Combinatorial slot-die coating for high-throughput compositional screening of perovskite solar cells

薄膜 材料科学 钙钛矿(结构) 甲脒 卤化物 结晶 涂层 碘化物 化学工程 纳米技术 化学 有机化学 工程类
作者
Jinzhao Li,Oleksandra Shargaieva,Natalia Maticiuc,Ivo Žižak,Emil J. W. List‐Kratochvil,Eva Unger
出处
期刊:Research Square - Research Square
标识
DOI:10.21203/rs.3.rs-2800085/v1
摘要

Abstract We here present a generic methodology enabling the accelerated optimization of the composition and processes conditions for functional solution-processable materials compatible with later transfer of optimized conditions to scaled device manufacturing. In combinatorial slot-die coating, two or more precursor inks are fed with different rates into the slot-die enabling fast screening of the precursor solution composition on coating property in one experimental run, which can either be implemented as consecutive coatings with different compositions or as a continuous compositional gradient. As a first example, we here present combinatorially slot-die coated halide perovskite thin-films ranging from the precursor compositions of pure formamidinium lead iodide, FAPbI 3 , to methylammonium lead bromide, MAPbBr 3 . In this series, both the optical and morphological properties of the deposited thin-films change dramatically. An increasing faction of MAPbBr 3 resulted in larger optical bandgaps. At very high MAPbBr 3 ratios, differences in the thin-film crystallization kinetics due to the simultaneous change of the precursor solution solvent resulted in thin-films with low quality morphology. The spatial compositional homogeneity of the coated thin-films was characterized by grazing incidence wide angle X-ray scattering mapping. We fabricated inverted perovskite solar cells in the full compositional range and found a performance maximum for FAPbI 3 -richer devices with a MAPbBr 3 -content of 20 mol%. The performance maximum can be rationalized with the improved thermodynamic stability of the halide perovskite crystal structure due to a more ideal tolerance factor upon incorporation of the smaller methylammonium cation and bromide anion into the crystal structure. At high MAPbBr 3 -content, the device performance drops due to two effects: light-induced phase-segregation and a dramatically decreased thin-film morphology exhibiting pinholes. The example highlights the critical balance of precursor solution composition and processing conditions as the crystallization kinetics critically affect the resulting thin-film quality and morphology. This generic methodology can be further optimized and exploited to identify optimal precursor solution compositions and process conditions to achieve high-quality thin films with a target composition and sample morphology with high experimental throughput.
最长约 10秒,即可获得该文献文件

科研通智能强力驱动
Strongly Powered by AbleSci AI
更新
PDF的下载单位、IP信息已删除 (2025-6-4)

科研通是完全免费的文献互助平台,具备全网最快的应助速度,最高的求助完成率。 对每一个文献求助,科研通都将尽心尽力,给求助人一个满意的交代。
实时播报
AliceWong完成签到,获得积分10
1秒前
十一完成签到,获得积分20
2秒前
ljw完成签到,获得积分10
2秒前
BCEMTZ完成签到,获得积分10
3秒前
等待的鱼完成签到,获得积分10
3秒前
djdh完成签到 ,获得积分10
3秒前
木四点发布了新的文献求助10
4秒前
4秒前
JrPaleo101完成签到,获得积分10
5秒前
kingwhitewing完成签到,获得积分10
5秒前
郑文涛发布了新的文献求助10
6秒前
redflower完成签到,获得积分10
6秒前
伊利丹完成签到,获得积分10
6秒前
MabelKKKK完成签到,获得积分10
6秒前
罚克由尔完成签到,获得积分10
6秒前
我是微风完成签到,获得积分10
6秒前
成就的鹏笑完成签到,获得积分10
6秒前
斯文败类应助甲乙丙丁采纳,获得10
7秒前
迷人的天抒应助123采纳,获得30
7秒前
夏天发布了新的文献求助10
7秒前
谜记完成签到,获得积分10
7秒前
企鹅完成签到,获得积分10
7秒前
guosheng完成签到,获得积分10
8秒前
糕手完成签到,获得积分10
8秒前
9秒前
uon发布了新的文献求助10
9秒前
南宫映榕完成签到,获得积分10
9秒前
寂寞的朋友完成签到,获得积分10
9秒前
chenqingyu发布了新的文献求助10
9秒前
9秒前
默默尔安发布了新的文献求助10
10秒前
ID27149完成签到,获得积分10
11秒前
wy.he应助none采纳,获得10
11秒前
搜集达人应助1028181661采纳,获得10
11秒前
墨墨叻完成签到,获得积分10
11秒前
FashionBoy应助豆腐kkkkk采纳,获得10
11秒前
苏杉杉发布了新的文献求助10
11秒前
12秒前
研友_851KE8完成签到,获得积分10
12秒前
炙热的灵薇完成签到,获得积分10
12秒前
高分求助中
A new approach to the extrapolation of accelerated life test data 1000
Cognitive Neuroscience: The Biology of the Mind 1000
Technical Brochure TB 814: LPIT applications in HV gas insulated switchgear 1000
Immigrant Incorporation in East Asian Democracies 600
Nucleophilic substitution in azasydnone-modified dinitroanisoles 500
不知道标题是什么 500
A Preliminary Study on Correlation Between Independent Components of Facial Thermal Images and Subjective Assessment of Chronic Stress 500
热门求助领域 (近24小时)
化学 材料科学 医学 生物 工程类 有机化学 生物化学 物理 内科学 纳米技术 计算机科学 化学工程 复合材料 遗传学 基因 物理化学 催化作用 冶金 细胞生物学 免疫学
热门帖子
关注 科研通微信公众号,转发送积分 3968719
求助须知:如何正确求助?哪些是违规求助? 3513608
关于积分的说明 11168681
捐赠科研通 3248960
什么是DOI,文献DOI怎么找? 1794573
邀请新用户注册赠送积分活动 875194
科研通“疑难数据库(出版商)”最低求助积分说明 804716