Bui Vu Khac Hoang, Nguyen Thang Phan
Department of Environment and Energy, Sejong University, Seoul 05006, Republic of Korea.
Department of Chemical and Biological Engineering, Gachon University, Seongnam-si 13120, Gyeonggi-do, Republic of Korea.
Polymers (Basel). 2023 Nov 17;15(22):4443. doi: 10.3390/polym15224443.
Huge energy consumption and running out of fossil fuels has led to the advancement of renewable sources of power, including solar, wind, and tide. Among them, solar cells have been well developed with the significant achievement of silicon solar panels, which are popularly used as windows, rooftops, public lights, etc. In order to advance the application of solar cells, a flexible type is highly required, such as layered casting solar cells (LCSCs). Organic solar cells (OSCs), perovskite solar cells (PSCs), or dye-sensitive solar cells (DSSCs) are promising LCSCs for broadening the application of solar energy to many types of surfaces. LCSCs would be cost-effective, enable large-scale production, are highly efficient, and stable. Each layer of an LCSC is important for building the complete structure of a solar cell. Within the cell structure (active material, charge carrier transport layer, electrodes), hole transport layers (HTLs) play an important role in transporting holes to the anode. Recently, diverse HTLs from inorganic, organic, and organometallic materials have emerged to have a great impact on the stability, lifetime, and performance of OSC, PSC, or DSSC devices. This review summarizes the recent advances in the development of inorganic, organic, and organometallic HTLs for solar cells. Perspectives and challenges for HTL development and improvement are also highlighted.
巨大的能源消耗以及化石燃料的枯竭促使了包括太阳能、风能和潮汐能在内的可再生能源的发展。其中，太阳能电池已经得到了很好的发展，硅太阳能板取得了显著成就，被广泛用作窗户、屋顶、路灯等。为了推进太阳能电池的应用，迫切需要一种柔性类型的电池，例如层铸太阳能电池（LCSC）。有机太阳能电池（OSC）、钙钛矿太阳能电池（PSC）或染料敏化太阳能电池（DSSC）是很有前景的层铸太阳能电池，可将太阳能的应用扩展到多种类型的表面。层铸太阳能电池将具有成本效益，能够大规模生产，效率高且稳定。层铸太阳能电池的每一层对于构建太阳能电池的完整结构都很重要。在电池结构（活性材料、电荷载流子传输层、电极）中，空穴传输层（HTL）在将空穴传输到阳极方面起着重要作用。最近，来自无机、有机和有机金属材料的各种空穴传输层不断涌现，对有机太阳能电池、钙钛矿太阳能电池或染料敏化太阳能电池器件的稳定性、寿命和性能产生了重大影响。本综述总结了用于太阳能电池的无机、有机和有机金属空穴传输层开发的最新进展。还强调了空穴传输层开发和改进的前景与挑战。
