Facile synthesis of Cu2O nanocubes in triblock copolymer solutions

Jinhua Jiang; Qiuming Gao

doi:10.4028/3-908451-30-2.275

Facile synthesis of Cu₂O nanocubes in triblock copolymer solutions

Jinhua Jiang
, Qiuming Gao^*

^*Corresponding author for this work

University of Chinese Academy of Sciences

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Cuprous oxide and related materials in nanosizes are of much interest and investigated extensively recently. It is reported here that cubic Cu ₂O nanocubes were synthesized successfully in aqueous solutions at room temperature in air condition. Copper (II) salts in water were reduced with ascorbate acid in air, using the nonionic pluronic amphiphilic triblock copolymer EO₂₀PO₇₀EO₂₀ (P123) as the template-directing and protecting agent. The average edge length of the cubes varied from 50 to 100 nm. Transmission electron microscopy (TEM) has been used for the shape and structural characterization of the obtained Cu₂O nanocubes. The UV-Vis spectra showed an obvious blue-shift (0.53 eV), compared to the band gap of the bulk Cu₂O crystal, which makes it a promising candidate in solar energy conversion since this sample can make use of higher energy visible rays of solar spectrum. In the FT-IR spectra the peak of Cu-O bond for the Cu₂O is clearly distinguished and several weak peaks of the C-H, C-C and C=O bonds for the organic species can also be detectable, implying a little P123 residua in the products. The effect of the triblock copolymer P123 on the growth of the Cu₂O nanocubes is discussed.

Original language	English
Title of host publication	Nanoscience and Technology
Publisher	Trans Tech Publications Ltd
Pages	275-278
Number of pages	4
Edition	PART 1
ISBN (Print)	3908451302, 9783908451303
DOIs	https://doi.org/10.4028/3-908451-30-2.275
State	Published - 2007
Externally published	Yes
Event	China International Conference on Nanoscience and Technology, ChinaNANO 2005 - Beijing, China Duration: 9 Jun 2005 → 11 Jun 2005

Publication series

Name	Solid State Phenomena
Number	PART 1
Volume	121-123
ISSN (Print)	1012-0394

Conference

Conference	China International Conference on Nanoscience and Technology, ChinaNANO 2005
Country/Territory	China
City	Beijing
Period	9/06/05 → 11/06/05

Keywords

Cuprous oxide
Energy conversion
Nanocubes
P123

Access to Document

10.4028/3-908451-30-2.275

Cite this

@inproceedings{f173db6ce9e64dda8a16c0f9b8b6ce98,

title = "Facile synthesis of Cu2O nanocubes in triblock copolymer solutions",

abstract = "Cuprous oxide and related materials in nanosizes are of much interest and investigated extensively recently. It is reported here that cubic Cu 2O nanocubes were synthesized successfully in aqueous solutions at room temperature in air condition. Copper (II) salts in water were reduced with ascorbate acid in air, using the nonionic pluronic amphiphilic triblock copolymer EO20PO70EO20 (P123) as the template-directing and protecting agent. The average edge length of the cubes varied from 50 to 100 nm. Transmission electron microscopy (TEM) has been used for the shape and structural characterization of the obtained Cu2O nanocubes. The UV-Vis spectra showed an obvious blue-shift (0.53 eV), compared to the band gap of the bulk Cu2O crystal, which makes it a promising candidate in solar energy conversion since this sample can make use of higher energy visible rays of solar spectrum. In the FT-IR spectra the peak of Cu-O bond for the Cu2O is clearly distinguished and several weak peaks of the C-H, C-C and C=O bonds for the organic species can also be detectable, implying a little P123 residua in the products. The effect of the triblock copolymer P123 on the growth of the Cu2O nanocubes is discussed.",

keywords = "Cuprous oxide, Energy conversion, Nanocubes, P123",

author = "Jinhua Jiang and Qiuming Gao",

year = "2007",

doi = "10.4028/3-908451-30-2.275",

language = "英语",

isbn = "3908451302",

series = "Solid State Phenomena",

publisher = "Trans Tech Publications Ltd",

number = "PART 1",

pages = "275--278",

booktitle = "Nanoscience and Technology",

address = "瑞士",

edition = "PART 1",

note = "China International Conference on Nanoscience and Technology, ChinaNANO 2005 ; Conference date: 09-06-2005 Through 11-06-2005",

}

Jiang, J & Gao, Q 2007, Facile synthesis of Cu₂O nanocubes in triblock copolymer solutions. in Nanoscience and Technology. PART 1 edn, Solid State Phenomena, no. PART 1, vol. 121-123, Trans Tech Publications Ltd, pp. 275-278, China International Conference on Nanoscience and Technology, ChinaNANO 2005, Beijing, China, 9/06/05. https://doi.org/10.4028/3-908451-30-2.275

TY - GEN

T1 - Facile synthesis of Cu2O nanocubes in triblock copolymer solutions

AU - Jiang, Jinhua

AU - Gao, Qiuming

PY - 2007

Y1 - 2007

N2 - Cuprous oxide and related materials in nanosizes are of much interest and investigated extensively recently. It is reported here that cubic Cu 2O nanocubes were synthesized successfully in aqueous solutions at room temperature in air condition. Copper (II) salts in water were reduced with ascorbate acid in air, using the nonionic pluronic amphiphilic triblock copolymer EO20PO70EO20 (P123) as the template-directing and protecting agent. The average edge length of the cubes varied from 50 to 100 nm. Transmission electron microscopy (TEM) has been used for the shape and structural characterization of the obtained Cu2O nanocubes. The UV-Vis spectra showed an obvious blue-shift (0.53 eV), compared to the band gap of the bulk Cu2O crystal, which makes it a promising candidate in solar energy conversion since this sample can make use of higher energy visible rays of solar spectrum. In the FT-IR spectra the peak of Cu-O bond for the Cu2O is clearly distinguished and several weak peaks of the C-H, C-C and C=O bonds for the organic species can also be detectable, implying a little P123 residua in the products. The effect of the triblock copolymer P123 on the growth of the Cu2O nanocubes is discussed.

AB - Cuprous oxide and related materials in nanosizes are of much interest and investigated extensively recently. It is reported here that cubic Cu 2O nanocubes were synthesized successfully in aqueous solutions at room temperature in air condition. Copper (II) salts in water were reduced with ascorbate acid in air, using the nonionic pluronic amphiphilic triblock copolymer EO20PO70EO20 (P123) as the template-directing and protecting agent. The average edge length of the cubes varied from 50 to 100 nm. Transmission electron microscopy (TEM) has been used for the shape and structural characterization of the obtained Cu2O nanocubes. The UV-Vis spectra showed an obvious blue-shift (0.53 eV), compared to the band gap of the bulk Cu2O crystal, which makes it a promising candidate in solar energy conversion since this sample can make use of higher energy visible rays of solar spectrum. In the FT-IR spectra the peak of Cu-O bond for the Cu2O is clearly distinguished and several weak peaks of the C-H, C-C and C=O bonds for the organic species can also be detectable, implying a little P123 residua in the products. The effect of the triblock copolymer P123 on the growth of the Cu2O nanocubes is discussed.

KW - Cuprous oxide

KW - Energy conversion

KW - Nanocubes

KW - P123

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