Palladium (0) nanoparticles distributed on lanthanum (III) oxide as an effective catalyst for the methanolysis of hydrazine-borane to produce hydrogen.

IF 1.3 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY Turkish Journal of Chemistry Pub Date : 2024-01-03 eCollection Date: 2024-01-01 DOI:10.55730/1300-0527.3646

Adem Rüzgar, Lokman Şener, Yaşar Karataş, Mehmet Gülcan

{"title":"Palladium (0) nanoparticles distributed on lanthanum (III) oxide as an effective catalyst for the methanolysis of hydrazine-borane to produce hydrogen.","authors":"Adem Rüzgar, Lokman Şener, Yaşar Karataş, Mehmet Gülcan","doi":"10.55730/1300-0527.3646","DOIUrl":null,"url":null,"abstract":"Pd (0) nanoparticles (NPs) distributed on lanthanum (III) oxide were ex situ generated from the reduction of Pd2+ ions using NaBH4 as reducing agent. The Pd/La2O3 displayed good catalytic activity in H2(g) releasing from the hydrazine-borane (HB) methanolysis reaction and it was identified by advanced techniques. Pd/La2O3 was found to be an active catalyst procuring three equiv. H2(g) per mole of HB. The results from TEM images represent the formation of Pd (0) NPs with an average particle size of 1.94 ± 0.1 nm on the surface of La2O3. Moreover, Pd/La2O3 with various Pd loadings were prepared and tested as catalyst in the methanolysis reaction to find the optimum metal loading on La2O3 support. The highest H2 formation rate was achieved with 3.0 wt% Pd. Pd/La2O3 catalyst exhibited a turnover frequency (TOF) value of 24.4 mol H2 mol Pd-1 min-1 in the reaction conditions. Additionally, the effect of different catalyst concentrations and temperatures on the reaction kinetics for the methanolysis of HB catalyzed by Pd/La2O3.","PeriodicalId":23367,"journal":{"name":"Turkish Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":1.3000,"publicationDate":"2024-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10965170/pdf/","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Turkish Journal of Chemistry","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.55730/1300-0527.3646","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2024/1/1 0:00:00","PubModel":"eCollection","JCR":"Q3","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}

引用次数: 0

Abstract

Pd (0) nanoparticles (NPs) distributed on lanthanum (III) oxide were ex situ generated from the reduction of Pd²⁺ ions using NaBH₄ as reducing agent. The Pd/La₂O₃ displayed good catalytic activity in H₂(g) releasing from the hydrazine-borane (HB) methanolysis reaction and it was identified by advanced techniques. Pd/La₂O₃ was found to be an active catalyst procuring three equiv. H₂(g) per mole of HB. The results from TEM images represent the formation of Pd (0) NPs with an average particle size of 1.94 ± 0.1 nm on the surface of La₂O₃. Moreover, Pd/La₂O₃ with various Pd loadings were prepared and tested as catalyst in the methanolysis reaction to find the optimum metal loading on La₂O₃ support. The highest H₂ formation rate was achieved with 3.0 wt% Pd. Pd/La₂O₃ catalyst exhibited a turnover frequency (TOF) value of 24.4 mol H₂ mol Pd^-1 min^-1 in the reaction conditions. Additionally, the effect of different catalyst concentrations and temperatures on the reaction kinetics for the methanolysis of HB catalyzed by Pd/La₂O₃.

查看原文

微信好友朋友圈 QQ好友复制链接

本刊更多论文

分布在氧化镧（III）上的钯（0）纳米粒子是肼硼烷甲醇化制氢的有效催化剂。

以 NaBH4 为还原剂，通过还原 Pd2+ 离子，在氧化镧 (III) 上原位生成了分布在氧化镧 (III) 上的 Pd (0) 纳米粒子 (NPs)。Pd/La2O3 在肼-硼烷（HB）甲醇分解反应中释放 H2(g) 的过程中表现出良好的催化活性，并通过先进技术对其进行了鉴定。研究发现，Pd/La2O3 是一种活性催化剂，每摩尔 HB 可产生三当量 H2（g）。TEM 图像结果表明，在 La2O3 表面形成了平均粒径为 1.94 ± 0.1 nm 的 Pd (0) NPs。此外，制备并测试了不同钯负载量的 Pd/La2O3 作为甲醇分解反应的催化剂，以找出 La2O3 载体上的最佳金属负载量。3.0 wt% Pd 的 H2 生成率最高。在反应条件下，Pd/La2O3 催化剂的翻转频率 (TOF) 值为 24.4 mol H2 mol Pd-1 min-1。此外，不同催化剂浓度和温度对 Pd/La2O3 催化 HB 甲烷化反应动力学的影响也不同。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

求助全文

约1分钟内获得全文去求助

来源期刊

Turkish Journal of Chemistry 化学-工程：化工

CiteScore

2.40

自引率

7.10%

发文量

审稿时长

3 months

期刊介绍： The Turkish Journal of Chemistry is a bimonthly multidisciplinary journal published by the Scientific and Technological Research Council of Turkey (TÜBİTAK). The journal is dedicated to dissemination of knowledge in all disciplines of chemistry (organic, inorganic, physical, polymeric, technical, theoretical and analytical chemistry) as well as research at the interface with other sciences especially in chemical engineering where molecular aspects are key to the findings. The journal accepts English-language original manuscripts and contribution is open to researchers of all nationalities. The journal publishes refereed original papers, reviews, letters to editor and issues devoted to special fields. All manuscripts are peer-reviewed and electronic processing ensures accurate reproduction of text and data, plus publication times as short as possible.