Enantiospecific electrodeposition of chiral CuO films on Cu(110) from aqueous Cu(II) tartrate and amino acid complexes

Eric W. Bohannan; Igor M. Nicic; Hiten M. Kothari; Jay A. Switzer

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Enantiospecific electrodeposition of chiral CuO films on Cu(110) from aqueous Cu(II) tartrate and amino acid complexes

机译：酒石酸铜（II）水溶液和氨基酸配合物在铜（110）上手性CuO薄膜的对映体电沉积

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摘要

CuO films were anodically electrodeposited onto Cu(1 10) single crystals from alkaline solutions of Cu(II) complexed with tartrate, alanine, valine, and glycine. In all cases the films were epitaxial, exhibiting varying amounts of the chiral orientations (110) and (1{top}- 1{top}- 0). The enantiomeric excess (ee) of the chiral electrodeposition process was determined by X-ray pole figure analysis. The CuO films deposited from D-tartrate solution exhibited a (110) out-of-plane orientation with an ee of 61%, while films grown from L-tartrate exhibited a (1{top}- 1{top}- 0) orientation with an ee of 77%. The CuO film deposited from achiral meso-tartrate had essentially equal amounts of both chiral orientations. Epitaxial CuO films deposited from D-alanine and D-valine both gave (1{top}- 1{top}- 0) orientation with ee's of 40 and 65%, respectively, while CuO films deposited from L-alanine and L-valine gave (110) orientations with ee's of 39 and 67%, respectively. Films obtained from a glycine solution showed roughly equal amounts of both chiral orientations.

机译：将CuO膜从与酒石酸盐，丙氨酸，缬氨酸和甘氨酸复合的Cu（II）碱性溶液中阳极电沉积到Cu（1 10）单晶上。在所有情况下，膜都是外延的，表现出不同量的手性取向（110）和（1 {top} -1 {top} -0）。通过X射线极图分析来确定手性电沉积过程的对映体过量（ee）。从酒石酸D溶液沉积的CuO薄膜具有（110）平面外取向，ee值为61％，而从酒石酸L生长的薄膜表现出（1 {top} -1 {top} -0）取向ee为77％。从非手性中酒石酸酯沉积的CuO膜的两个手性取向的量基本相等。由D-丙氨酸和D-缬氨酸沉积的外延CuO薄膜均具有（1 {top} -1 {top} -0）取向，ee分别为40％和65％，而由L-丙氨酸和L-缬氨酸沉积的CuO薄膜给出（110）方向，其ee分别为39％和67％。从甘氨酸溶液获得的膜显示出两个手性取向的量大致相等。

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《Electrochimica Acta》 |2007年第1期|共6页
作者
Eric W. Bohannan; Igor M. Nicic; Hiten M. Kothari; Jay A. Switzer;
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正文语种 eng
中图分类电化学工业;物理化学（理论化学）、化学物理学;
关键词
Electrodeposition; Chiral films; Copper oxide; X-ray diffraction;

机译：电沉积;手性膜;氧化铜;X射线衍射;

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专利

1. Enantiospecific electrodeposition of chiral CuO films on Cu(110) from aqueous Cu(II) tartrate and amino acid complexes [J] . Eric W. Bohannan, Igor M. Nicic, Hiten M. Kothari, Electrochimica Acta . 2007,第1期

机译：酒石酸铜（II）水溶液和氨基酸配合物在铜（110）上手性CuO薄膜的对映体电沉积
2. Enantiospecific Electrodeposition of Chiral CuO Films on Single-Crystal Cu(111) [J] . Eric W. Bohannan, Hiten M. Kothari, Igor M. Nicic, Journal of the American Chemical Society . 2004,第2期

机译：单晶Cu（111）上手性CuO薄膜的对映体电沉积
3. Chiral separation of amino acids and glycyl dipeptides by chiral ligand-exchange capillary electrophoresis comparing Cu(II), Co(II), Ni(II) and Zn(II) complexes of three different sugar acids [J] . Hodl H, Schmid MG, Gubitz G Journal of chromatography, A: Including electrophoresis and other separation methods . 2008,第2期

机译：通过手性配体交换毛细管电泳手性分离氨基酸和糖基二肽，比较三种不同糖酸的Cu（II），Co（II），Ni（II）和Zn（II）配合物
4. Chiral Assembly of Cu(II)-complexes within Glycol Nucleic Acids [C] . J.Christian Leon, Manabu Nakaya, YusukeTakezawa 日本化学会春季年会 . 2020

机译：Cu（II）的手性组装 - 乙二醇核酸内的复合物
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6. Light-IrradiatedElectrochemical Direct Constructionof Cu2O/CuO Bilayers by Switching Cathodic/Anodic Polarizationin Copper(II)–Tartrate Complex Aqueous Solution [O] . Masanobu Izaki, Takayuki Koyama, Pei Loon Khoo, 2020

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Enantiospecific electrodeposition of chiral CuO films on Cu(110) from aqueous Cu(II) tartrate and amino acid complexes

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