JP2011056617A - 極小ワイヤー状分子集合体及びその製造方法 - Google Patents
極小ワイヤー状分子集合体及びその製造方法 Download PDFInfo
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Abstract
【解決手段】 本発明は,基本的には,極小ワイヤー状の分子集合体を製造するに際して,酸化還元を担う分子を用いるものである。そして,電解法にて極小ワイヤー状の分子集合体を製造する際に,この酸化還元を担う分子が酸化されるので,電気伝導を担う部分が酸化されない。本発明は,これにより,導電性が高くなりすぎない極小ワイヤー状の分子集合体を製造することができる。
【選択図】図1
Description
本発明の極小ワイヤー状分子集合体の製造方法は,基本的には,有機モット絶縁体の原料を含む電解液を用いる。有機モット絶縁体の原料はフタロシアンン誘導体又はフェロセン誘導体であり,電解液はCoよりもイオン化傾向が高い遷移金属を含む。そして,最も近接した部位の間隔が1nm〜100μmである2本の電極に,最大電位差を10mV〜20Vとする直流電圧または交流電圧のいずれかまたは両方を,電解液中で印加することにより,極小ワイヤー状分子集合体を製造する。
実施例により得られた極小ワイヤー状分子集合体は,鉄イオンが酸化されており,フタロシアニン分子部分は酸化されていない。その結果,得られた極小ワイヤー状分子集合体の電気伝導度はそれほど高くないものであった。
2 電気伝導を担う分子
3 極小ワイヤー状分子集合体
Claims (11)
- 極小ワイヤー状分子集合体の製造方法であって,
酸化還元を担う部位と,前記極小ワイヤー状分子集合体において電気伝導を担う部位とを含む溶液を用意する工程と,
前記溶液を2本の電極と接触させる工程と,
前記2本の電極に電圧を印加することにより電気化学反応を起こす工程と,
を含み,
前記電気伝導を担う部位は,
有機導電体を形成する有機分子からなり,
前記極小ワイヤー状分子集合体は,
前記有機導電体を形成する有機分子が連続的に結合し,これにより前記極小ワイヤー状分子集合体が電気伝導性を有するものであり,
前記2本の電極に電圧を印加する工程において,
前記酸化還元を担う部位が酸化されることにより,前記電気伝導を担う分子が酸化される事なく連続的に結合し,これによりバンド絶縁体型の極小ワイヤー状分子集合体を形成する,
バンド絶縁体型の極小ワイヤー状分子集合体の製造方法。
- 前記電気伝導を担う部位は,有機導電体を形成する有機金属錯体であり,
前記酸化還元を担う部位は,前記有機金属錯体に含まれる金属原子であり,
前記金属原子の酸化還元電位が,前記電気伝導を担う部位の酸化還元電位より低いものである
請求項1に記載の極小ワイヤー状分子集合体の製造方法。
- 前記電気伝導を担う部位は,有機導電体を形成する有機分子であり,
前記酸化還元を担う部位は,前記電気伝導を担う部位に化学的に接続された有機分子であり,その酸化還元電位が電気伝導を担う部位の酸化還元電位より低いものである
請求項1に記載の極小ワイヤー状分子集合体の製造方法。
- 前記電気伝導を担う部位は,有機導電体を形成する有機分子であり,
前記酸化還元を担う部位は,前記電気伝導を担う部位とは独立した有機分子であり,その酸化還元電位が電気伝導を担う部位の酸化還元電位より低いものである,
請求項1に記載の極小ワイヤー状分子集合体の製造方法。
- 前記電気伝導を担う部位は,フタロシアニン誘導体,ポルフィリン誘導体,ジチオールチオンジチオラート(dmit)誘導体錯体,マロノニトリルジチオラート(mnt)誘導体錯体,エチレンジチオラート(edt)誘導体錯体,ビストリフルオロメチレンジチオラート(tfd)誘導体錯体,ジチオオキサラート(dto)誘導体錯体,オキサラート(ox)誘導体錯体,ジメチルグリオキシン(dmg)誘導体錯体,o-フェニレンジアミン(opd)誘導体錯体,ジチオオキサミド誘導体錯体,メタロセン誘導体錯体,5,6-ジヒドロ-1,4-ジチイン-2,3-ジチオラート(dddt)誘導体錯体,又は5,7-ジヒドロ-1,4,6-トリチイン-2,3-ジチオラート(dtdt)誘導体錯体であり,
前記酸化還元を担う部位は,前記電気伝導を担う部位からなる錯体に含まれる金属原子であり,前記金属原子は,フタロシアニン誘導体錯体に含まれる金属原子となるものであって,その酸化還元電位が電気伝導を担う部位の酸化還元電位より低いものである,
請求項1に記載の極小ワイヤー状分子集合体の製造方法。
- 前記有機金属錯体は,配位子を有するフタロシアニンであり,
前記有機金属錯体に含まれる金属原子は,鉄(II)原子である,
請求項2に記載の極小ワイヤー状分子集合体の製造方法。
- 前記有機金属錯体は,配位子を有するフタロシアニンであり,ここで前記配位子はCN,又はClであり,
前記有機金属錯体に含まれる金属原子は,鉄(II)原子である,
請求項2に記載の極小ワイヤー状分子集合体の製造方法。
- 前記「酸化還元を担う部位と,前記極小ワイヤー状分子集合体において電気伝導を担う部位とを含む溶液」は,[FeII(Pc)(CN)2]を含有する溶液である,
請求項1に記載の極小ワイヤー状分子集合体の製造方法。
- 前記「酸化還元を担う部位と,前記極小ワイヤー状分子集合体において電気伝導を担う部位とを含む溶液」は,ビス(トリフェニルホスホラニリデン)アンモニウム・[FeII(Pc)(CN)2]のアセトニトリル飽和溶液である,
請求項1に記載の極小ワイヤー状分子集合体の製造方法。
- フタロシアニン誘導体,フェロセン誘導体,又はポルフィリン誘導体を含み,単結晶の極小ワイヤー状分子集合体であって,
前記フタロシアニン誘導体,フェロセン誘導体,又はポルフィリン誘導体は,
錯体に含まれる金属原子と,配位子を有するフタロシアニン誘導体,フェロセン誘導体,又はポルフィリン誘導体であり,
前記金属原子は,フタロシアニン誘導体,フェロセン誘導体,ポルフィリン誘導体の中心金属原子となるものであって,配位子より酸化還元電位が低いものである,
バンド絶縁体型の極小ワイヤー状分子集合体。
- 前記フタロシアニン誘導体,フェロセン誘導体,ポルフィリン誘導体は,
ジシアノ鉄フタロシアニンからなる,
請求項10に記載の極小ワイヤー状分子集合体。
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WO2003076332A1 (fr) * | 2002-03-08 | 2003-09-18 | Communications Research Laboratory, Independent Administrative Institution | Dispositif et procede pour la realisation d'un nanofil conducteur |
JP2007005684A (ja) * | 2005-06-27 | 2007-01-11 | National Institute Of Information & Communication Technology | 導電性ナノワイヤーを用いたトランジスタ |
JP2007000991A (ja) * | 2005-06-27 | 2007-01-11 | National Institute Of Information & Communication Technology | 非導電性ナノワイヤー及びその製造方法 |
JP2010045124A (ja) * | 2008-08-11 | 2010-02-25 | National Institute Of Information & Communication Technology | 導電性ナノワイヤによる磁気スイッチング素子 |
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WO2003076332A1 (fr) * | 2002-03-08 | 2003-09-18 | Communications Research Laboratory, Independent Administrative Institution | Dispositif et procede pour la realisation d'un nanofil conducteur |
JP2007005684A (ja) * | 2005-06-27 | 2007-01-11 | National Institute Of Information & Communication Technology | 導電性ナノワイヤーを用いたトランジスタ |
JP2007000991A (ja) * | 2005-06-27 | 2007-01-11 | National Institute Of Information & Communication Technology | 非導電性ナノワイヤー及びその製造方法 |
JP2010045124A (ja) * | 2008-08-11 | 2010-02-25 | National Institute Of Information & Communication Technology | 導電性ナノワイヤによる磁気スイッチング素子 |
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