Photoluminescence of Si nanoparticles synthesized using multi-hollow discharge plasma CVD

Yuki Kawashima; Kousuke Yamamoto; Muneharu Sato; Takeaki Matsunaga; Kenta Nakahara; Daisuke Yamashita; Hidefumi Matsuzaki; Giichiro Uchida; Kazunori Koga; Masaharu Shiratani; Michio Kondo

doi:10.1109/TENCON.2010.5686677

Photoluminescence of Si nanoparticles synthesized using multi-hollow discharge plasma CVD

Yuki Kawashima, Kousuke Yamamoto, Muneharu Sato, Takeaki Matsunaga, Kenta Nakahara, Daisuke Yamashita, Hidefumi Matsuzaki, Giichiro Uchida, Kazunori Koga, Masaharu Shiratani, Michio Kondo

Electronic Devices

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Citations (Scopus)

Abstract

We have measured photoluminescence spectra of crystalline and amorphous Si nanoparticles dispersed in methanol to demonstrate exciton generation under 244nm and 405nm laser light excitation. The photoluminescence spectra have broad peaks centered at 484-500nm, indicating exciton generation in crystalline and amorphous Si nanoparticles. In addition, the peaks corresponding to the recombination centers at their surface defects are observed at 324nm-380nm. This indicates the importance of termination of surface defects on nanoparticles for application to solar cells.

Original language	English
Title of host publication	TENCON 2010 - 2010 IEEE Region 10 Conference
Pages	2222-2224
Number of pages	3
DOIs	https://doi.org/10.1109/TENCON.2010.5686677
Publication status	Published - Dec 1 2010
Event	2010 IEEE Region 10 Conference, TENCON 2010 - Fukuoka, Japan Duration: Nov 21 2010 → Nov 24 2010

Publication series

Name	IEEE Region 10 Annual International Conference, Proceedings/TENCON

Other

Other	2010 IEEE Region 10 Conference, TENCON 2010
Country/Territory	Japan
City	Fukuoka
Period	11/21/10 → 11/24/10

All Science Journal Classification (ASJC) codes

Computer Science Applications
Electrical and Electronic Engineering

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10.1109/TENCON.2010.5686677

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Kawashima, Y., Yamamoto, K., Sato, M., Matsunaga, T., Nakahara, K., Yamashita, D., Matsuzaki, H., Uchida, G., Koga, K., Shiratani, M., & Kondo, M. (2010). Photoluminescence of Si nanoparticles synthesized using multi-hollow discharge plasma CVD. In TENCON 2010 - 2010 IEEE Region 10 Conference (pp. 2222-2224). [5686677] (IEEE Region 10 Annual International Conference, Proceedings/TENCON). https://doi.org/10.1109/TENCON.2010.5686677

Photoluminescence of Si nanoparticles synthesized using multi-hollow discharge plasma CVD. / Kawashima, Yuki; Yamamoto, Kousuke; Sato, Muneharu et al.

TENCON 2010 - 2010 IEEE Region 10 Conference. 2010. p. 2222-2224 5686677 (IEEE Region 10 Annual International Conference, Proceedings/TENCON).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kawashima, Y, Yamamoto, K, Sato, M, Matsunaga, T, Nakahara, K, Yamashita, D, Matsuzaki, H, Uchida, G, Koga, K , Shiratani, M & Kondo, M 2010, Photoluminescence of Si nanoparticles synthesized using multi-hollow discharge plasma CVD. in TENCON 2010 - 2010 IEEE Region 10 Conference., 5686677, IEEE Region 10 Annual International Conference, Proceedings/TENCON, pp. 2222-2224, 2010 IEEE Region 10 Conference, TENCON 2010, Fukuoka, Japan, 11/21/10. https://doi.org/10.1109/TENCON.2010.5686677

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abstract = "We have measured photoluminescence spectra of crystalline and amorphous Si nanoparticles dispersed in methanol to demonstrate exciton generation under 244nm and 405nm laser light excitation. The photoluminescence spectra have broad peaks centered at 484-500nm, indicating exciton generation in crystalline and amorphous Si nanoparticles. In addition, the peaks corresponding to the recombination centers at their surface defects are observed at 324nm-380nm. This indicates the importance of termination of surface defects on nanoparticles for application to solar cells.",

author = "Yuki Kawashima and Kousuke Yamamoto and Muneharu Sato and Takeaki Matsunaga and Kenta Nakahara and Daisuke Yamashita and Hidefumi Matsuzaki and Giichiro Uchida and Kazunori Koga and Masaharu Shiratani and Michio Kondo",

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AU - Kawashima, Yuki

AU - Yamamoto, Kousuke

AU - Sato, Muneharu

AU - Matsunaga, Takeaki

AU - Nakahara, Kenta

AU - Yamashita, Daisuke

AU - Matsuzaki, Hidefumi

AU - Uchida, Giichiro

AU - Koga, Kazunori

AU - Shiratani, Masaharu

AU - Kondo, Michio

PY - 2010/12/1

Y1 - 2010/12/1

N2 - We have measured photoluminescence spectra of crystalline and amorphous Si nanoparticles dispersed in methanol to demonstrate exciton generation under 244nm and 405nm laser light excitation. The photoluminescence spectra have broad peaks centered at 484-500nm, indicating exciton generation in crystalline and amorphous Si nanoparticles. In addition, the peaks corresponding to the recombination centers at their surface defects are observed at 324nm-380nm. This indicates the importance of termination of surface defects on nanoparticles for application to solar cells.

AB - We have measured photoluminescence spectra of crystalline and amorphous Si nanoparticles dispersed in methanol to demonstrate exciton generation under 244nm and 405nm laser light excitation. The photoluminescence spectra have broad peaks centered at 484-500nm, indicating exciton generation in crystalline and amorphous Si nanoparticles. In addition, the peaks corresponding to the recombination centers at their surface defects are observed at 324nm-380nm. This indicates the importance of termination of surface defects on nanoparticles for application to solar cells.

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Photoluminescence of Si nanoparticles synthesized using multi-hollow discharge plasma CVD

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