TY - GEN
T1 - Nucleation and shape of 2D islands of DPh-DNTT thin-films prepared by vacuum evaporation
AU - Hattori, Yoshiaki
AU - Kimura, Yoshinari
AU - Kitamura, Masatoshi
N1 - Funding Information:
This work was partly supported by a Leading Initiative for Excellent Young Researchers program from the MEXT in Japan. The authors would like to thank Nippon Kayaku Co., Ltd. for supplying us DPh-DNTT.
Funding Information:
It is possible that the substituents in the DNTT derivatives affect the interactions of substrate-molecule and molecule-molecule in Ds or Ddge. The research on many kinds of substituents might help to control and predict the growth behavior for applications. Acknowledgements This work was partly supported by a Leading Initiative for Excellent Young Researchers program from the MEXT in Japan. The authors would like to thank Nippon Kayaku Co., Ltd. for supplying us DPh-DNTT. References [1] M. J. Kang, et al., ACS Appl. Mater. Interfaces, 5, 2331 (2013). [2] Kitani et. al. JJAP, 55, 03DC03 (2016) [3] Y. Hattori, et al., SSDM, K-5-05 (2018). [4] M.C. Bartelt and J. W. Evans, PRB, 46(19), 12675 (1992). [5] G. S. Bales and D. C. Chrzan, PRL, 74(24), 4879 (1995).
Publisher Copyright:
© 2019 IEEE.
PY - 2019/5
Y1 - 2019/5
N2 - The growth mechanism of 2,9-diphenyl-dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene (DPh-DNTT) thin-films prepared by vacuum evaporation was investigated from a view point of the morphological crystallinity. In addition to atomic force microscopy, which is commonly used for imaging the morphology of surfaces, optical microscopy was positively used for the same purpose. The method allows quick and easy evaluation of the thin-film. In fact, an isolated, round, monolayer 2D island on the SiO2 substrate in initial stage and fractal-shape 2D islands on top surface of thin-film were observed. The nucleation density which depends on substrate temperature and surface treatment was investigated to clarified the growth mechanism.
AB - The growth mechanism of 2,9-diphenyl-dinaphtho[2,3-b:2',3'-f]thieno[3,2-b]thiophene (DPh-DNTT) thin-films prepared by vacuum evaporation was investigated from a view point of the morphological crystallinity. In addition to atomic force microscopy, which is commonly used for imaging the morphology of surfaces, optical microscopy was positively used for the same purpose. The method allows quick and easy evaluation of the thin-film. In fact, an isolated, round, monolayer 2D island on the SiO2 substrate in initial stage and fractal-shape 2D islands on top surface of thin-film were observed. The nucleation density which depends on substrate temperature and surface treatment was investigated to clarified the growth mechanism.
KW - 2D islands
KW - DNTT
KW - OTFT
UR - http://www.scopus.com/inward/record.url?scp=85072973889&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85072973889&partnerID=8YFLogxK
U2 - 10.1109/ICIPRM.2019.8819052
DO - 10.1109/ICIPRM.2019.8819052
M3 - Conference contribution
AN - SCOPUS:85072973889
T3 - 2019 Compound Semiconductor Week, CSW 2019 - Proceedings
BT - 2019 Compound Semiconductor Week, CSW 2019 - Proceedings
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 2019 Compound Semiconductor Week, CSW 2019
Y2 - 19 May 2019 through 23 May 2019
ER -