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Carbon nanotube networks as efficient transparent electrode for polymer/silicon hybrid solar cells
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Zexia Zhanga, Yi Jiab, Qian Lvc, d, Ruitao Lvc, e, *, Feiyu Kangc, f, **
Journal of Materiomics | 2026, 12(2) : 101152
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Journal of Materiomics | 2026, 12(2): 101152
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Carbon nanotube networks as efficient transparent electrode for polymer/silicon hybrid solar cells
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Zexia Zhanga, Yi Jiab, Qian Lvc, d, Ruitao Lvc, e, *, Feiyu Kangc, f, **
Affiliations
  • aXinjiang Key Laboratory for Luminescence Minerals and Optical Functional Materials, School of Physics and Electronic Engineering, Xinjiang Normal University, Urumqi, 830054, Xinjiang, China
  • bChina Academy of Aerospace Science and Innovation, Beijing, 100088, China
  • cState Key Laboratory of New Ceramics Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
  • dSchool of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore
  • eKey Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
  • fShenzhen Geim Graphene Center, Institute of Materials Research, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, Guangdong, China
Published: 2026-03-20 doi: 10.1016/j.jmat.2025.101152
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Polymer/Si hybrid solar cells have attracted much research interest in virtue of their simple device structure and combination of flexibility and stability. Metal grid by thermal evaporation is usually used as the top electrode, which gives rise to a tradeoff between the efficient coverage and the decreased light absorption, in addition to the costly metal deposition in high vacuum. Carbon nanotube (CNT) networks possess both good conductivity and high light transmittance, thus is a promising candidate for the top electrode. Although it is significant to prepare and apply large-area and high-quality CNT films with high transparency and low sheet resistances into kinds of solar cells, CNTs have not been studied as transparent electrodes in polymer/Si hybrid solar cells to the best of our knowledge. In this work, largearea and continuous CNT networks with 86% transmittance at 550 nm are synthesized and used as transparent window electrodes in the hybrid heterojunction solar cells composed of a conjugate polymer poly(3,4-ethylenedioxy-thiophene):poly(styrenesulfonate) (PEDOT:PSS) and micro-textured ntype crystalline silicon wafers. Directly laminating the pristine CNT film onto the PEDOT:PSS/Si surface can lead to a power conversion efficiency (PCE) of 3.9%. After purification of CNT networks, the performance is improved up to 7.0%, due to the efficient carrier transportation and light harvesting of CNT electrodes. The results indicate that the flexible and transparent CNT networks have great potential for realizing metal grid-free hybrid polymer/Si solar cells.

Carbon nanotubes  /  Transparent electrodes  /  Solar cells  /  Power conversion
Zexia Zhang, Yi Jia, Qian Lv, Ruitao Lv, Feiyu Kang. Carbon nanotube networks as efficient transparent electrode for polymer/silicon hybrid solar cells[J]. Journal of Materiomics, 2026 , 12 (2) : 101152 - . DOI: 10.1016/j.jmat.2025.101152
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Funding
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  • Natural Science Foundation of Xinjiang Uygur Autonomous Region(2022D01A220; 2024D01A93)
  • National Natural Science Foundation of China(62264014; 12164048; 12364035)
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Year 2026 volume 12 Issue 2
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27
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Article Info
doi: 10.1016/j.jmat.2025.101152
  • Receive Date：2025-08-28
  • Online Date：2026-08-13
  • Published：2026-03-20
Article Data
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History
  • Received：2025-08-28
  • Revised：2025-10-05
  • Accepted：2025-10-21
Funding
Natural Science Foundation of Xinjiang Uygur Autonomous Region(2022D01A220; 2024D01A93)
National Natural Science Foundation of China(62264014; 12164048; 12364035)
Affiliations
    aXinjiang Key Laboratory for Luminescence Minerals and Optical Functional Materials, School of Physics and Electronic Engineering, Xinjiang Normal University, Urumqi, 830054, Xinjiang, China
    bChina Academy of Aerospace Science and Innovation, Beijing, 100088, China
    cState Key Laboratory of New Ceramics Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
    dSchool of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore
    eKey Laboratory of Advanced Materials (MOE), School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China
    fShenzhen Geim Graphene Center, Institute of Materials Research, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, Guangdong, China

Corresponding:

* State Key Laboratory of New Ceramics Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China. E-mail addresses: (R. Lv)
** State Key Laboratory of New Ceramics Materials, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China. (F. Kang).
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表12种不同金属材料的力学参数
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小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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