通过银、金、铂掺杂对TiO2进行光催化增强

IF 9.5 Q1 ENERGY & FUELS

Energy nexus Pub Date : 2025-07-18 DOI:10.1016/j.nexus.2025.100495

Muhammad Numan Nawaz , Zhengjun Zhang , Weifang Yuan , Sadaf Bashir Khan

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引用次数: 0

摘要

由于经济的不断发展和人口的迅速增长，能源和环境问题引起了相当大的注意。光催化（绿色能源）具有解决环境和能源问题的潜力，在能源转化中发挥着重要作用。半导体过渡金属二氧化钛（TiO2）自1972年被发现以来，由于其具有良好的光催化、自清洁、抗真菌、抗菌和电子性能，在材料科学领域引起了极大的关注。在光电化学电池中将水分解为氢和氧的第一次实际应用引发了半导体光催化装置的发展。虽然它的整体太阳活动很小，但由于其广泛的能带隙（3.0 ~ 3.20）eV)，它在紫外光下具有预期的性能。基于tio2的光催化材料在稳定性和光生成方面优于其他材料，因为它们是廉价且无毒的材料。在这篇综述中，我们探讨了各种掺杂剂对TiO2基纳米材料的理化和光催化性能的影响。特别强调的是通过各种合成技术将金属和非金属元素结合到TiO2晶格中，旨在提高可见光照射下的光催化性能。尽管取得了令人鼓舞的成果，但在合成过程中仍存在一些挑战，包括结构不一致和相变。通过综合表征技术，我们研究了掺杂TiO2在环境修复、水净化、抗菌和节能方面的增强功能性能。二氧化钛基纳米复合材料优异的结晶度和可调性能使其成为下一代光催化应用的有希望的候选者。这篇综述整合了最近的进展，并提供了旨在提高tio2基体系可见光驱动光催化效率的创新策略的见解。

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Photocatalytic enhancement of TiO2 through silver, gold, and platinum doping

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Photocatalytic enhancement of TiO2 through silver, gold, and platinum doping

Energy and environmental problems have generated considerable attention due to the increased economic development and rapid population growth. Photo-catalysis (green energy) plays a significant role in energy conversion because of its potential to resolve environmental and energy problems. Due to its promising photo-catalytic, self-cleaning, antifungal, antimicrobial, and electronic properties, the semiconductor transition metal Titanium dioxide (TiO₂), after its discovery in 1972, has garnered significant attention in materials science. The first real-world application of splitting water into hydrogen and oxygen in the photo-electrochemical cell triggered the development of semiconductor photo-catalysis devices. Although its overall solar activity is minimal, it possesses the anticipated performance under UV light because of its extensive energy bandgap (3.0∼3.20) eV. TiO₂-based photocatalytic materials outperform others in terms of stability and photo-generation because they are inexpensive and non-toxic materials. In this review, we explore the influence of various dopants on the physicochemical and photocatalytic properties of TiO₂ –based nanomaterials. Particular emphasis is placed on incorporating metal and non-metal elements into the TiO₂ lattice through diverse synthesis techniques aimed at enhancing photocatalytic performance under visible light irradiation. Despite the promising outcomes, several challenges persist during the synthesis process, including structural inconsistencies and phase transformation. Through comprehensive characterization techniques, we investigate the enhanced functional performance of doped TiO₂ in environmental remediation, water purification, antibacterial applications, and energy conservation. The exceptional crystallinity and tunable properties of TiO₂-based nanocomposites make them promising candidates for next-generation photocatalytic applications. This review consolidates recent advancements and offers insights into innovative strategies aimed at enhancing the visible-light-driven photocatalytic efficiency of TiO₂-based systems.

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来源期刊

Energy nexus Energy (General), Ecological Modelling, Renewable Energy, Sustainability and the Environment, Water Science and Technology, Agricultural and Biological Sciences (General)

CiteScore

7.70

自引率

0.00%

发文量

审稿时长

109 days