增强光催化水分离混合战略的进展:衔接传统方法和新兴方法

IF 11.9 1区 物理与天体物理 Q1 PHYSICS, APPLIED Applied physics reviews Pub Date : 2024-10-08 DOI:10.1063/5.0218539
Sandeep Kumar Lakhera, K. Priyanga Kangeyan, Crescentia Yazhini S, Shiny Golda A, Neppolian Bernaurdshaw
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引用次数: 0

摘要

过去五十年来,人们一直致力于通过光催化水分离(PWS)制氢。然而,在 PWS 系统中实现商业上可行的太阳能-氢气转换效率仍然遥遥无期。这些系统面临着内在和外在的挑战,例如光吸收不足、电荷分离不充分、氧化还原活性位点有限、表面积低以及实际设计中的可扩展性问题。为解决这些问题,人们广泛采用了传统策略,包括异质结工程、等离子体、杂化、晶格缺陷、敏化和上转换过程。最近,又出现了光子晶体辅助和偏振场辅助 PWS 等创新混合策略,这些策略通过利用慢光子效应、多重光散射以及材料的压电、热释电和铁电特性来改善光吸收和电荷分离。这篇综述文章旨在全面考察和总结这些新型协同混合方法,将等离子效应、上转换过程和光子晶体光催化融为一体。文章还探讨了温度在光热光催化过程中抑制激子重组的作用。本文还重点介绍了磁场效应、周期性照明、多体大空穴极子和无极子激发等新兴策略,这些策略在推进 PWS 技术和促进可再生制氢方面具有巨大潜力。
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Advances in hybrid strategies for enhanced photocatalytic water splitting: Bridging conventional and emerging methods
Significant efforts have been dedicated to hydrogen production through photocatalytic water splitting (PWS) over the past five decades. However, achieving commercially viable solar-to-hydrogen conversion efficiency in PWS systems remains elusive. These systems face intrinsic and extrinsic challenges, such as inadequate light absorption, insufficient charge separation, limited redox active sites, low surface area, and scalability issues in practical designs. To address these issues, conventional strategies including heterojunction engineering, plasmonics, hybridization, lattice defects, sensitization, and upconversion processes have been extensively employed. More recently, innovative hybrid strategies like photonic crystal-assisted and polarization field-assisted PWS have emerged, which improve light absorption and charge separation by harnessing the slow photon effect, multiple light scattering, and the piezoelectric, pyroelectric, and ferroelectric properties of materials. This review article aims to provide a comprehensive examination and summary of these new synergistic hybrid approaches, integrating plasmonic effects, upconversion processes, and photonic crystal photocatalysis. It also explores the role of temperature in suppressing exciton recombination during photothermic photocatalysis. This article also highlights emerging strategies such as the effects of magnetic fields, periodic illumination, many-body large-hole polaron, and anapole excitations, which hold significant potential to advance PWS technology and facilitate renewable hydrogen generation.
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来源期刊
Applied physics reviews
Applied physics reviews PHYSICS, APPLIED-
CiteScore
22.50
自引率
2.00%
发文量
113
审稿时长
2 months
期刊介绍: Applied Physics Reviews (APR) is a journal featuring articles on critical topics in experimental or theoretical research in applied physics and applications of physics to other scientific and engineering branches. The publication includes two main types of articles: Original Research: These articles report on high-quality, novel research studies that are of significant interest to the applied physics community. Reviews: Review articles in APR can either be authoritative and comprehensive assessments of established areas of applied physics or short, timely reviews of recent advances in established fields or emerging areas of applied physics.
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