JP6750628B2 - 化学物質濃縮器および化学物質検出装置 - Google Patents
化学物質濃縮器および化学物質検出装置 Download PDFInfo
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- 239000000126 substance Substances 0.000 title claims description 143
- 238000001514 detection method Methods 0.000 title claims description 24
- 239000003463 adsorbent Substances 0.000 claims description 133
- 239000002070 nanowire Substances 0.000 claims description 24
- 238000001816 cooling Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- 229910044991 metal oxide Inorganic materials 0.000 claims description 11
- 150000004706 metal oxides Chemical class 0.000 claims description 11
- 238000001179 sorption measurement Methods 0.000 claims description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 238000012986 modification Methods 0.000 claims description 4
- 230000004048 modification Effects 0.000 claims description 4
- 239000002041 carbon nanotube Substances 0.000 claims description 2
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 2
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- 238000010438 heat treatment Methods 0.000 description 9
- 239000010410 layer Substances 0.000 description 9
- 239000012141 concentrate Substances 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000000470 constituent Substances 0.000 description 5
- 239000011347 resin Substances 0.000 description 4
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- -1 SiO 2 Chemical class 0.000 description 3
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- 229910052737 gold Inorganic materials 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000012855 volatile organic compound Substances 0.000 description 2
- BWGNESOTFCXPMA-UHFFFAOYSA-N Dihydrogen disulfide Chemical compound SS BWGNESOTFCXPMA-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- WQOXQRCZOLPYPM-UHFFFAOYSA-N Dimethyl disulfide Natural products CSSC WQOXQRCZOLPYPM-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
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- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
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- 239000010944 silver (metal) Substances 0.000 description 1
- 238000010897 surface acoustic wave method Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
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- G01N1/405—Concentrating samples by adsorption or absorption
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- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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Description
本開示の一態様にかかる化学物質濃縮器および化学物質検出装置について、図1および図2を参照して説明する。
111 下基板
111A 第一の内壁
112 上基板
12,12a,12b,12c,12d,12e,12f,12g,12h,12i 第一の電極
13,13a,13b,13c,13d,13e,13f,13g,13h,13i 第二の電極
14,14a,14b,14c,14d,14e,14f,14g,14h,14i 吸着材
141 ナノワイヤ
142 多孔質体
143 空隙
15 冷却部
16 断熱層
20,20A,20B,20C,20D,20E 化学物質濃縮器
21 検出部
211 検出素子
22 電流供給部
23 制御部
40 化学物質検出装置
Claims (13)
- 化学物質を含む気体試料が流れる流路と、
前記流路の第一の内壁に設けられる第一の電極と、
前記第一の電極と離間して前記第一の内壁に設けられる第二の電極と、
前記第一の電極、前記第二の電極、および前記第一の電極と前記第二の電極との間の前記第一の内壁のそれぞれに接触して設けられる導電性の吸着材と、を備え、
前記流路は、前記第一の内壁と対向する第二の内壁を有し、
前記流路は、前記吸着材と前記第二の内壁との間に間隙を有する、
化学物質濃縮器。 - 前記吸着材は、
前記第一の内壁の側から前記第二の内壁の側に向けて林立する複数の柱状部と、
第一の内壁に側において前記複数の柱状部に接続された共通部と、を有する、
請求項1に記載の化学物質濃縮器。 - 前記吸着材は導電性のナノワイヤであり、
前記ナノワイヤは、金属酸化物で構成される、
請求項1に記載の化学物質濃縮器。 - 前記吸着材は導電性のナノワイヤであり、
前記ナノワイヤは、金属酸化物で覆われたカーボンナノチューブである、
請求項1に記載の化学物質濃縮器。 - 前記吸着材は導電性の多孔質体である、
請求項1に記載の化学物質濃縮器。 - 前記吸着材を冷却する冷却部と、をさらに備える、
請求項1に記載の化学物質濃縮器。 - 前記第一の内壁は、前記吸着材と接する層として多孔質の断熱層を備える、
請求項1に記載の化学物質濃縮器。 - 前記流路は、複数の内壁により形成され、前記第一の内壁は前記複数の内壁のうちの一つである、
請求項1に記載の化学物質濃縮器。 - 前記吸着材は、前記流路内に複数分かれて配置されている、
請求項1に記載の化学物質濃縮器。 - 前記複数の吸着材は、材料または表面の修飾状態が、互いに異なる、
請求項9に記載の化学物質濃縮器。 - 前記第一の電極および前記第二の電極は、前記複数の吸着材のそれぞれに設けられており、
前記複数の吸着材に設けられる前記第一の電極および前記第二の電極のそれぞれに対して選択的に電流を供給する電流供給部をさらに備える、
請求項9または10に記載の化学物質濃縮器。 - 前記吸着材に流れる電流値を計測する計測部と、
前記電流値から前記吸着材の電気抵抗値の変化を求めることにより、前記吸着材に吸着された前記化学物質の吸着量を推定する吸着量推定部と、をさらに備える、
請求項1記載の化学物質濃縮器。 - 請求項1に記載の化学物質濃縮器と、
前記化学物質濃縮器によって濃縮された前記化学物質を検出する検出部と、を備える、
化学物質検出装置。
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Application Number | Priority Date | Filing Date | Title |
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JP2015184559 | 2015-09-18 | ||
JP2015184559 | 2015-09-18 | ||
PCT/JP2016/004053 WO2017047041A1 (ja) | 2015-09-18 | 2016-09-06 | 化学物質濃縮器および化学物質検出装置 |
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JPWO2017047041A1 JPWO2017047041A1 (ja) | 2018-07-05 |
JP6750628B2 true JP6750628B2 (ja) | 2020-09-02 |
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US (1) | US20180149565A1 (ja) |
EP (1) | EP3351920B1 (ja) |
JP (1) | JP6750628B2 (ja) |
CN (1) | CN107683407B (ja) |
WO (1) | WO2017047041A1 (ja) |
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JPWO2017104120A1 (ja) * | 2015-12-14 | 2018-09-27 | パナソニック株式会社 | 化学物質濃縮器および化学物質検出器 |
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CN107683407A (zh) | 2018-02-09 |
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WO2017047041A1 (ja) | 2017-03-23 |
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JPWO2017047041A1 (ja) | 2018-07-05 |
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