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锌季铵盐辅助有效调控ZnO表面晶面以增强光致发光性能

Effective Regulation of ZnO Surface Facets for Enhanced Photoluminescence Properties Assisted by Zinc Quaternary Ammonium Salts.

作者信息

Song Bo, Xie Yun, Cui Xia, Zhan Guangyao, Mao Jing, Fan Changzeng, Shao Yijiang, Sun Yueming, Wang Yuqiao

机构信息

Hefei Technology College, Hefei 238000, China.

Changzhou Huawei Electronics Co. Ltd., Changzhou 213144, China.

出版信息

ACS Omega. 2021 Jun 29;6(27):17455-17463. doi: 10.1021/acsomega.1c01841. eCollection 2021 Jul 13.

DOI:10.1021/acsomega.1c01841
PMID:34278131
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8280691/
Abstract

Novel ZnO twined-mushroom structures highly exposed in (001̅) planes were fabricated via a facile solvothermal synthesis with assistance of a zinc quaternary ammonium salt in the methanol-water solvent to show enhanced photoluminescence properties. A series of ZnO morphologies regulated with different surface facets were obtained in both MeOH-HO and EtOH MeOH-HO solvents respectively, tuning the proportion of alcohol. The self-aggregation mechanism was proposed based on the time-controlled experiment to evaluate the formation of twined-mushroom structures. The selective adsorptions of anions from zinc salt precursors determine the shape of subunits and direct the subunits, which act as building blocks to form the order aggregations.

摘要

通过在甲醇 - 水溶剂中借助锌季铵盐进行简便的溶剂热合成，制备出了在（001̅）平面高度暴露的新型ZnO双螺旋蘑菇结构，以展现出增强的光致发光特性。分别在MeOH - HO和EtOH - MeOH - HO溶剂中通过调节醇的比例获得了一系列具有不同表面晶面的ZnO形貌。基于时间控制实验提出了自聚集机制，以评估双螺旋蘑菇结构的形成。锌盐前驱体中阴离子的选择性吸附决定了亚基的形状并引导亚基，这些亚基作为构建块形成有序聚集体。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2219/8280691/d1c52b8c6f24/ao1c01841_0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2219/8280691/ac60b4885dc5/ao1c01841_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2219/8280691/7678341b7b3b/ao1c01841_0003.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2219/8280691/e67e9b7c1988/ao1c01841_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2219/8280691/5f7c265c94fa/ao1c01841_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2219/8280691/e33238534b9a/ao1c01841_0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2219/8280691/4eb79e7e5551/ao1c01841_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2219/8280691/d1c52b8c6f24/ao1c01841_0008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2219/8280691/ac60b4885dc5/ao1c01841_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2219/8280691/7678341b7b3b/ao1c01841_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2219/8280691/db7fb2d10abd/ao1c01841_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2219/8280691/e67e9b7c1988/ao1c01841_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2219/8280691/5f7c265c94fa/ao1c01841_0006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2219/8280691/e33238534b9a/ao1c01841_0009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2219/8280691/4eb79e7e5551/ao1c01841_0007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2219/8280691/d1c52b8c6f24/ao1c01841_0008.jpg

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