JP2012506543A - 電気化学的センサ及びその製造方法 - Google Patents
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Abstract
【解決手段】本発明によれば、電気化学的センサ(1)が、マトリックス(12)内に埋め込まれたナノ粒子(14)からなる検出領域(10)を含み、ナノ粒子(14)はマトリックス材料に比べて高い電気伝導率を有する。検出領域(10)の電気伝導率(σ)が、ナノ粒子(14)間の電子のトンネル、イオン化又はホッピングプロセスと、ナノ粒子(14)と検出すべき標的物質との電気化学的相互作用とによって規定されている。
【選択図】図1
Description
●環境保護)大気の質及び水質を測定する場合
●軍隊及び居住地の防護)毒物又は爆発物を検出する場合
●クロマトグラフィ
●例えば食品・飲料又は化粧品工業での品質保証における人工嗅覚としての使用
●環境保護)大気の質及び水質を測定する場合
●軍隊及び居住地の防護)毒物又は爆発物を検出する場合
●クロマトグラフィ
●例えば食品・飲料又は化粧品工業での品質保証における人工嗅覚としての使用
4 基体
10 検出領域
12 マトリックス
14 ナノ粒子
16 担持体
50 粒子
52 基板
54 蒸着ゾーン
56 蒸着物
γ 指数
σ 電気伝導率
Claims (17)
- 電子的なトンネルプロセス、イオン化プロセス又はホッピングプロセス、及び検出すべき標的物質と検出領域(10)との相互作用によって、その検出領域(10)の電気伝導率(σ)が規定されている、検出領域(10)を備えた電気化学的センサ(1)。
- 検出領域(10)の電気伝導率(σ)の温度(T)に対する依存性が、σ〜T-γなる式によって近似的に与えられていて、その特性指数(γ)が0と1との間の値、好ましくは約0.25の値、約0.5の値、又は約1、の値を有する請求項1記載の電気化学的センサ(1)。
- 検出領域(10)が、マトリックス(12)の中に埋め込まれていてそのマトリックス材料に比べて高い電気伝導率を有するナノ粒子(14)から、形成されている請求項1又は2記載の電気化学的センサ(1)。
- ナノ粒子(14)が金属である請求項3記載の電気化学的センサ(1)。
- 金属のナノ粒子(14)が、化学的に安定な金属、好ましくは金(Au)又は白金(Pt)、からなる請求項4記載の電気化学的センサ(1)。
- マトリックス(12)が、ポリマー材料、好ましくは有機又は無機の構造要素、から、炭素を基礎とする化合物から、炭素・酸素化合物から、水素化合物から、フッ素化合物から及び/又は金属を含む構造要素から、形成されている請求項1乃至5の1つに記載の電気化学的センサ(1)。
- マトリックス(12)が有機材料、無機材料又は誘電材料から形成されている、請求項1乃至5の1つに記載の電気化学的センサ(1)。
- マトリックス(12)形成材料及び/又はナノ粒子(14)形成材料が、予定された標的物質との期待される相互作用を考慮して選択されている請求項1乃至7の1つに記載の電気化学的センサ(1)。
- ナノ粒子(14)が、100nmまでの、好ましくは10nmまでの、とりわけ好ましくは1nmまでの、平均粒子サイズを有する請求項1乃至8の1つに記載の電気化学的センサ(1)。
- 検出領域(10)が、担持体(16)上に形成された被膜によって、構成されている請求項1乃至9の1つに記載の電気化学的センサ(1)。
- 1つの共通な担持体(16)上に、マトリックス(12)及び/若しくはナノ粒子(14)の材料選択並びに/又はナノ粒子(14)のサイズ及び/若しくは密度に関して互いに異なる複数の検出領域(10)が配置されている請求項10記載の電気化学的センサ(1)。
- 検出領域(10)が、局部的なエネルギー印加によって、好ましくは電子ビーム誘起蒸着によって、作製される請求項1乃至11の1つに記載の電気化学的センサ(1)を製造するための方法。
- 基板(52)の近くの蒸着領域(54)にガス状で供給される多数の前駆体物質(50)がエネルギー励起により転移させられ、その際に転移生成物が固体の不揮発性の形で基板(52)上に付着する請求項12記載の方法。
- 前駆体物質(50)として、有機の、無機の、誘電性の又は有機金属のモノマー、オリゴマー及び/又はポリマーが使用される請求項13記載の方法。
- 前駆体物質(50)のエネルギー励起のために用意されたイオンビーム、光子ビーム又は電子ビームが、蒸着物(56)の予め与えられた目標ジオメトリに依存して基板(52)に対して横方向又は3次元方向に案内される請求項13又は14記載の方法。
- 基板(52)の温度及び/又は前駆体源の温度が、蒸着中に蒸着領域(54)内で検出される前駆体物質(50)の蒸気圧に依存して調節される請求項13乃至15の1つに記載の方法。
- 前駆体物質(50)の量及び/又は組成、蒸着領域(54)内のガス圧、局部的エネルギー印加の強度、それの入射時間、それの焦点サイズ、基板材料及び/又は基板温度が、検出領域(10)が予め与えられた電気伝導率を有するように、調整される請求項13乃至16の1つに記載の方法。
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DE102008052645.2 | 2008-10-22 | ||
DE200810052645 DE102008052645A1 (de) | 2008-10-22 | 2008-10-22 | Elektrochemischer Sensor und Verfahren zu dessen Herstellung |
PCT/EP2009/007563 WO2010046105A2 (de) | 2008-10-22 | 2009-10-22 | Elektrochemischer sensor und verfahren zu dessen herstellung |
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JP2012506543A true JP2012506543A (ja) | 2012-03-15 |
JP2012506543A5 JP2012506543A5 (ja) | 2012-10-04 |
JP5369186B2 JP5369186B2 (ja) | 2013-12-18 |
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US (1) | US8907677B2 (ja) |
EP (1) | EP2344868A2 (ja) |
JP (1) | JP5369186B2 (ja) |
CN (1) | CN102257381A (ja) |
CA (1) | CA2777603A1 (ja) |
DE (1) | DE102008052645A1 (ja) |
RU (1) | RU2502992C2 (ja) |
WO (1) | WO2010046105A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2015516067A (ja) * | 2012-05-01 | 2015-06-04 | アイシス イノベーション リミテッド | 電気化学的検出法 |
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US9857498B2 (en) * | 2014-06-05 | 2018-01-02 | Baker Hughes Incorporated | Devices and methods for detecting chemicals |
MD4495C1 (ro) * | 2016-09-09 | 2018-01-31 | Николай АБАБИЙ | Senzor de etanol pe bază de oxid de cupru |
US10145009B2 (en) | 2017-01-26 | 2018-12-04 | Asm Ip Holding B.V. | Vapor deposition of thin films comprising gold |
DE102018203842A1 (de) * | 2018-03-14 | 2019-09-19 | Robert Bosch Gmbh | Sensortag zur Detektion von Feinstaubpartikeln und Staubmaske |
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- 2009-10-22 CN CN2009801519338A patent/CN102257381A/zh active Pending
- 2009-10-22 RU RU2011120331/28A patent/RU2502992C2/ru active
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DE102008052645A1 (de) | 2010-05-06 |
US8907677B2 (en) | 2014-12-09 |
CA2777603A1 (en) | 2010-04-29 |
JP5369186B2 (ja) | 2013-12-18 |
RU2011120331A (ru) | 2012-11-27 |
US20120019258A1 (en) | 2012-01-26 |
WO2010046105A3 (de) | 2010-06-24 |
WO2010046105A2 (de) | 2010-04-29 |
RU2502992C2 (ru) | 2013-12-27 |
CN102257381A (zh) | 2011-11-23 |
EP2344868A2 (de) | 2011-07-20 |
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