RT journal article
T1 Self-Assembly of CsPbBr3Perovskites in Micropatterned Polymeric Surfaces: Toward Luminescent Materials with Self-Cleaning Properties
A1 Sanz de León, Alberto
A1 Mata Fernández, María de la
A1 Sanchez-Alarcon, Ivan R.
A1 Abargues, Rafael
A1 Molina Rubio, Sergio Ignacio
A2 Ciencia de los Materiales e Ingeniería Metalúrgica y Química Inorgánica
K1 breath figures
K1 metal halide perovskites
K1 self-cleaning surfaces
K1 photoluminescence
K1 micropatterning
AB In this work, we present a series of porous, honeycomb-patterned polymer films containing CsPbBr3 perovskite nanocrystals as light emitters prepared by the breath figure approach. Microscopy analysis of the topography and composition of the material evidence that the CsPbBr3 nanocrystals are homogeneously distributed within the polymer matrix but preferably confined inside the pores due to the fabrication process. The optical properties of the CsPbBr3 nanocrystals remain unaltered after the film formation, proving that they are stable inside the polystyrene matrix, which protects them from degradation by environmental factors. Moreover, these surfaces present highly hydrophobic behavior due to their high porosity and defined micropatterning, which is in agreement with the Cassie-Baxter model. This is evidenced by performing a proof-of-concept coating on top of 3D-printed LED lenses, conferring the material with self-cleaning properties, while the CsPbBr3 nanocrystals embedded inside the polymeric matrix maintain their luminescent behavior.
PB AMER CHEMICAL SOC
SN 1944-8252
YR 2022
FD 2022-05
LK http://hdl.handle.net/10498/26884
UL http://hdl.handle.net/10498/26884
LA eng
NO This work was funded by the Ministry of Science, Innovationand Universities (project TEC2017-86102-C2-2-R) and Juntade Andalucía (Research group INNANOMAT, ref. TEP-946)and co-financed by the 2014-2020 ERDF OperationalProgramme and by the Department of Economy, Knowledge,Business and University of the Regional Government ofAndalusia (ref: FEDER-UCA18-106586). Co-funding fromUE is also acknowledged. A.S.d.L. acknowledges the Ministryof Science, Innovation and Universities for his Juan de la CiervaIncorporación postdoctoral fellowship (IJC2019-041128-I).R.A. also acknowledges the support of the Spanish MINECOthrough projects: Retos-Colaboración 2016 Project Safetag (no.RTC-2016-5197-2) and Retos de la Sociedad Project Nirvana(no. PID2020-119628RB-C31) by MCIN/AEI/10.13039/501100011033 and the “Agencia Valenciana de la Innovació”for the Valorització 2018 Project Hidronio (no. INNVAL10/18/032) and Valorització 2021 Project CATIOX (no.INNVA1/2021/56). R.A. also thanks the Spanish MINECOfor their Ramón y Cajal Fellowship (no. RYC-2015-18349).SEM and TEM measurements were carried out at the DME-SCICyT-ELECMI-UCA.
DS Repositorio Institucional de la Universidad de Cádiz
RD 15-nov-2026