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Paper Abstract and Keywords
Presentation 2014-02-27 16:35
Synthesis of various F- doped tin oxide nanostructures on the glass substrate by the atomized spray pyrolysis deposition for DSSC application
Gamini Rajapakse (Univ. of Peradeniya), Devinda Liyanage (Shizuoka Univ.), Viraj Jayaweera (SPD Lab. Inc.), Vikum Premalal, Madhu Mohan (Shizuoka Univ.), Navaratne Bandara (Univ. Peradeniya), Masaru Shimomura, Kenji Murakami (Shizuoka Univ.) ED2013-138 SDM2013-153 Link to ES Tech. Rep. Archives: ED2013-138 SDM2013-153
Abstract (in Japanese) (See Japanese page) 
(in English) This paper is concerned with the Spray Pyrolytic (SP) deposition of various nanoarchitectures of electronically-conducting, F--doped SnO2 (FTO) on soda lime glass surfaces, and a possible mechanism for the growth of different nanoarchitectures including crystallites of nanoparticles, nanotubes, nanorods (nanopencils) and extensively cross-linked nanopencils. The spray pyrolytic deposition is carried out using a novel and purpose-built technique, known as the Atomized Spray Pyrolysis (APS), in which the precursor solution is withdrawn, using a programmed repetitive pulses of 2 s on and 13 s off, over different desired time periods, to an atomizer chamber, using a pressurized gas flow, where the precursor solution is incident on a Teflon spherule, in order to separate agglomerated particles into individual ones, which are in tern directed towards the pyrolytic chamber, maintained at 500??C. At the initials phase of the deposition, the nucleation of the FTO takes place on the glass surface to result in usual crystalline nanograins of FTO formed on the glass surface. As the deposition time is increased, the nanograins change to a hexagonal shape with a somewhat decreased crystallinity. For further increase, the deposition takes place on more reactive edge atoms/ions to result in nanotubes of hexagonal cross-section. Another deposition gradually fills the interior of the hexagonal columns to assume a shape of a rod and the filling continues further from the walls of the hexagonal tubes to give the shape of a pencil. Deposition of a total period of 3 h results in vertically-aligned nanopencils with extensively cross-linked over layer of nanopencils on the vertically-aligned nanopencils. These nanostructured architectures formed are characterized using XRD, SEM and electronic conductivity measurements and the interesting results obtained are explained with a possible mechanism for the formation of different nanostructure-architectures by the same deposition method.
Keyword (in Japanese) (See Japanese page) 
(in English) FTO / nanograins / hexagonal nanotubes / nano-pencils / atomized spray pyrolysis / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 450, SDM2013-153, pp. 37-42, Feb. 2014.
Paper # SDM2013-153 
Date of Issue 2014-02-20 (ED, SDM) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF ED2013-138 SDM2013-153 Link to ES Tech. Rep. Archives: ED2013-138 SDM2013-153

Conference Information
Committee ED SDM  
Conference Date 2014-02-27 - 2014-02-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. Centennial Hall 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Functional nanodevices and related technologies 
Paper Information
Registration To SDM 
Conference Code 2014-02-ED-SDM 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Synthesis of various F- doped tin oxide nanostructures on the glass substrate by the atomized spray pyrolysis deposition for DSSC application 
Sub Title (in English)  
Keyword(1) FTO  
Keyword(2) nanograins  
Keyword(3) hexagonal nanotubes  
Keyword(4) nano-pencils  
Keyword(5) atomized spray pyrolysis  
1st Author's Name Gamini Rajapakse  
1st Author's Affiliation University of Peradeniya (Univ. of Peradeniya)
2nd Author's Name Devinda Liyanage  
2nd Author's Affiliation Shizuoka University (Shizuoka Univ.)
3rd Author's Name Viraj Jayaweera  
3rd Author's Affiliation SPD Laboratory Incorporation (SPD Lab. Inc.)
4th Author's Name Vikum Premalal  
4th Author's Affiliation Shizuoka University (Shizuoka Univ.)
5th Author's Name Madhu Mohan  
5th Author's Affiliation Shizuoka University (Shizuoka Univ.)
6th Author's Name Navaratne Bandara  
6th Author's Affiliation University of Peradeniya (Univ. Peradeniya)
7th Author's Name Masaru Shimomura  
7th Author's Affiliation Shizuoka University (Shizuoka Univ.)
8th Author's Name Kenji Murakami  
8th Author's Affiliation Shizuoka University (Shizuoka Univ.)
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Speaker Author-5 
Date Time 2014-02-27 16:35:00 
Presentation Time 25 minutes 
Registration for SDM 
Paper # ED2013-138, SDM2013-153 
Volume (vol) vol.113 
Number (no) no.449(ED), no.450(SDM) 
Page pp.37-42 
Date of Issue 2014-02-20 (ED, SDM) 

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