JP6562286B1 - 光エネルギー変換素子およびそれを具備するデバイス - Google Patents
光エネルギー変換素子およびそれを具備するデバイス Download PDFInfo
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 111
- 239000013078 crystal Substances 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract description 24
- 230000031700 light absorption Effects 0.000 description 15
- 239000004065 semiconductor Substances 0.000 description 11
- 238000004364 calculation method Methods 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- 238000011144 upstream manufacturing Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000008151 electrolyte solution Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910016066 BaSi Inorganic materials 0.000 description 1
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 description 1
- 238000003775 Density Functional Theory Methods 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 238000002835 absorbance Methods 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003190 augmentative effect Effects 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000008363 phosphate buffer Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
Description
以下、本開示の実施形態が、図面を参照しながら詳細に説明される。
図1は、本開示の第1実施形態による光エネルギー変換素子100の断面図を示す。図1に示されるように、光エネルギー変換素子100(以下、単に「素子100」ということがある)には、所定の方向から光500が入射する。素子100は、光エネルギー変換層110を具備している。図1では、素子100が光エネルギー変換層110のみから構成されている。しかし、素子100は、光エネルギー変換層110以外の他の要素をさらに具備し得る。図1中、符号120は、第1電極120を示している。
図4は、本開示の第2実施形態によるデバイスの断面図を示す。図4に示されたデバイス200は、第1実施形態で説明した素子100を具備している。デバイス200は、さらに、第1電極120および第2電極210を具備する。図4に示されたデバイス200において、第1電極120は、素子100への光の入射方向において、光エネルギー変換層110よりも下流側に配置されている。しかし、第1実施形態で説明したとおり、第1電極120は、光エネルギー変換層110よりも上流側に配置されていてもよい。第2実施形態においては、光エネルギー変換層110は、第1電極120および第2電極210の間に設けられる。素子100が多接合型光エネルギー変換素子である場合、第1電極120および第2電極210の間に、光エネルギー変換素子に含まれる複数の光エネルギー変換層が設けられる。
図5は、本開示の第3実施形態によるデバイスの断面図を示す。図5に示されたデバイス300は、第1実施形態による光エネルギー変換素子100を具備している。デバイス300は、第1電極120、電極310、液体330、および容器340をさらに具備する。デバイス300では、素子100に光を照射することによって水が分解される。第1電極120は、第1実施形態で説明したとおりである。
4h+ + 2H2O → O2↑ + 4H+ (1)
(h+は正孔を表す)
(化2)
4e- + 4H+ → 2H2↑ (2)
110 光エネルギー変換層
120 第1電極
200 デバイス
210 第2電極
300 デバイス
310 電極
320 導線
330 液体
340 容器
400 デバイス
500 光
Claims (5)
- 六方晶系の結晶構造を有するBaBi2S4を含有する光エネルギー変換層を具備する、
光エネルギー変換素子。 - デバイスであって、
請求項1に記載の光エネルギー変換素子、
前記光エネルギー変換素子と電気的に接続された第1電極、および
前記光エネルギー変換素子と電気的に接続された第2電極
を具備し、
前記光エネルギー変換素子は、前記第1電極および第2電極の間に設けられている、
デバイス。 - デバイスであって、
請求項1に記載の光エネルギー変換素子、
前記光エネルギー変換素子と電気的に接続された電極、
液体、および
前記光エネルギー変換素子、前記電極、および前記液体を収容する容器
を具備する、
デバイス。 - 光を電気エネルギーに変換する方法であって、
六方晶系の結晶構造を有するBaBi2S4を含有する光エネルギー変換層に光を照射して、前記光エネルギー変換層に電気的に接続された第1電極および第2電極から電気エネルギーを取り出す工程
を具備する、方法。 - 水分子を光で分解して水素を発生する方法であって、
六方晶系の結晶構造を有するBaBi2S4を含有する光エネルギー変換層に光を照射して、前記光エネルギー変換層の表面上または前記光エネルギー変換層に電気的に接続された電極の表面上で水素を発生させる工程、
ここで、前記光エネルギー変換層および前記電極は、前記水と接している、
を具備する、方法。
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JP2018112776 | 2018-06-13 | ||
JP2018112776 | 2018-06-13 | ||
PCT/JP2018/048559 WO2019239620A1 (ja) | 2018-06-13 | 2018-12-28 | 光エネルギー変換素子およびそれを具備するデバイス |
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JP6562286B1 true JP6562286B1 (ja) | 2019-08-21 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003238104A (ja) * | 2002-02-18 | 2003-08-27 | Univ Tohoku | 水素生成光装置 |
CN102277621A (zh) * | 2010-06-10 | 2011-12-14 | 中国科学院福建物质结构研究所 | 一种新型红外非线性光学晶体硫铟铋钡 |
WO2012102118A1 (ja) * | 2011-01-28 | 2012-08-02 | 株式会社村田製作所 | 光起電力装置および水素発生装置 |
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2018
- 2018-12-28 JP JP2019521502A patent/JP6562286B1/ja active Active
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2019
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003238104A (ja) * | 2002-02-18 | 2003-08-27 | Univ Tohoku | 水素生成光装置 |
CN102277621A (zh) * | 2010-06-10 | 2011-12-14 | 中国科学院福建物质结构研究所 | 一种新型红外非线性光学晶体硫铟铋钡 |
WO2012102118A1 (ja) * | 2011-01-28 | 2012-08-02 | 株式会社村田製作所 | 光起電力装置および水素発生装置 |
Non-Patent Citations (2)
Title |
---|
AURIVILLIUS B. ET AL.: "The Crystal Structures of Two Forms of BaSi2S4", ACTA CHEMICA SCANDINAVICA. SERIES A. PHYSICAL AND INORGANIC CHEMISTRY, vol. 37, no. 5, JPN6019025398, 1983, pages 399 - 407, ISSN: 0004068991 * |
GENG L. ET AL.: "Syntheses, Crystal and Electronic Structures, and Characterizations of Quaternary Antiferromagnetic", INORGANIC CHEMISTRY, vol. 50, JPN6019025402, 18 February 2011 (2011-02-18), US, pages 2378 - 2384, ISSN: 0004068992 * |
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US20190386165A1 (en) | 2019-12-19 |
JPWO2019239620A1 (ja) | 2020-06-25 |
US10629764B2 (en) | 2020-04-21 |
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