as-synthesized BaTiO3 powder depend mainly on the reactor temperature, quantity of water injected into the reactor and the Ba:Ti molar ratio of alkoxide solutions.


Author(s):  
Lasse Skovgaard Jensen ◽  
Daniel Vorting ◽  
Andreas Villadsen ◽  
Lasse Hylleberg Mølleskov ◽  
Ali Gürcan Özkil

This paper presents a study on how prototyping and ‘Design of Experiments’ principles can be applied in the early stages of product development. It is explored how four design parameters affect the perceived desirability of a physical alarm device, in development by a small start-up company. By utilizing recent advancements in the tools and platforms, available for the fabrication of prototypes, a range of physical prototypes are made. These prototypes are used to conduct 44 user tests and the results were used to establish a statistical model based on the Response Surface Methodology. The results of the model are outlined, highlighting the primary drivers of product desirability, as well as exemplifying the dynamics among the explored desirability parameters. The statistical model is tested through an experiment, which verifies the model’s ability to prescribe the perceived desirability for specific prototypes of the alarm device. The study hereby presents promising results for incorporating Design of Experiment principles in early stages of product development, and the authors encourage further studies to be conducted.


Catalysts ◽  
2020 ◽  
Vol 10 (5) ◽  
pp. 512 ◽  
Author(s):  
Annalisa Vacca ◽  
Laura Mais ◽  
Michele Mascia ◽  
Elisabetta Maria Usai ◽  
Simonetta Palmas

The Design of Experiment (DoE) technique has been used to investigate the photo-electrochemical removal of diuron (DRN) from wastewater. The process is carried out in a photo-electrochemical flow reactor, in which titania nanotubular electrode is irradiated with a simulated solar light. Different operative conditions have been investigated, in a planned 23 full factorial design in which imposed current density, flow rate and initial concentration have been varied at two levels. The removal process of DRN was investigated in terms of specific removal rate (K) and cell voltage (E), which were assumed as objective functions: the results show that the applied current has a paramount effect on both of the objective functions. From the analyses of the intermediates, it appears that the investigated parameters may exert different effects on the distribution of the reaction products: the initial concentration of diuron and the electrode potential seem to play a more important role, in this case.


2018 ◽  
Vol 3 (5) ◽  
pp. 640-644 ◽  
Author(s):  
Xinxing Liang ◽  
Robert W. Baker ◽  
Kejun Wu ◽  
Wentao Deng ◽  
Dominic Ferdani ◽  
...  

Perovskite nanocrystals prepared at room temperature using a simple flow reactor.


Author(s):  
Paola Cervantes-Covarrubias ◽  
Ayla Vea-Barragan ◽  
Aracely Serrano-Medina ◽  
Eugenia Gabriela Carrillo-Cedillo ◽  
José Manuel Cornejo-Bravo

Nanoparticles formed from lipids are currently applied successfully to deliver drugs. The particle size of the nanoparticle system is an essential characteristic to enhance the entrance of the drugs inside tissues and cells. Using design of experiment is appealing to find the specific conditions to optimize particle size of drug-loaded nanoparticles. Authors of this chapter applied a fractional factorial design of half fraction 24-1 with levels between continue factors, finding statistically significant differences for two factors such as concentrations of drugs and type of solvent where the organic phase is dissolved. This design shows the optimization of a formulation of capsaicin in solid lipid nanoparticles. The chapter also includes information on methods to prepare solid lipid nanoparticles (SLN), the variables involved, and a selection of studies about optimization of SLN formulations.


Author(s):  
Marco A. Miranda-Ackerman ◽  
Alejandra García-Lechuga

Design of Experiments as a subfield of statistics has its origins trying to understand systems and making decisions. In the context of food supply chains where agricultural and farm systems, packaging and processing plants, cold chains and food logistics, product design, warehousing, retailing, among many other steps and actors, come together to produce safe, healthy, nutritious, reliable, affordable, and sustainable food products. At each stage, many problems have to be solved and decisions have to be made from agricultural practices, scheduling, land use, costing, and pricing, at the farm and orchard level. A general outline is presented on the general workflow; illustrated through examples and a current review of some of the applications of design of experiments in the context of food production help provide some directives and guidelines. Global trends and challenges that influence both the food industry and the practice of design of experiments are discussed.


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