High-performance solution-based silicon heterojunction solar cells using carbon nanotube with polymeric acid doping

Rongbin Xie; Hisashi Sugime; Suguru Noda

doi:10.1016/j.carbon.2020.12.056

High-performance solution-based silicon heterojunction solar cells using carbon nanotube with polymeric acid doping

Rongbin Xie, Hisashi Sugime, Suguru Noda^*

^*Corresponding author for this work

School of Advanced Science and Engineering

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

Carbon nanotube (CNT)/n-Si heterojunction solar cells were fabricated based on solution processes. CNT film with high transparency of 90% and low sheet resistance of ∼115 Ω/sq was fabricated from commercially available CNT powder via dispersion-filtration process using poly(p-styrene-sulfonic acid) (PSS) as both dispersant and dopant. Heterojunction was then fabricated by attaching the CNT-PSS film onto an n-Si wafer. The CNT/n-Si solar cell showed an enhanced efficiency of 11.7% with the PSS-doping compared with the device without doping (7.7%). The device showed further improvements in efficiency to 14.1% with an antireflective coating layer of sulfonated polytetrafluoroethylene (Nafion) and stability to 1000 h in ambient air without additional protection. The solution-based strategies using polymeric acids for efficiency and stability enhancement will open new avenues for the low-cost CNT/Si heterojunction solar cells.

Original language	English
Pages (from-to)	519-524
Number of pages	6
Journal	Carbon
Volume	175
DOIs	https://doi.org/10.1016/j.carbon.2020.12.056
Publication status	Published - 2021 Apr 30

Keywords

Carbon nanotube
Heterojunction
Poly(p-styrene-sulfonic acid)
Silicon
Solar cell
Solution process

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)

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10.1016/j.carbon.2020.12.056

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title = "High-performance solution-based silicon heterojunction solar cells using carbon nanotube with polymeric acid doping",

abstract = "Carbon nanotube (CNT)/n-Si heterojunction solar cells were fabricated based on solution processes. CNT film with high transparency of 90% and low sheet resistance of ∼115 Ω/sq was fabricated from commercially available CNT powder via dispersion-filtration process using poly(p-styrene-sulfonic acid) (PSS) as both dispersant and dopant. Heterojunction was then fabricated by attaching the CNT-PSS film onto an n-Si wafer. The CNT/n-Si solar cell showed an enhanced efficiency of 11.7% with the PSS-doping compared with the device without doping (7.7%). The device showed further improvements in efficiency to 14.1% with an antireflective coating layer of sulfonated polytetrafluoroethylene (Nafion) and stability to 1000 h in ambient air without additional protection. The solution-based strategies using polymeric acids for efficiency and stability enhancement will open new avenues for the low-cost CNT/Si heterojunction solar cells.",

keywords = "Carbon nanotube, Heterojunction, Poly(p-styrene-sulfonic acid), Silicon, Solar cell, Solution process",

author = "Rongbin Xie and Hisashi Sugime and Suguru Noda",

note = "Funding Information: The authors thank Prof. Nishide, Prof. Oyaizu, and Mr. Okada at Waseda University for their support in the EQE measurement, Mr. Gotoh at Materials Characterization Central Laboratory, Waseda University for UPS measurements, Mr. Mino at Kagami Memorial Research Institute for Materials Science and Technology, Waseda University for UV–Vis reflectance measurement. This work is supported in part by JSPS Kakenhi [grant number JP25107002 ] and Waseda University Grants for Special Research Projects [Grant B 2018B-173 ]. Rongbin Xie is grateful for the financial support from the State Scholarship Fund by the China Scholarship Council . Publisher Copyright: {\textcopyright} 2020 Elsevier Ltd",

year = "2021",

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doi = "10.1016/j.carbon.2020.12.056",

language = "English",

volume = "175",

pages = "519--524",

journal = "Carbon",

issn = "0008-6223",

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TY - JOUR

T1 - High-performance solution-based silicon heterojunction solar cells using carbon nanotube with polymeric acid doping

AU - Xie, Rongbin

AU - Sugime, Hisashi

AU - Noda, Suguru

N1 - Funding Information: The authors thank Prof. Nishide, Prof. Oyaizu, and Mr. Okada at Waseda University for their support in the EQE measurement, Mr. Gotoh at Materials Characterization Central Laboratory, Waseda University for UPS measurements, Mr. Mino at Kagami Memorial Research Institute for Materials Science and Technology, Waseda University for UV–Vis reflectance measurement. This work is supported in part by JSPS Kakenhi [grant number JP25107002 ] and Waseda University Grants for Special Research Projects [Grant B 2018B-173 ]. Rongbin Xie is grateful for the financial support from the State Scholarship Fund by the China Scholarship Council . Publisher Copyright: © 2020 Elsevier Ltd

PY - 2021/4/30

Y1 - 2021/4/30

N2 - Carbon nanotube (CNT)/n-Si heterojunction solar cells were fabricated based on solution processes. CNT film with high transparency of 90% and low sheet resistance of ∼115 Ω/sq was fabricated from commercially available CNT powder via dispersion-filtration process using poly(p-styrene-sulfonic acid) (PSS) as both dispersant and dopant. Heterojunction was then fabricated by attaching the CNT-PSS film onto an n-Si wafer. The CNT/n-Si solar cell showed an enhanced efficiency of 11.7% with the PSS-doping compared with the device without doping (7.7%). The device showed further improvements in efficiency to 14.1% with an antireflective coating layer of sulfonated polytetrafluoroethylene (Nafion) and stability to 1000 h in ambient air without additional protection. The solution-based strategies using polymeric acids for efficiency and stability enhancement will open new avenues for the low-cost CNT/Si heterojunction solar cells.

AB - Carbon nanotube (CNT)/n-Si heterojunction solar cells were fabricated based on solution processes. CNT film with high transparency of 90% and low sheet resistance of ∼115 Ω/sq was fabricated from commercially available CNT powder via dispersion-filtration process using poly(p-styrene-sulfonic acid) (PSS) as both dispersant and dopant. Heterojunction was then fabricated by attaching the CNT-PSS film onto an n-Si wafer. The CNT/n-Si solar cell showed an enhanced efficiency of 11.7% with the PSS-doping compared with the device without doping (7.7%). The device showed further improvements in efficiency to 14.1% with an antireflective coating layer of sulfonated polytetrafluoroethylene (Nafion) and stability to 1000 h in ambient air without additional protection. The solution-based strategies using polymeric acids for efficiency and stability enhancement will open new avenues for the low-cost CNT/Si heterojunction solar cells.

KW - Carbon nanotube

KW - Heterojunction

KW - Poly(p-styrene-sulfonic acid)

KW - Silicon

KW - Solar cell

KW - Solution process

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High-performance solution-based silicon heterojunction solar cells using carbon nanotube with polymeric acid doping

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