Ultraviolet-Assisted Modified Delignified Wood with High Transparency
The substrate of solar cells with high haze, transparent, flexible, green and low coatings will be needed in the future. This paper reports a method for ultraviolet-assisted delignification of wood in an alkaline solution environment to improve the transmittance of “transparent wood”. Scanning elect...
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| Format: | Article |
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MDPI AG
2022-07-01
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| Series: | Applied Sciences |
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| Online Access: | https://www.mdpi.com/2076-3417/12/15/7406 |
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| author | Xiaoli Chen Shangjie Ge-Zhang Yu Han Hong Yang Wenao Ou-Yang Haotong Zhu Junyi Hao Jinxin Wang |
| author_facet | Xiaoli Chen Shangjie Ge-Zhang Yu Han Hong Yang Wenao Ou-Yang Haotong Zhu Junyi Hao Jinxin Wang |
| author_sort | Xiaoli Chen |
| collection | DOAJ |
| description | The substrate of solar cells with high haze, transparent, flexible, green and low coatings will be needed in the future. This paper reports a method for ultraviolet-assisted delignification of wood in an alkaline solution environment to improve the transmittance of “transparent wood”. Scanning electron microscope (SEM), X-ray diffraction image (XRD), Fourier transform infrared (FTIR) spectroscopy and transmittance-haze and chemical composition analysis were used to explore the mechanisms underlying the effect of ultraviolet-assisted lignin modification on the optical properties of “transparent wood”. The results show that UV-assisted delignification accelerates the rate of removal of lignin and chromogenic groups, which in turn improves the optical properties of the “transparent wood”, with UV-assisted lignin modification for 2 h increasing the light transmission of the “transparent wood” by 20%. UV-assisted delignification for 4 h and impregnation resulted in “transparent wood” with a transparency of 71% and a haze of 90%. This report provides a rapid and easy method to prepare high-quality “transparent wood”. The “transparent wood” with high transmittance and high haze is a potential candidate for transparent solar substrates. Meanwhile, this method is enlightening for high quality, fast and green preparation of other derived functional materials based on lignin wood. |
| first_indexed | 2024-03-09T05:38:25Z |
| format | Article |
| id | doaj.art-e1858a26f733437a90e9607a02bf12f0 |
| institution | Directory Open Access Journal |
| issn | 2076-3417 |
| language | English |
| last_indexed | 2024-03-09T05:38:25Z |
| publishDate | 2022-07-01 |
| publisher | MDPI AG |
| record_format | Article |
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| spelling | doaj.art-e1858a26f733437a90e9607a02bf12f02023-12-03T12:26:59ZengMDPI AGApplied Sciences2076-34172022-07-011215740610.3390/app12157406Ultraviolet-Assisted Modified Delignified Wood with High TransparencyXiaoli Chen0Shangjie Ge-Zhang1Yu Han2Hong Yang3Wenao Ou-Yang4Haotong Zhu5Junyi Hao6Jinxin Wang7Department of Physics, College of Science, Northeast Forestry University, Harbin 150040, ChinaDepartment of Physics, College of Science, Northeast Forestry University, Harbin 150040, ChinaDepartment of Physics, College of Science, Northeast Forestry University, Harbin 150040, ChinaDepartment of Physics, College of Science, Northeast Forestry University, Harbin 150040, ChinaDepartment of Physics, College of Science, Northeast Forestry University, Harbin 150040, ChinaDepartment of Physics, College of Science, Northeast Forestry University, Harbin 150040, ChinaDepartment of Physics, College of Science, Northeast Forestry University, Harbin 150040, ChinaDepartment of Physics, College of Science, Northeast Forestry University, Harbin 150040, ChinaThe substrate of solar cells with high haze, transparent, flexible, green and low coatings will be needed in the future. This paper reports a method for ultraviolet-assisted delignification of wood in an alkaline solution environment to improve the transmittance of “transparent wood”. Scanning electron microscope (SEM), X-ray diffraction image (XRD), Fourier transform infrared (FTIR) spectroscopy and transmittance-haze and chemical composition analysis were used to explore the mechanisms underlying the effect of ultraviolet-assisted lignin modification on the optical properties of “transparent wood”. The results show that UV-assisted delignification accelerates the rate of removal of lignin and chromogenic groups, which in turn improves the optical properties of the “transparent wood”, with UV-assisted lignin modification for 2 h increasing the light transmission of the “transparent wood” by 20%. UV-assisted delignification for 4 h and impregnation resulted in “transparent wood” with a transparency of 71% and a haze of 90%. This report provides a rapid and easy method to prepare high-quality “transparent wood”. The “transparent wood” with high transmittance and high haze is a potential candidate for transparent solar substrates. Meanwhile, this method is enlightening for high quality, fast and green preparation of other derived functional materials based on lignin wood.https://www.mdpi.com/2076-3417/12/15/7406woodultraviolet raysdelignificationtransmittance |
| spellingShingle | Xiaoli Chen Shangjie Ge-Zhang Yu Han Hong Yang Wenao Ou-Yang Haotong Zhu Junyi Hao Jinxin Wang Ultraviolet-Assisted Modified Delignified Wood with High Transparency Applied Sciences wood ultraviolet rays delignification transmittance |
| title | Ultraviolet-Assisted Modified Delignified Wood with High Transparency |
| title_full | Ultraviolet-Assisted Modified Delignified Wood with High Transparency |
| title_fullStr | Ultraviolet-Assisted Modified Delignified Wood with High Transparency |
| title_full_unstemmed | Ultraviolet-Assisted Modified Delignified Wood with High Transparency |
| title_short | Ultraviolet-Assisted Modified Delignified Wood with High Transparency |
| title_sort | ultraviolet assisted modified delignified wood with high transparency |
| topic | wood ultraviolet rays delignification transmittance |
| url | https://www.mdpi.com/2076-3417/12/15/7406 |
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