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EAGER: Interface Engineering for Low-Temperature Process and Stable Organometal Perovskite Solar Cells

EAGER：低温工艺和稳定有机金属钙钛矿太阳能电池的界面工程

基本信息

批准号：
1748101
负责人：
Qiuming Yu
金额：
$ 15万
依托单位：
University of Washington
依托单位国家：
美国
项目类别：
Standard Grant
财政年份：
2017
资助国家：
美国
起止时间：
2017-08-15 至 2019-06-30
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=1748101&HistoricalAwards=false
关键词：
EAGER Interface Engineering Low Temperature

项目摘要

Photovoltaic (PV) technology is a promising method to convert sustainable solar energy into electricity. In order to further lower the cost of solar electricity, increasing efficiency of solar cells, and therefore solar cell modules, becomes more critical because the same power target can be reached with the installation of fewer modules. Recently, organometal halide perovskites have attracted considerable attention as promising PV materials because of the rapid increase in single-junction record efficiencies to exceed 20%, their simple device structures, and the possibility for roll-to-roll low-cost manufacturing on flexible substrates. However, achieving high performance via a low-temperature manufacture process and long-term solar cell stability is still challenging for solar cells based on organometal halide perovskites. This research project seeks to gain fundamental knowledge supporting the discovery of new solar cell interface materials that will have greater stability towards moisture and air while retaining high efficiency. The project is also providing research opportunities for freshmen from the Clean Energy Alliances for Learning and Vision for Underrepresented Americans (ALVA) program and leveraging the research results for the outreach program of Introduce A Girl to Photonics Fair. The fundamental knowledge gained from these materials will make significant impacts on the fields of photovoltaics, optoelectronics and new semiconductor materials. The objective of this research project is to research new hole transport layer (HTL) materials to improve the performance and stability of perovskite solar cells by introducing internal dipoles and by manipulating the morphology of perovskite films. The new HTL materials utilize poly (3, 4-ethylenedioxythiophene) (PEDOT) as a hole transport backbone while different functional group side chains offer to form dipole that could modify the band energy alignment. By modifying the band energy alignment of the HTL structure and the morphology of the perovskite layers, it is hypothesized that an improvement in charge transport and collection as well as device stability will result. The PEDOT-based HTL materials are being synthesized and the electronic, optical and structural properties of HTL thin films fabricated at low temperatures are being investigated. The new PEDOT-based HTLs are being deployed in planar p-i-n structure perovskite solar cells and the device performance and stability are being tested. Organometal halide perovskites exhibit a broad range of band gap enabling the possibility to make highly efficient single-junction and tandem solar cells. This research project could transform photovoltaic technology and make it possible to commercialize perovskite-based photovoltaic technology with competitively low cost.

光伏（PV）技术是将可持续太阳能转化为电能的一种有前途的方法。为了进一步降低太阳能发电的成本，提高太阳能电池以及太阳能电池组件的效率变得更加重要，因为通过安装更少的组件就可以达到相同的功率目标。最近，有机金属卤化物钙钛矿作为一种有前景的光伏材料引起了广泛关注，因为其单结记录效率迅速提高至超过20%、其简单的器件结构以及在柔性基板上进行卷对卷低成本制造的可能性。然而，对于基于有机金属卤化物钙钛矿的太阳能电池来说，通过低温制造工艺实现高性能和长期的太阳能电池稳定性仍然具有挑战性。该研究项目旨在获得支持发现新型太阳能电池界面材料的基础知识，该材料将对水分和空气具有更高的稳定性，同时保持高效率。该项目还为清洁能源联盟为弱势美国人学习和愿景 (ALVA) 项目的新生提供研究机会，并将研究成果用于“向女孩介绍光子学博览会”的推广项目。从这些材料中获得的基础知识将对光伏、光电子和新型半导体材料领域产生重大影响。该研究项目的目的是研究新型空穴传输层（HTL）材料，通过引入内部偶极子和操纵钙钛矿薄膜的形貌来提高钙钛矿太阳能电池的性能和稳定性。新的HTL材料利用聚(3, 4-乙撑二氧噻吩) (PEDOT)作为空穴传输主链，而不同的官能团侧链可形成偶极子，从而改变能带能量的排列。通过改变 HTL 结构的能带能量排列和钙钛矿层的形态，推测将改善电荷传输和收集以及器件稳定性。基于PEDOT的HTL材料正在被合成，并且正在研究在低温下制造的HTL薄膜的电子、光学和结构特性。新型基于 PEDOT 的 HTL 正在应用于平面 p-i-n 结构钙钛矿太阳能电池中，并且正在测试器件的性能和稳定性。有机金属卤化物钙钛矿具有宽范围的带隙，使制造高效单结和串联太阳能电池成为可能。该研究项目可以改变光伏技术，并使基于钙钛矿的光伏技术以具有竞争力的低成本商业化成为可能。

项目成果

期刊论文数量（6）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

Revealing Stability of Inverted Planar MA-Free Perovskite Solar Cells and Electric Field-Induced Phase Instability

DOI：
10.1021/acs.jpcc.0c05357
发表时间：
2020-08
期刊：
Journal of Physical Chemistry C
影响因子：
3.7
作者：
Erjin Zheng;Zhiyin Niu;Gabriella A. Tosado;Haopeng Dong;Yaqoub Albrikan;Qiuming Yu
通讯作者：
Erjin Zheng;Zhiyin Niu;Gabriella A. Tosado;Haopeng Dong;Yaqoub Albrikan;Qiuming Yu

Chemical Polymerization of Hydroxymethyl and Chloromethyl Functionalized PEDOT:PSS

DOI：
10.1021/acsapm.9b00757
发表时间：
2019-10
期刊：
ACS Applied Polymer Materials
影响因子：
5
作者：
Erjin Zheng;Priyesh Jain;Haopeng Dong;Zhiyin Niu;Shin-Shi Chen;Shukun Zhong;Qiuming Yu
通讯作者：
Erjin Zheng;Priyesh Jain;Haopeng Dong;Zhiyin Niu;Shin-Shi Chen;Shukun Zhong;Qiuming Yu

Tuning cesium–guanidinium in formamidinium tin triiodide perovskites with an ethylenediammonium additive for efficient and stable lead-free perovskite solar cells

使用乙二胺添加剂调节甲脒三碘化锡钙钛矿中的铯-胍，以实现高效稳定的无铅钙钛矿太阳能电池