DataVXACS Applied Materials & InterfacesPaper
journal article·2018-04-11

Heterostructured TiO2/NiTiO3 Nanorod Arrays for Inorganic Sensitized Solar Cells with Significantly Enhanced Photovoltaic Performance and Stability

Yue-Ying Li, Jian-Gan Wang, Huan-Huan Sun, Bingqing Wei

ACS Applied Materials & Interfaces· Volume 10· Issue 14
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Source abstract

Abstract

Organic dyes used in the conventional dye-sensitized solar cells (DSSCs) suffer from poor light stability and high cost. In this work, we demonstrate a new inorganic sensitized solar cell based on ordered one-dimensional semiconductor nanorod arrays of TiO2/NiTiO3 (NTO) heterostructures prepared via a facile two-step hydrothermal approach. The semiconductor heterostructure arrays are highly desirable and promising for DSSCs because of their direct charge transport capability and slow charge recombination rate. The low-cost NTO inorganic semiconductor possesses an appropriate band gap that matches well with TiO2, which behaves like a "dye" to enable efficient light harvesting and fast electron-hole separation. The solar cells constructed by the ordered TiO2/NTO heterostructure photoanodes show a significantly improved power conversion efficiency, high fill factor, and more promising, outstanding life stability. The present work will open up an avenue to design heterostructured inorganics for high-performance solar cells.
Source: europepmc · Quality: candidate unverified · Source record ↗

Research context

NanomaterialsElectronic materials

OpenAlex topics: TiO2 Photocatalysis and Solar Cells · Advanced Photocatalysis Techniques · Quantum Dots Synthesis And Properties

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene (NPU), Xi’an 710072, China

Department of Mechanical Engineering, University of Delaware, Newark, Delaware 19716, United States

Funding

State Administration of Foreign Experts Affairs · Ministry of Education of the People's Republic of China · Ministry of Human Resources and Social Security · National Natural Science Foundation of China · Northwestern Polytechnical University · State Key Laboratory of Control and Simulation of Power System and Generation Equipment, Tsinghua University · State Key Laboratory of Solidification Processing, Northwestern Polytechnical University

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