JP6958814B2 - 調光材料、調光フィルム及び調光積層体 - Google Patents
調光材料、調光フィルム及び調光積層体 Download PDFInfo
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Description
(実施例1)
図2に示す反応スキームに従って、グラフェンライク炭素材料を合成した。まず、式8に記載のグラファイト7.50gを、濃硫酸(360ml)及び硝酸(120ml)の混合溶液中に加え、この溶液を3時間、超音波処理し、120℃で24時間、攪拌した。次いで、この混合物を、室温(20℃)まで冷却して、脱イオン水で希釈し、炭酸カリウムを使用して中和(pH5−6)した。次いで、0.2μmのポリテトラフルオロエチレン(PTFE)膜を使用して溶液を濾過した。その後、数日間、透析バッグ(2000ダルトン)を用いて透析を行うことにより、式9に示すグラフェンライク炭素材料を得た(収量は、3.78g)。
実施例1において、3,4,5−トリ(ヘキサデシルオキシ)ベンジルアジドの代わりに、3,5−ビス(3,5−ビス(3,5−ビス(ベンジルオキシ)ベンジルオキシ)ベンジルオキシ)ベンジルアジドを用いたこと以外は、実施例1と同様にしてグラフェンライク炭素材料を得た。
実施例1の式1に示すグラフェンライク炭素材料の代わりに式7に示すグラフェンライク炭素材料(アスペクト比:3.5、面方向寸法:1.5nm)を用いたこと以外は、実施例1と同様の方法により、調光積層体を作製した。なお、式7に示すグラフェンライク炭素材料は、実施例1の式1に示すグラフェンライク炭素材料の合成の途中で得られたものを用いた。
まず、酸化グラフェンを、文献(J.J.Zhu, P.M.Ajayan, et al., Nano Lett., 2012, 12, 844−849)に記載されている方法を用いて、調製した。
このようにして得た式13に示すグラフェンライク炭素材料(アスペクト比:5、面方向寸法:15nm)を用いたこと以外は、実施例1と同様の方法により、調光積層体を作製した。
まず、酸化グラフェンを、文献(J.J.Zhu, P.M.Ajayan, et al., Nano Lett., 2012, 12, 844−849)に記載されている方法を用いて、調製した。
実施例6においても、実施例5と同様の方法で酸化グラフェンを調製した。
100mg酸化グラフェン(NiSiNa Materials、Exfoliated GO)を70mlのN,N−ジメチルホルムアミド(DMF)に超音波による分散した。さらにポリテトラフルオロエチレン内筒付のオートクレーブ容器にて200℃24時間処理することにより、アスペクト比が340であり、面方向寸法が115nmであるグラフェンライク炭素材料を得た。その他の点は、実施例1と同様の方法により、調光積層体を作製した。
3,4,9,10−ペリレンテトラカルボン酸ジイミド(東京化成)0.005gを10mlのデカヒドロナフタレンに溶解し、その溶液をITOガラスにスピーンコートにより成膜し、150℃で1時間加熱した。この膜をAFMで測定したところ、アスペクト比が2であり、面方向寸法が0.7であるグラフェンライク炭素材料であることを確認した。
調光積層体に3Vの直流電圧を印加し、光線透過率の変化を評価した。光線透過率の変化は、JASCO社製の分光装置(型番:V−670)により測定した。また、目視にて、変色の有無を確認した。
実施例1において、電圧印加後に可視光領域の全域及び赤外領域にわたり、光線透過率が低下した。特に、500nm付近においては、光線透過率が電圧印加前の80%から電圧印加後の55%と、大きく変化した。実施例1においてこの透過率差は25%であった。
2A,2B…第1,第2の支持体
3A,3B…第1,第2の導電膜
4A,4B…第1,第2の導電膜付き基板
5…調光フィルム
6…電解質層
7…支持部材
Claims (9)
- 前記グラフェンライク炭素材料の面方向寸法が1nm以上、100nm以下である、請求項1に記載の調光材料。
- 前記有機官能基による修飾率が5%以上である、請求項1〜4のいずれか1項に記載の調光材料。
- 請求項1〜5のいずれか1項に記載の調光材料を含む、調光フィルム。
- 第1の支持体と、
前記第1の支持体上に設けられている、第1の導電膜と、
前記第1の導電膜上に設けられている、請求項6に記載の調光フィルムと、
前記調光フィルム上に設けられている第2の導電膜と、
前記第2の導電膜上に設けられている第2の支持体とを備える、調光積層体。 - 前記調光フィルムと前記第2の導電膜との間に、電解質層が設けられている、請求項7に記載の調光積層体。
- 前記第1,第2の支持体がガラス基板である、請求項7または8に記載の調光積層体。
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JP2016144052 | 2016-07-22 | ||
JP2016144052 | 2016-07-22 | ||
PCT/JP2017/026425 WO2018016616A1 (ja) | 2016-07-22 | 2017-07-21 | 調光材料、調光フィルム及び調光積層体 |
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JP6958814B2 true JP6958814B2 (ja) | 2021-11-02 |
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US (1) | US11479716B2 (ja) |
EP (1) | EP3489322B1 (ja) |
JP (1) | JP6958814B2 (ja) |
KR (1) | KR20190031423A (ja) |
CN (1) | CN109072066B (ja) |
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JPWO2019017314A1 (ja) * | 2017-07-21 | 2020-06-25 | 積水化学工業株式会社 | 多環芳香族炭化水素誘導体、蛍光材料、りん光材料、及び調光材料 |
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JP2012224526A (ja) | 2011-04-21 | 2012-11-15 | Hiroshima Univ | グラフェンの製造方法 |
JP5856423B2 (ja) | 2011-09-30 | 2016-02-09 | 株式会社東芝 | 導電材料およびこれを用いた電気素子 |
WO2013172316A1 (ja) | 2012-05-14 | 2013-11-21 | 積水化学工業株式会社 | 改質グラフェンライク炭素材料の製造方法、改質グラフェンライク炭素材料、及び改質グラフェンライク炭素材料を含む樹脂複合材料 |
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JP6366479B2 (ja) * | 2013-12-20 | 2018-08-01 | 国立大学法人広島大学 | グラフェン構造体 |
KR101534313B1 (ko) * | 2014-08-04 | 2015-07-06 | 성균관대학교산학협력단 | 탄소계 물질 및 비올로겐계 화합물을 포함하는 전기변색소자, 및 이의 제조 방법 |
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2017
- 2017-07-21 KR KR1020187017444A patent/KR20190031423A/ko unknown
- 2017-07-21 WO PCT/JP2017/026425 patent/WO2018016616A1/ja unknown
- 2017-07-21 EP EP17831132.0A patent/EP3489322B1/en active Active
- 2017-07-21 CN CN201780027764.1A patent/CN109072066B/zh active Active
- 2017-07-21 US US16/316,336 patent/US11479716B2/en active Active
- 2017-07-21 TW TW106124500A patent/TW201821589A/zh unknown
- 2017-07-21 JP JP2017541410A patent/JP6958814B2/ja active Active
Cited By (2)
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JPWO2019017314A1 (ja) * | 2017-07-21 | 2020-06-25 | 積水化学工業株式会社 | 多環芳香族炭化水素誘導体、蛍光材料、りん光材料、及び調光材料 |
JP7064196B2 (ja) | 2017-07-21 | 2022-05-10 | 積水化学工業株式会社 | グラフェン又は酸化グラフェンの誘導体、蛍光材料、りん光材料、及び調光材料 |
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US20190292444A1 (en) | 2019-09-26 |
EP3489322A4 (en) | 2020-01-29 |
US11479716B2 (en) | 2022-10-25 |
JPWO2018016616A1 (ja) | 2019-05-16 |
TW201821589A (zh) | 2018-06-16 |
EP3489322B1 (en) | 2020-12-30 |
KR20190031423A (ko) | 2019-03-26 |
WO2018016616A1 (ja) | 2018-01-25 |
CN109072066A (zh) | 2018-12-21 |
CN109072066B (zh) | 2022-05-24 |
EP3489322A1 (en) | 2019-05-29 |
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