A Sustainable Approach Using Nanocrystals Functionalized Green Alkanes as Efficient Antisolvents to Fabricate High-Quality Perovskite Films

Xiu, Jingwei1,2; Han, Bing3; Gao, Han1; Chen, Xihan1,4; Chen, Zhenhua5; Gong, Shaokuan4; Yan, Xianchang2,6,7; Tian, Wenming6,7; Zhang, Xusheng; Chen, Tian1; Feng, Xiyuan1; Chen, Guocong1,2; He, Dong1; Deng, Yonghong1; Jin, Shengye6,7; Slater, Peter Raymond2; He, Zhubing1,8

2023-04-01

10.1002/aenm.202300566

ADVANCED ENERGY MATERIALS   影响因子和分区

1614-6832

1614-6840

To address the toxicity concern of extensively used chlorobenzene (CB) and toluene antisolvents, it is urgent to explore green and more efficient antisolvents. In this work, a general and highly reproducible methodology of employing CsPbI3 nanocrystals (NCs) functionalized green alkanes with ultralow-polarity (Alkane/NCs) as antisolvents to fabricate high-quality perovskite films is reported. Compared with the CB processed, the perovskite films with much improved quality and high-orientation are achieved by the Alkane/NCs approach. NCs in the alkane antisolvents are proven to provide enough heterogeneous nuclei, solving effectively the discontinuous film problem encountered from using pure alkanes. Strikingly, the lattice anchoring effect of NCs accounts for the high-orientation growth of the perovskite films as revealed directly by cryo-electron microscopy (cryo-EM). Moreover, the phase segregation that easily occur in the CB processed perovskite film is successfully suppressed by the Alkane/NCs method. The optimal device conversion efficiency is enhanced from 21.59% to 23.10% from CB to octane (OCT)/NCs. Impressively, the alkane/NCs processed perovskite films and their devices exhibit much improved stability over CB, with the conversion efficiency remaining at 94% of its initial value after 500 h light soaking for OCT/NCs device, while the CB device fails at around 100 h.

antisolvents solar cells nanocrystals sustainability

SCI ; EI

英语

第一 ; 通讯

National Natural Science Foundation of China (NSFC)["U2001216","52273266"] ; Shenzhen Key Laboratory Project[ZDSYS201602261933302]

Chemistry ; Energy & Fuels ; Materials Science ; Physics

Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter

WOS:000973939100001

WILEY-V C H VERLAG GMBH

20231714026242

Conversion efficiency ; Electron microscopes ; Fabrication ; Lead compounds ; Nanocrystals ; Perovskite ; Perovskite solar cells

Minerals:482.2 ; Energy Conversion Issues:525.5 ; Solar Cells:702.3 ; Nanotechnology:761 ; Crystalline Solids:933.1

Web of Science

1.Southern Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen Key Lab Full Spectral Solar Elect Generat, 1088 Xueyuan Rd, Shenzhen 518055, Guangdong, Peoples R China
2.Univ Birmingham, Sch Chem, Birmingham B15 2TT, England
3.Univ Calif San Diego, Dept Nano Engn, La Jolla, CA 92093 USA
4.Southern Univ Sci & Technol, SUSTech Energy Inst Carbon Neutral, Dept Mech & Energy Engn, 1088 Xueyuan Rd, Shenzhen 518055, Guangdong, Peoples R China
5.Chinese Acad Sci, Shanghai Adv Res Inst, Shanghai Synchrotron Facil, Shanghai 201204, Peoples R China
6.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
7.Chinese Acad Sci, Dalian Inst Chem Phys, Dynam Res Ctr Energy & Environm Mat, Dalian 116023, Peoples R China
8.Southern Univ Sci & Technol, Inst Innovat Mat I2M, 1088 Xueyuan Rd, Shenzhen 518055, Guangdong, Peoples R China

Xiu, Jingwei,Han, Bing,Gao, Han,et al. A Sustainable Approach Using Nanocrystals Functionalized Green Alkanes as Efficient Antisolvents to Fabricate High-Quality Perovskite Films[J]. ADVANCED ENERGY MATERIALS,2023,13(28).

Xiu, Jingwei.,Han, Bing.,Gao, Han.,Chen, Xihan.,Chen, Zhenhua.,...&He, Zhubing.(2023).A Sustainable Approach Using Nanocrystals Functionalized Green Alkanes as Efficient Antisolvents to Fabricate High-Quality Perovskite Films.ADVANCED ENERGY MATERIALS,13(28).

Xiu, Jingwei,et al."A Sustainable Approach Using Nanocrystals Functionalized Green Alkanes as Efficient Antisolvents to Fabricate High-Quality Perovskite Films".ADVANCED ENERGY MATERIALS 13.28(2023).