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SUMMARY:<i>In Situ</i> PXRD Studies of the Solvothermal Syntheses of WO<su
 b>3</sub>-Ethylenediamine Hybrid Nanowires and Bi<sub>2</sub>Se<sub>x</sub
 >Te<sub>3-x</sub> Nanoplatelets
DTSTART;VALUE=DATE-TIME:20141121T031500Z
DTEND;VALUE=DATE-TIME:20141121T033500Z
DTSTAMP;VALUE=DATE-TIME:20260614T164840Z
UID:indico-contribution-645@events01.synchrotron.org.au
DESCRIPTION:Speakers: Fang Xia (CSIRO)\nSolvothermal syntheses are very ve
 rsatile for fabricating nanostructured materials. While the majority of st
 udies focus on materials syntheses\, little attention has been paid to und
 erstanding the synthesis mechanisms\, which are of vital importance to the
  rational design of synthesis for preparing optimized materials. In this c
 ontext\, in situ powder X-ray diffraction (PXRD) is ideal to study solvoth
 ermal materials syntheses as it is capable of providing direct reaction in
 formation under the harsh autoclave synthesis conditions. In this presenta
 tion\, I will show the application of in situ PXRD in solving the mechanis
 ms of the solvothermal synthesis of (1) WO3-ethylenediamine inorganic-orga
 nic hybrid nanowires\, and (2) Bi2SexTe3-x nanoplatelets. The WO3-ethylene
 diamine nanowires showed excellent performance in catalysis and water trea
 tment and Bi2SexTe3-x nanoplatelets are topological insulators that have p
 otential applications in the electronic and optoelectronics areas. In the 
 in situ PXRD experiments\, solvothermal syntheses were conducted in quartz
  glass microreactors that were placed at the beam centre of the Australian
  Synchrotron powder diffraction beamline\, and the time resolved PXRD patt
 erns were recorded to follow the phase evolution during the synthesis. For
  both materials\, in situ PXRD discovered intermediate phases that played 
 an important role in controlling the formation of the final nanostructured
  materials.\n\nhttps://events01.synchrotron.org.au/event/3/contributions/6
 45/
LOCATION: Oliphant Auditorium
URL:https://events01.synchrotron.org.au/event/3/contributions/645/
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