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首页> 外文期刊>The Open Nanoscience Journal >Nano-TiO2 for Solar Cells and Photocatalytic Water Splitting:Scientific and Technological Challenges for Commercialization
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Nano-TiO2 for Solar Cells and Photocatalytic Water Splitting:Scientific and Technological Challenges for Commercialization

机译：用于太阳能电池和光催化水分解的纳米二氧化钛：商业化的科学技术挑战

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摘要

Nanosized titanium dioxide (nano-TiO2) particles are used in diverse products and devices, includingphotocatalytic water splitting and solar cells whose successful commercialization is still facing scientific and technologicalchallenges.Particularly, dye-sensitized solar cells (DSSCs) have recently attracted a lot of attention. The number of papers andpatents published in this area has grown exponentially over the last ten years. However, at the present, commercialdevices are of small sizes and produced in limited quantities, thus addressing niche markets. Research efforts have largelyfocused on the optimization of the dye, but the TiO2 nanocrystalline electrode itself also needs to be optimized. It has beenshown that particle size and shape, crystallinity, surface morphology and chemistry of the TiO2 material are keyparameters to be controlled for enhanced performance of the cell. This article gives an overview of the state-of-the-art onnano-TiO2 for applications in photocatalytic water splitting and, more specifically, in DSSCs. After a brief analysis of thecommercial perspectives of DSSCs and of the remaining challenges for their successful commercialization, our approachto the control of the nano-TiO2 surface chemistry for improvement of the DSSC performance is briefly introduced.
机译：纳米二氧化钛（nano-TiO2）颗粒用于多种产品和设备中，包括光催化水分解和太阳能电池，其成功的商业化仍面临科学和技术挑战。尤其是染料敏化太阳能电池（DSSC）最近受到了广泛关注。在过去十年中，该领域发表的论文和专利数量呈指数增长。然而，目前，商用设备尺寸小并且生产数量有限，从而进入了利基市场。研究工作主要集中在染料的优化上，但是TiO2纳米晶体电极本身也需要进行优化。已经表明，TiO 2材料的粒径和形状，结晶度，表面形态和化学性质是要控制的，以增强电池性能的关键参数。本文概述了用于光催化水分解，尤其是DSSC中的最新技术的纳米TiO2。在简要分析了DSSC的商业前景以及成功实现商业化所面临的挑战之后，简要介绍了我们控制纳米TiO2表面化学以改善DSSC性能的方法。

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