In(NO<sub>3</sub>)<sub>3</sub> Induced Tailoring of ZnO Nanorods' Optical Properties by Electrodeposition

Yang TANG

doi:10.3788/fgxb20204105.0571

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In(NO₃)₃ Induced Tailoring of ZnO Nanorods' Optical Properties by Electrodeposition

Synthesis and Properties of Materials | 更新时间：2020-09-21

- In(NO₃)₃ Induced Tailoring of ZnO Nanorods' Optical Properties by Electrodeposition
- Chinese Journal of Luminescence Vol. 41, Issue 5, Pages: 571-578(2020)
- 作者机构：
  
  1.国家能源集团绿色能源与建筑研究中心, 北京 102211
  2.北京低碳清洁能源研究院, 北京 102211
- 作者简介：
- 基金信息：
  
  Supported by National Natural Science Foundation of China(61404007);Beijing Talent
- DOI：10.3788/fgxb20204105.0571
  CLC： TM23
- Received：23 February 2020，
  
  Accepted：04 March 2020，
  
  Published：2020-05
- 稿件说明：
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Yang TANG. In(NO₃)₃ Induced Tailoring of ZnO Nanorods' Optical Properties by Electrodeposition[J]. Chinese journal of luminescence, 2020, 41(5): 571-578.
DOI：

Yang TANG. In(NO₃)₃ Induced Tailoring of ZnO Nanorods' Optical Properties by Electrodeposition[J]. Chinese journal of luminescence, 2020, 41(5): 571-578. DOI： 10.3788/fgxb20204105.0571.

摘要

为在新型太阳能电池等光电器件中应用ZnO纳米结构，需要对ZnO纳米结构阵列的几何形貌及光电物理性质进行裁剪与操控。采用电化学沉积路线制备ZnO纳米柱阵列，In（NO

）

与NH

两种盐类被溶入在传统Zn（NO

）

主电解液中。对ZnO纳米柱阵列进行扫描电子显微镜、透射反射光谱、光致发光光谱测试，分析其形貌与光电物理性质。随着引入的In（NO

）

浓度的增加，ZnO纳米柱阵列的平均直径随之由57 nm减小至30 nm。同时ZnO纳米柱的阵列密度也可降低，进而增大纳米柱间距至41 nm。由于新的盐类的引入，ZnO纳米柱的光学带隙由3.46 eV蓝移至3.55 eV。随着电解液中In（NO

）

的增加，ZnO纳米柱的斯托克斯位移由198 meV减小至154 meV，ZnO纳米柱中的非辐射复合可以得到一定程度的抑制。通过在主电解液中引入In（NO

）

与NH

两种盐类，可对ZnO纳米柱的直径、密度、间距、透射反射率、光学带隙、近带边发射与非辐射复合进行操控与裁剪。

Abstract

In order to implant ZnO nanostructures in new optoelectronic devices such as solar cells

it is necessary to tailor and control the ZnO nanorod arrays' morphology

optical and electrical properties. The ZnO nanorod arrays were fabricated by electrodeposition. In(NO

)

and NH

were incorporated in the basic Zn(NO

)

electrolytes. The characterizations of the ZnO nanorods including the scanning electron microscopy

tranmission spectra

reflection spectra and photoluminescence were used to analyze the ZnO nanorods' morphology

optical and electrical properties. The ZnO nanorods' average diameter was decreased from 57 nm to 30 nm with increasing the In(NO

)

concentration. The reduce of the ZnO nanorods' density resulted in the increase of the distance between nanorods to 41 nm. The ZnO nanorods' optical band showed blue shift from 3.46 eV to 3.55 eV. The Stokes shift in ZnO nanorods was reduced from 198 meV to 154 meV with the increase in the In(NO

)

concentration

indicating the suppression of the nonradiative recombination. The ZnO nanorods' physical properties such as the diameter

density

distance

transmission

reflection

optical band gap energy

near band edge emission and nonradiative recombination can be controlled and tailored by incorporating In(NO

)

and NH

in the basic Zn(NO

)

electrolytes.

关键词

Keywords

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⁰

In(NO3)3 Induced Tailoring of ZnO Nanorods' Optical Properties by Electrodeposition

DOI：10.3788/fgxb20204105.0571

摘要

Abstract

关键词

Keywords

references

In(NO₃)₃ Induced Tailoring of ZnO Nanorods' Optical Properties by Electrodeposition