JP2020505304A - 単層カーボンナノチューブ用途のための分解可能なs−テトラジン系ポリマー - Google Patents
単層カーボンナノチューブ用途のための分解可能なs−テトラジン系ポリマー Download PDFInfo
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- JP2020505304A JP2020505304A JP2019537077A JP2019537077A JP2020505304A JP 2020505304 A JP2020505304 A JP 2020505304A JP 2019537077 A JP2019537077 A JP 2019537077A JP 2019537077 A JP2019537077 A JP 2019537077A JP 2020505304 A JP2020505304 A JP 2020505304A
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- Prior art keywords
- tetrazine
- swcnt
- polymer
- chemical sensor
- conjugated polymer
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- C08G61/126—Macromolecular compounds containing atoms other than carbon in the main chain of the macromolecule derived from five- or six-membered heterocyclic compounds, other than imides derived from five-membered heterocyclic compounds with a five-membered ring containing one sulfur atom in the ring
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- H10K10/466—Lateral bottom-gate IGFETs comprising only a single gate
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- C08G2261/19—Definition of the polymer structure partially conjugated
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Abstract
Description
が挙げられる(しかし、これらに限定されない)。
示差走査熱量測定(DSC)曲線は、s−テトラジンポリマーが約250℃で熱分解し得ることを示している。
s−テトラジン系ポリマーとSWCNTとの間の相互作用は非常に強いが、SWCNT構造を破壊するのに十分なほど強くはない。ポリフルオレン類(PFDD)のような他のポリマーは、PFDD分散液をs−テトラジンポリマー溶液で処理することによって容易に置換することができる。
上記のように、s−テトラジン系ポリマーは、光照射または加熱によって分解することがある。分解後、得られた小分子は、溶液中で洗い流すか、レーザー照射下で蒸発させるか、または固体状態であれば真空下で加熱することができる。このように、クリーンなSWCNTネットワークを得ることができ、それは、薄膜トランジスタ(TFT)またはセンサーなどの電気デバイス用途にとって望ましい。これについては、図4を参照して以下さらに説明する。
PBDTFT/SWCNT分散液を使用して電子デバイスを製造することができる。
一般に、PFDD/SWCNTからのTFTは、より高い電流と移動度とを有しているが、SEMの画像は、PBDTFTz/SWCNTのものと非常に似ているチューブ密度を示している(図7aおよび7b参照)。ポリマー/SWCNTの重量比は4:1であるが、SWCNTの濃度は25.5mg/Lである。画像の右下隅にあるスケールバーは1μmである。
ポリマーの除去は、トランジスタ性能における適度の利得をもたらすが、露出したナノチューブ表面は、分子の化学的検知を含む、いくつかの用途にとって望ましいプラットフォームを提供する。本明細書に記載の新規な化学と裸の高純度sc−SWCNT薄膜を産生するその能力は、種々のデバイス、特に、整列SWCNT、光起電力デバイスおよび光電子デバイスに基づく高性能トランジスタとppb検知が可能であり、環境用途にも健康管理用途にも適用できる最重要なセンサーとの最適化性能を可能にし得る。
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Claims (59)
- 共役ポリマーで抽出された半導体単層カーボンナノチューブ(sc−SWCNT)を精製するための方法であって、
sc−SWCNTと会合した共役ポリマーを含む処理済sc−SWCNT分散液中で共役ポリマーをs−テトラジン系ポリマーと交換する工程を含む方法。 - 光照射または熱処理によって前記s−テトラジン系ポリマーを分解する工程、続いて分解生成物を除去する工程をさらに含む、請求項1に記載の方法。
- 前記s−テトラジン系ポリマーが、
以下の構造:
- 前記s−テトラジン系ポリマーが、PBDTFTz:
- 前記s−テトラジン系ポリマーが、PDTSTTz:
- 前記s−テトラジン系ポリマーが、
である、請求項1に記載の方法。 - 前記s−テトラジン系ポリマーが、PCPDTFTz:
である、請求項1に記載の方法。 - 前記分解生成物が、すすぎまたは蒸発によって除去される、請求項2に記載の方法。
- 前記共役ポリマーが、ポリフルオレンを含む、請求項1に記載の方法。
- 前記共役ポリマーが、ポリチオフェンを含む、請求項1に記載の方法。
- 前記共役ポリマーが、ポリ(9,9−ジ−n−ドデシルフルオレン)(PFDD)である、請求項1に記載の方法。
- 前記sc−SWCNTに対する前記共役ポリマーの重量比が、最大値2を有する、請求項1に記載の方法。
- 前記sc−SWCNTに対する前記s−テトラジン系ポリマーの重量比が、最大値4を有する、請求項1に記載の方法。
- 前記sc−SWCNTに対する前記s−テトラジン系ポリマーの重量比が、1から4の間である、請求項1に記載の方法。
- 薄膜トランジスタの製造のための請求項1に記載の方法。
- 半導体単層カーボンナノチューブ(sc−SWCNT)の精製のためのs−テトラジン系ポリマーの使用。
- 前記s−テトラジン系ポリマーが、
以下の構造:
を有する、請求項16に記載の使用。 - 薄膜トランジスタの製造のための請求項16または17に記載の使用。
- 薄膜トランジスタの製造方法であって、
a)sc−SWCNTと会合した共役ポリマーを含む処理済sc−SWCNT分散液中で共役ポリマーをs−テトラジン系ポリマーと交換することにより、s−テトラジン/ SWCNTの会合複合体(15)を得る工程と、
b)置換された共役ポリマーを除去する工程と、
c)得られた分散液を基板に塗布する工程と、
d)熱および/または紫外光を当ててs−テトラジン系ポリマーを分解する工程と、および
e)得られた分解生成物を除去する工程と
を含む、方法。 - 前記s−テトラジン系ポリマーが、
以下の構造:
を有する、請求項19に記載の方法。 - 前記s−テトラジン系ポリマーが、PBDTFTz:
- 前記共役ポリマーが、ポリ(9,9−ジ−n−ドデシルフルオレン)(PFDD)である、請求項20または21に記載の方法。
- pptからppbまでの範囲内の1つ以上の化学物質を検出するための化学センサーであって、
a)sc−SWCNT/s−テトラジン系共役ポリマー複合体の分散液を基板に塗布する工程と、
b)熱および/または紫外光を当ててs−テトラジン系共役ポリマーを分解する工程と、および
c)得られた分解生成物を除去する工程と
を含む方法によって製造されたセンサー。 - 前記センサーが、4pptから100ppbまでの検出下限を有する、請求項23に記載の化学センサー。
- 前記センサーが、3pptから1ppbまでの検出下限を有する、請求項24に記載の化学センサー。
- 前記1つ以上の化学物質が、気相中または液相中にある、請求項23から25のいずれか一項に記載の化学センサー。
- 前記1つ以上の化学物質が、アンモニアガスまたは二酸化窒素ガス(NO2)である、請求項26に記載の化学センサー。
- 前記s−テトラジン系ポリマーが、
以下の構造:
を有する、請求項23から27のいずれか一項に記載の化学センサー。 - 前記s−テトラジン系ポリマーが、PBDTFTz:
- 前記s−テトラジン系ポリマーが、PDTSTTz:
- 前記s−テトラジン系ポリマーが、
(式中、R1およびR2=2−エチルヘキシル;またはR1=2−エチルヘキシルおよびR2=ヘキシル;またはR1=ヘキシルおよびR2=2−エチルヘキシル;またはR1およびR2=ヘキシル;またはR1=メチルおよびR2=2−エチルヘキシルである。)
である、請求項23から27のいずれか一項に記載の化学センサー。 - 前記s−テトラジン系ポリマーが、PCPDTFTz:
である、請求項23から27のいずれか一項に記載の化学センサー。 - 前記分解生成物が、すすぎ、蒸発、昇華、および、それらの組合せからなる群から選択される方法によって除去される、請求項23から32のいずれか一項に記載の化学センサー。
- 前記共役ポリマーが、ポリフルオレンを含む、請求項23から33のいずれか一項に記載の化学センサー。
- 前記共役ポリマーが、ポリチオフェンを含む、請求項23から33のいずれか一項に記載の化学センサー。
- 前記共役ポリマーが、ポリ(9,9−ジ−n−ドデシルフルオレン)(PFDD)である、請求項23から33のいずれか一項に記載の化学センサー。
- 前記sc−SWCNTに対する前記共役ポリマーの重量比が、最大値5を有する、請求項23から36のいずれか一項に記載の化学センサー。
- 前記sc−SWCNTに対する前記s−テトラジン系ポリマーの重量比が、最大値8を有する、請求項23から37のいずれか一項に記載の化学センサー。
- 前記sc−SWCNTに対する前記s−テトラジン系ポリマーの重量比が、1から4の間である、請求項23から28のいずれか一項に記載の化学センサー。
- pptからppbまでの範囲内の1つ以上の化学物質を検出する化学センサーを製造するための方法であって、
f)sc−SWCNT/s−テトラジン系共役ポリマー複合体の分散液を基板に塗布する工程と、
g)熱および/または紫外光を当てて前記s−テトラジン系共役ポリマーを分解する工程と、および
h)得られた分解生成物を除去する工程と
を含む、方法。 - 前記センサーが、4pptから100ppbまでの検出下限を有する、請求項40に記載の方法。
- 前記センサーが、3pptから1ppbまでの検出下限を有する、請求項40または41に記載の方法。
- 前記1つ以上の化学物質が気相中または液相中にある、請求項40から42のいずれか一項に記載の方法。
- 前記1つ以上の化学物質が、アンモニアガスまたは二酸化窒素ガス(NO2)である、請求項43に記載の方法。
- 前記s−テトラジン系ポリマーが、
以下の構造:
を有する、請求項40から44のいずれか一項に記載の方法。 - 前記s−テトラジン系ポリマーが、PBDTFTz:
- 前記s−テトラジン系ポリマーが、PDTSTTz:
- 前記s−テトラジン系ポリマーが、
である、請求項40から44のいずれか一項に記載の方法。 - 前記s−テトラジン系ポリマーが、PCPDTFTz:
である、請求項40から44のいずれか一項に記載の方法。 - 前記分解生成物が、すすぎ、蒸発、昇華および、それらの組合せからなる群から選択される方法によって除去される、請求項40から44のいずれか一項に記載の方法。
- 前記共役ポリマーが、ポリフルオレンを含む、請求項40から50のいずれか一項に記載の方法。
- 前記共役ポリマーが、ポリチオフェンを含む、請求項40から50のいずれか一項に記載の方法。
- 前記共役ポリマーが、ポリ(9,9−ジ−n−ドデシルフルオレン)(PFDD)である、請求項40から50のいずれか一項に記載の方法。
- 前記sc−SWCNTに対する前記共役ポリマーの重量比が、最大値5を有する、請求項40から53のいずれか一項に記載の方法。
- 前記sc−SWCNTに対する前記s−テトラジン系ポリマーの重量比が、最大値8を有する、請求項40から54のいずれか一項に記載の方法。
- 前記sc−SWCNTに対する前記s−テトラジン系ポリマーの重量比が、1から4の間である、請求項40から54のいずれか一項に記載の方法。
- pptからppbまでの範囲内のアンモニアガスまたは二酸化窒素ガスを検出するための化学センサーであって、半導体単層カーボンナノチューブのネットワーク(sc−SWCNT)を含む、センサー。
- 前記センサーが、4pptから100ppbまでの検出下限を有する、請求項57に記載の化学センサー。
- 前記センサーが、3pptから1ppbまでの検出下限を有する、請求項58に記載の化学センサー。
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