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    Temperature-Induced Lattice Relaxation of Perovskite Crystal Enhances Optoelectronic Properties and Solar Cell Performance

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    Type
    Article
    Authors
    Banavoth, Murali cc
    Yengel, Emre cc
    Peng, Wei cc
    Chen, Zhijie cc
    Alias, Mohd Sharizal cc
    Alarousu, Erkki
    Ooi, Boon S. cc
    Burlakov, Victor
    Goriely, Alain cc
    Eddaoudi, Mohamed cc
    Bakr, Osman cc
    Mohammed, Omar F. cc
    KAUST Department
    Advanced Membranes and Porous Materials Research Center
    Chemical Science Program
    Computer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
    Electrical Engineering Program
    Functional Materials Design, Discovery and Development (FMD3)
    Functional Nanomaterials Lab (FuNL)
    KAUST Catalysis Center (KCC)
    KAUST Solar Center (KSC)
    Material Science and Engineering Program
    Photonics Laboratory
    Physical Science and Engineering (PSE) Division
    Ultrafast Laser Spectroscopy and Four-dimensional Electron Imaging Research Group
    Date
    2016-12-16
    Online Publication Date
    2016-12-16
    Print Publication Date
    2017-01-05
    Permanent link to this record
    http://hdl.handle.net/10754/622777
    
    Metadata
    Show full item record
    Abstract
    Hybrid organic-inorganic perovskite crystals have recently become one of the most important classes of photoactive materials in the solar cell and optoelectronic communities. Albeit improvements have focused on state-of-the-art technology including various fabrication methods, device architectures, and surface passivation, progress is yet to be made in understanding the actual operational temperature on the electronic properties and the device performances. Therefore, the substantial effect of temperature on the optoelectronic properties, charge separation, charge recombination dynamics, and photoconversion efficiency are explored. The results clearly demonstrated a significant enhancement in the carrier mobility, photocurrent, charge carrier lifetime, and solar cell performance in the 60 ± 5 °C temperature range. In this temperature range, perovskite crystal exhibits a highly symmetrical relaxed cubic structure with well-aligned domains that are perpendicular to a principal axis, thereby remarkably improving the device operation. This finding provides a new key variable component and paves the way toward using perovskite crystals in highly efficient photovoltaic cells.
    Citation
    Murali B, Yengel E, Peng W, Chen Z, Alias MS, et al. (2017) Temperature-Induced Lattice Relaxation of Perovskite Crystal Enhances Optoelectronic Properties and Solar Cell Performance. The Journal of Physical Chemistry Letters 8: 137–143. Available: http://dx.doi.org/10.1021/acs.jpclett.6b02684.
    Sponsors
    King Abdullah University of Science and Technology (KAUST) supported the reported work. We also acknowledge the financial support from King Abdulaziz City for Science and Technology (KACST), Grant No. KACST TIC R2-FP-008.
    Publisher
    American Chemical Society (ACS)
    Journal
    The Journal of Physical Chemistry Letters
    DOI
    10.1021/acs.jpclett.6b02684
    Additional Links
    http://pubs.acs.org/doi/full/10.1021/acs.jpclett.6b02684
    ae974a485f413a2113503eed53cd6c53
    10.1021/acs.jpclett.6b02684
    Scopus Count
    Collections
    Articles; Advanced Membranes and Porous Materials Research Center; Physical Science and Engineering (PSE) Division; Functional Materials Design, Discovery and Development (FMD3); Electrical and Computer Engineering Program; Chemical Science Program; Material Science and Engineering Program; Photonics Laboratory; KAUST Catalysis Center (KCC); KAUST Solar Center (KSC); Computer, Electrical and Mathematical Science and Engineering (CEMSE) Division

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