In situultra-small-angle X-ray scattering study of the solution-mediated formation and growth of nanocrystalline ceria

2008 ◽  
Vol 41 (5) ◽  
pp. 918-929 ◽  
Author(s):  
Andrew J. Allen ◽  
Vincent A. Hackley ◽  
Pete R. Jemian ◽  
Jan Ilavsky ◽  
Joan M. Raitano ◽  
...  
Keyword(s):  
Fluid Flow ◽  
Real Time ◽  
Small Angle ◽  
Flow Cell ◽  
Bulk Solution ◽  
X Ray ◽  
X Ray Scattering ◽  
Nanocrystalline Ceria ◽  
Ray Scattering

Results are presented for anin situsynchrotron-based ultra-small-angle X-ray scattering (USAXS) study of the solution-mediated formation and growth of nanocrystalline ceria (n-CeO2) using a new remote-controlled, isothermal, circulating fluid flow cell. The fluid flow mitigates or reduces X-ray beam-induced damage, air bubbles or particulate flocculation within the bulk solution, but prevents any coarse particulates that do form from settling out from suspension. Combined with the large-scale range accessible in USAXS studies, the flow cell has enabled measurement,in situand in real time, of structural characteristics from 10 Å to a few micrometres in size as a function of the changing physical and chemical conditions. By applying a multi-component model, the nanoparticle formation and growth component has been identified. Control and online monitoring of flow rate, temperature and pH suspension conditions have permitted real-time studies of the formation and growth of the individual n-CeO2particles from homogeneous dilute solution over several hours. Aspects of the nanoparticle nucleation and growth are revealed that have not been observed directly in measurements on this system.

scholarly journals Monitoring Nanocrystal Self‐Assembly in Real Time Using In Situ Small‐Angle X‐Ray Scattering

Small ◽  
2019 ◽  
Vol 15 (20) ◽  
pp. 1900438 ◽  
Author(s):  
Irina Lokteva ◽  
Michael Koof ◽  
Michael Walther ◽  
Gerhard Grübel ◽  
Felix Lehmkühler
Keyword(s):  
Real Time ◽  
Small Angle ◽  
Self Assembly ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering

scholarly journals Towards Real-Time Ion-Specific Structural Sensitivity in Nanoporous Carbon Electrodes Using In Situ Anomalous Small-Angle X-ray Scattering

2019 ◽  
Vol 11 (45) ◽  
pp. 42214-42220 ◽  
Author(s):  
Christian Koczwara ◽  
Christian Prehal ◽  
Sylvio Haas ◽  
Peter Boesecke ◽  
Nicola Huesing ◽  
...  
Keyword(s):  
Real Time ◽  
Small Angle ◽  
Nanoporous Carbon ◽  
Carbon Electrodes ◽  
Structural Sensitivity ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering

scholarly journals Diffusion and nucleation in multilayer growth of PTCDI-C8 studied with in situ X-ray growth oscillations and real-time small angle X-ray scattering

2017 ◽  
Vol 146 (5) ◽  
pp. 052803 ◽  
Author(s):  
Anton Zykov ◽  
Sebastian Bommel ◽  
Christopher Wolf ◽  
Linus Pithan ◽  
Christopher Weber ◽  
...  
Keyword(s):  
Real Time ◽  
Small Angle ◽  
X Ray ◽  
X Ray Scattering ◽  
Ray Scattering

scholarly journals In Situ Monitoring of Nanoparticle Formation during Iridium‐Catalysed Oxygen Evolution by Real‐Time Small Angle X‐Ray Scattering

ChemCatChem ◽  
2019 ◽  
Vol 11 (21) ◽  
pp. 5313-5321
Author(s):  
Maya Singer Hobbs ◽  
Emma V. Sackville ◽  
Andrew J. Smith ◽  
Karen J. Edler ◽  
Ulrich Hintermair
Keyword(s):  
Real Time ◽  
Oxygen Evolution ◽  
Small Angle ◽  
In Situ Monitoring ◽  
X Ray ◽  
Nanoparticle Formation ◽  
X Ray Scattering ◽  
Ray Scattering

In situ formation of electronically coupled superlattices of Cu1.1S nanodiscs at the liquid/air interface

2019 ◽  
Vol 55 (33) ◽  
pp. 4805-4808
Author(s):  
Sonam Maiti ◽  
Santanu Maiti ◽  
Andre Maier ◽  
Rupak Banerjee ◽  
Chen Shen ◽  
...  
Keyword(s):  
Real Time ◽  
Small Angle ◽  
Grazing Incidence ◽  
Cross Linking ◽  
X Ray ◽  
X Ray Scattering ◽  
Air Interface ◽  
In Situ Formation ◽  
Ray Scattering

We report on the in situ monitoring of the formation of conductive superlattices of Cu1.1S nanodiscs via cross-linking with semiconducting cobalt 4,4′,4′′,4′′′-tetraaminophthalocyanine (CoTAPc) molecules at the liquid/air interface by real-time grazing incidence small angle X-ray scattering (GISAXS).

A Revised O2 Reduction Model in Li-O2 Batteries as Revealed by in Situ Small Angle X-Ray Scattering

2019 ◽  
Author(s):  
Christian Prehal ◽  
Aleksej Samojlov ◽  
Manfred Nachtnebel ◽  
Manfred Kriechbaum ◽  
Heinz Amenitsch ◽  
...  
Keyword(s):  
Small Angle ◽  
Wide Angle ◽  
Reduction Mechanism ◽  
Reduction Model ◽  
X Ray ◽  
X Ray Scattering ◽  
O2 Reduction ◽  
Ray Scattering

<b>Here we use in situ small and wide angle X-ray scattering to elucidate unexpected mechanistic insights of the O2 reduction mechanism in Li-O2 batteries.<br></b>

In situ Time-Resolved Small-Angle X-ray Scattering Reveals the Formation Kinetics of Polyelectrolyte Complex Micelles

2019 ◽  
Author(s):  
Hao Wu ◽  
Jeffrey Ting ◽  
Siqi Meng ◽  
Matthew Tirrell
Keyword(s):  
Small Angle ◽  
Self Assembly ◽  
Electrostatic Interactions ◽  
Polyelectrolyte Complex ◽  
Time Resolved ◽  
X Ray ◽  
X Ray Scattering ◽  
Kinetics Of ◽  
Ray Scattering

We have directly observed the <i>in situ</i> self-assembly kinetics of polyelectrolyte complex (PEC) micelles by synchrotron time-resolved small-angle X-ray scattering, equipped with a stopped-flow device that provides millisecond temporal resolution. This work has elucidated one general kinetic pathway for the process of PEC micelle formation, which provides useful physical insights for increasing our fundamental understanding of complexation and self-assembly dynamics driven by electrostatic interactions that occur on ultrafast timescales.

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