JP6008854B2 - ナノ技術的への応用のための、多糖ブロックを持つコポリマー系のナノ領域で組織化された膜 - Google Patents
ナノ技術的への応用のための、多糖ブロックを持つコポリマー系のナノ領域で組織化された膜 Download PDFInfo
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- JP6008854B2 JP6008854B2 JP2013522283A JP2013522283A JP6008854B2 JP 6008854 B2 JP6008854 B2 JP 6008854B2 JP 2013522283 A JP2013522283 A JP 2013522283A JP 2013522283 A JP2013522283 A JP 2013522283A JP 6008854 B2 JP6008854 B2 JP 6008854B2
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- polysaccharide
- bipyridine
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Description
−電子装置のために有用な材料を製造、特にメモリ、縦型トランジスタ、非シーケンシャルアクセスメモリ(RAM)、FET及びCMOSの技術によるトランジスタを製造すること、
−有機発光ダイオード(OLED)又は有機光電池(OPV)の部品の製造すること、又は
−化学、農業食品又は健康管理において使用され得る検出装置(ナノバイオセンサ、バイオチップ)を製造することである。
−疎水性ポリマーからなるブロック(A)、及び
−多糖からなるブロック(B)を含む。
Berlin、Heidelberg、New York.2005.)に記載されている。
−重合度18のポリスチレンポリマーからなるブロック(A)、及び
−重合度7のマルトヘプタオースからなるブロック(B)であって、前記マルトヘプタオースが4’、4−ビピリジンへ水素結合を介して結合されている、
を含むブロックコポリマー系の組織化ネットワークの層で被覆されている。
(α)前記ブロックコポリマーを含む溶液を基板上に堆積して材料(m)を得るステップ、
(β)前記ステップ(α)で得られた材料(m)を140から220℃に加熱するステップを含む。
−材料(MHOLE)を製造するための方法であり、前記方法は、(a)前記材料(M)の前記コポリマー層を処理して選択的に(A)又は(B)のいずれか1つを除去し、及び前記コポリマーの残部によりお互いから分離されたキャビティを形成し、及び
−前記材料(MHOLE)がこの方法で得られ得る。
−ブロック(B)を残してお互いから分離されたキャビティを形成するためにブロック(A)を選択的に除去して材料を(MHOLE(A))とするか、又は
−ブロック(A)を残してお互いから分離されたキャビティを形成するためにブロック(B)を選択的に除去するかのいずれかを行い、前記材料を(MHOLE(B))とする。
(b)ステップ(a)で前記材料(MHOLE)上に形成されたキャビティ内に金属又は半導体材料、を堆積するステップ、
(c)ステップ(b)で得られた材料を、プラズマ反応性エッチング、化学的又は酵素的又はUV処理することで、残留するコポリマーブロックを選択的に除去して、前記金属又は半導体材料からお互いに分離されたキャビティを形成するステップ、
(d)ステップ(c)で形成されたキャビティ内に例えば二酸化ケイ素などの絶縁材料を堆積するステップからなる。
−電子伝達層(ETL)、
−活性層、及び
−正孔伝達層(HTL)を含み、
これらは順にアノード上に蒸発させて堆積させる。この堆積方法は、本発明で開示される方法よりもOLEDのより大きな製造コストを含む。本発明によるOLEDの製造コスト削減は、組織化膜は、安価な技術である、ターンテーブルを用いて、又はスクリーン診察やインクジェット印刷により堆積させ得るという事実に基づく。さらに、OLED製造のための基本材料としてブロックコポリマーの薄膜の使用は、異なる伝達層(ETL及びHTL)を真空で蒸着させることを必要としない、というのは、前記ブロックコポリマーの前記多糖ブロックと他のブロックとの間の分離層が、エキシトンの開裂のための多くの境界として前記ナノ領域間の境界を生成するからである。前記膜で形成されたナノ領域は、エキシトンの拡散、通常は10nmよりも小さいサイズを持つ。これは、非常に効率的なエキシトンの開裂に現れる、というのはエキシトンが材料内のどこに置かれていても、その拡散長さ内により近くに開裂境界を見出すからである。
(a)ω−アジド−ポリスチレン(ブロック(A))
ω−アジド−ポリスチレンは、Fallaisらの「J.Polym Sci Part A.Polym.Chem.2000、38、1618」に記載された手順で、ω−ヒドロキシエチルポリスチレン(Polymer Source Inc.)(Mn=3、700g/mol;多分散度指数PI=1.08)の鎖から合成した。
マルトヘプタオース(10.0g、8.67mmol)の、プロパルギルアミン(11.9mL、174mmol)中の懸濁物を激しく室温で72時間撹拌した。前記反応は、薄膜クロマトグラフで追跡した(溶出液:n−ブタノール/エタノール/水:1/3/1、容積/容積/容積)。出発原料が完全に消失した後、反応媒体をメタノール(100mL)で希釈して、ジクロロメタン中(300mL)で沈殿させた。前記固体を濾過し、メタノール及びジクロロメタン混合物(メタノール/ジクロロメタン:1/3;容積/容積;300mL)で洗浄した。
ペンタメチルジエチレントリアミン(PMDETA)(2.24mL、1.07x10−4mol、2当量)をジメチルホルムアミド(20mL)中に溶解し、これを、アルゴン下に、前記ω−アジド−ポリスチレン(200mg、5.36x10−5mol、1当量)、N−マルトヘプタオシル−3−アセタミド−1−プロピン(198mg、1.61x10−4mol、3当量)及びCuBr触媒(15mg、1.07x10−4mol、2当量)内に添加した。反応物を40℃で72時間、赤外線スペクトルで前記アジド基のバンド(2100cm−1)が完全に消失するまで撹拌した。前記ポリスチレン−マルトヘプタオースコポリマーは、最終的にメタノール中で沈殿させ、過剰な試薬を除去し、60℃で真空中で乾燥させた。
実施例1の0.1重量%のポリスチレン−マルトヘプタオースジブロックコポリマーを含むテトラヒドロフラン溶液に、前記マルトヘプタオースブロックに存在するヒドロキシル基と当量の4、4’−ビピリジン(Sigma Aldrich)を添加した。この溶液を次に激しく1日室温で撹拌して、前記ヒドロシキシル基とビピリジン分子の間に水素結合を生成させた。
前記膜は4、4’−ビピリジンを含む実施例2のジブロックコポリマーから製造された。THF中のこのコポリマーの溶液(容積比率40%)を、シリコン基板上でスピンコーティングした(堆積パラメータ:v=3000rpm、a=1000rpm/秒、及びt=30秒)。新たに堆積された膜を、170℃で真空中一日アニールして、相分離させて、4、4’−ビピリジンと水素結合により結合したオリゴ糖からなるナノ領域であって心立法ネットワークに組織化させたナノ領域を形成させた。図2の原子間力顕微鏡画像での連続線に対応する断面からの相が図3に示される。それぞれのピークは、4、4’−ビピリジンに結合したオリゴ糖ブロックからなるナノ領域に対応する。得られたネットワークの周期は11nmである。
THF/DMS溶媒(1/1、容積/容積)中で前記コポリマーの溶液(容積比率30%)をシリコン基板上にスピンコーティングして堆積させることで実施例2のコポリマーから製造された膜は、実施例2の手順(170℃で24時間アニール)により組織化された。前記得られた材料は、基板の面に平行に組織化されたナノ領域を含んでいた(図4)。
示されたように、2つの膜が、4、4’−ビピリジンを含む実施例2のコポリマーから170℃で15分又は45時間アニールすることで製造され、4、4’−ビピリジンに水素結合で結合したマルトヘプタオースのナノ領域が心立方系で組織化された。これらの膜の発光スペクトル(励起365nm)が図5に示されており、この材料がOLEDの製造のための材料の応用に適していることを示す。これらのスペクトルはまた、発光強度が、より長いアニールをした膜についてより優れており、ナノ領域の組織化がより優れていることを示す。
実施例3の材料の処理が、トリフルオロ酢酸溶液を用いて実施され、マルトヘプタオースナノ領域を選択的に除去し、残留したポリスチレンによりお互いが分離されたキャビティを形成させた、これらはフラッシュメモリ(図6)、垂直トランジスタ(図7)、非シーケンシャルアクセスメモリ(RAM)(図8)又はナノバイオセンサを製造するために使用され得る。又は、戦記処理は、トリフルオロ酢酸の代わりに塩酸を用いて実施することができる。
Claims (13)
- 基板を含む材料(M)であり、前記基板の1つの表面が:
−疎水性ポリマーからなるブロック(A)、及び
−多糖からなるブロック(B)
を含むブロックコポリマー系の組織化ネットワークの層で被覆されている、材料(M)。 - 前記ブロックコポリマーが、重量平均分子量40000g/mol以下を有する、請求項1に記載の材料(M)。
- 前記ブロック(B)の多糖がマルトヘプタオースである、請求項1又は2のいずれか一項に記載の材料(M)。
- 前記ブロック(A)のポリマーが、ポリスチレン、ポリ(アルキル(メタ)アクリレート)又はポリ(3−ヘキシルチオフェン)からなる、請求項1乃至3のいずれか一項に記載の材料(M)。
- 前記ブロック(B)が、アミン、アミド、ヒドロキシル官能基及び/又はカルボン酸官能基を含む少なくとも1つの分子と、水素結合を介して結合される、請求項1乃至4のいずれか一項に記載の材料(M)。
- 前記分子が、4,4’−ビピリジン、2,2’−ビピリジン、2−(2,4−ジフルオロフェニル)ピリジン又は9−アントラセンカルボン酸である、請求項5に記載の材料(M)。
- 前記基板がシリコンを含む、請求項1乃至6のいずれか一項に記載の材料(M)。
- 前記基板が、ポリマー、ガラス、金属又は金属酸化物である、請求項1乃至6のいずれか一項に記載の材料(M)。
- シリコン基板を含み、前記基板の1つの表面が:
−重合度18のポリスチレンポリマーからなるブロック(A)、及び
−重合度7のマルトヘプタオースからなるブロック(B)であり、前記マルトヘプタオースが水素結合を介して4,4’−ビピリジンと結合しているブロック(B)
を含むブロックコポリマー系の組織化ネットワークの層で被覆されている、請求項1乃至8のいずれか一項に記載の材料(M)。 - 請求項1乃至9のいずれか一項に記載の材料(M)の製造方法であり、前記方法は:
(α)前記ブロックコポリマーを含む溶液を基板上に堆積して材料(m)を得るステップ、
(β)ステップ(α)の最後で得られた前記材料(m)を温度140から220℃に加熱するステップ
を含む、方法。 - 電子装置でのリソグラフィマスクのための前駆体としての、請求項1乃至9のいずれか一項に記載の材料(M)の使用。
- 材料(M HOLE )の調製方法であって、
(a)請求項1乃至9のいずれか一項に記載の材料(M)の前記層を処理して、前記ブロック(A)又は(B)のいずれか一方を選択的に除去し、前記ポリマーの残留物により、相互に分離されたキャビティを形成するステップ
を含む、調製方法。 - 前記ブロック(B)が、アミン、アミド、ヒドロキシル官能基及び/又はカルボン酸官能基を持つ分子に水素結合を介して結合され、前記分子が発光性である、請求項5又は6のいずれか一項に記載の材料(M)を含む有機発光ダイオード又は有機光電池。
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Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1056336 | 2010-07-30 | ||
FR1056336A FR2963355B1 (fr) | 2010-07-30 | 2010-07-30 | Films minces nanoorganises a base de copolymeres a blocs polysaccharidiques pour des applications en nanotechnologie. |
PCT/FR2011/051843 WO2012013911A1 (fr) | 2010-07-30 | 2011-07-29 | Films minces nanoorganisés à base de copolymères à blocs polysaccharidiques pour des applications en nanotechnologie |
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US20130189609A1 (en) | 2013-07-25 |
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