Study of the reaction mechanism in hydrogen production using metal-free Schiff base as a catalyst

被引：3

作者：

Muena, Juan Pablo ^{[1
]}

Zamora, Pedro Pablo ^{[1
]}

Bieger, Klaus ^{[1
]}

Soliz, Alvaro ^{[2
]}

Haribabu, Jebiti ^{[3
,4
]}

Aguirre, Maria Jesus ^{[5
,9
]}

Marquez, Paulina ^{[6
,9
]}

Quezada, Diego ^{[7
]}

Honores, Jessica ^{[8
,9
]}

机构：

[1] Univ Atacama, Fac Ciencias Nat, Dept Quim & Biol, Av Copayapu 485, Copiapo 1530000, Chile

[2] Univ Atacama, Fac Ingn, Dept Ingn Met, Av Copayapu 485, Copiapo 1530000, Chile

[3] Univ Atacama, Fac Med, Los Carreras 1579, Copiapo 1532502, Chile

[4] Chennai Inst Technol CIT, Chennai 600069, India

[5] Univ Santiago de Chile USACH, Fac Quim & Biol, Dept Quim Mat, Ave B OHiggins 3363, Santiago, Chile

[6] Univ Cent Chile, Escuela Ingn, Santiago 8330601, Chile

[7] Univ Autonoma Chile, Fac Ingn, Inst Ciencias Aplicadas, El Llano Subercaseaux 2801,5 Piso, Santiago, Chile

[8] Pontificia Univ Catolica Chile, Fac Quim & Farm, Av Vicuna Mackenna 4860, Santiago, Chile

[9] Millennium Inst Green Ammonia Energy Vector MIGA, ANID Millennium Sci Initiat Program ICN2021 023, Santiago, Chile

来源：

JOURNAL OF MOLECULAR LIQUIDS | 2023年 / 391卷

关键词：

Hydrogen production; Schiff base; Catalyst; DFT calculations; Mechanistic studies; TRANSITION-METAL; EVOLUTION; COMPLEXES; COBALT; REDUCTION;

D O I：

10.1016/j.molliq.2023.123207

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Understanding the hydrogen evolution reaction and its mechanism is crucial for numerous practical applications in the realm of green energy. The development and discovery of new technologies or alternatives hold great significance in generating hydrogen at a low cost. In this study, we propose a novel catalyst, N, N'-bis(2-hydroxy1-naphthaldehyde)-o-phenylenediamine ([naph]2-o-ph), which is a Schiff base, for hydrogen production. The novelty lies in utilizing the organic Schiff base system and the proposed mechanism for hydrogen evolution, involving protonation and electron exchange on the Schiff base. Both experimental and theoretical results highlight the high capability of the Schiff base in generating hydrogen, providing valuable insights for potential applications in water electrolysis.

引用

页数：8

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