The Importance of Governance Efficiency in Environmental Policy  Research in Energy Shortage Period

Zheng, Zeyuan; Zhang, Shujian

doi:10.30564/jsbe.v5i4.25

Cited by 2 publications

(1 citation statement)

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“…A large part of the scientific community is currently looking to develop new alternative sources of renewable energy that would help in meeting the world's future, massive energy needs [1,2]. In this direction, perovskites are highly researched materials [3], as their optimized microstructures can display astonishing optoelectronic properties such as long exciton diffusion lengths, high absorption coefficients, good transport of charges, high charge mobilities, high photoluminescence (PL) quantum yield, high defect tolerance, narrow emission linewidths [4][5][6][7][8][9][10][11] and more (details on the investigation and characterization of the optoelectronic properties of perovskite materials can be further consulted in a variety of comprehensive studies reported in the literature [12][13][14][15][16]).…”

Section: Introductionmentioning

confidence: 99%

Generation of Hybrid Lead Halide CH3NH3PbI3-xClx Perovskite Crystals via Convective Self-Assembly

et al. 2023

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In this study, we have employed a film deposition technique based on convective forces acting at the triple air–solution–substrate contact line to tune the rate of solvent evaporation and, thus, to exert control over the morphology of the resulting mixed lead halide perovskite CH3NH3PbI3-xClx films. By varying the speed of film deposition while processing at two different temperatures, perovskite crystals of various shapes and dimensions were generated upon the crystallization of the initial perovskite precursor ink. More precisely, longer than half a millimeter 3D needle-like perovskite crystals exhibiting sharp edges co-existing with large cross-like 3D perovskite crystals could only be obtained upon the slow deposition of films at a low sample processing temperature of 17 °C, i.e., under conditions of low solvent evaporation rate. On the contrary, the utilization of higher film deposition speeds and/or processing temperatures led to smaller 3D needle-like or quasi-2D rectangular perovskite crystals that often appeared interconnected and coalesced. Moreover, as it was revealed by the photoluminescence measurements, the emission intensity of perovskite crystals was larger and dominated by a shorter wavelength peak, as compared to the uncrystallized material that emitted much less light, but at a longer wavelength.

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Section: Introductionmentioning

confidence: 99%

Generation of Hybrid Lead Halide CH3NH3PbI3-xClx Perovskite Crystals via Convective Self-Assembly

et al. 2023

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Variations in green investment efficiency of enterprises under different low-carbon emission reduction strategies

2024

Energy Inform

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The Importance of Governance Efficiency in Environmental Policy Research in Energy Shortage Period

Cited by 2 publications

References 9 publications

Generation of Hybrid Lead Halide CH3NH3PbI3-xClx Perovskite Crystals via Convective Self-Assembly

Generation of Hybrid Lead Halide CH3NH3PbI3-xClx Perovskite Crystals via Convective Self-Assembly

Variations in green investment efficiency of enterprises under different low-carbon emission reduction strategies

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