Some Observations from the Scrutiny of Different Methods used for Iris Recognition

Pathak, Shreyas

doi:10.9790/2834-09115053

Cited by 1 publication

(1 citation statement)

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“…‘Third generation’ PV technologies have been developed to pursue high power conversion efficiency (PCE) and low cost, these include light-condensed cells, organic PVs (OPVs), dye-sensitized solar cells (DSSCs), organic–inorganic hybrid solar cells, and so on. The large flexibility in the shape, color and transparency of third generation solar cells, particularly DSSCs, makes them one of the most promising technologies for photo-to-electricity conversion applications [4–8]. Currently, in the laboratory, DSSCs have reached 13% efficiency under standard reporting conditions [9], providing a credible alternative to the conventional p–n junction PV devices.…”

Section: Introductionmentioning

confidence: 99%

Recent progress in efficient hybrid lead halide perovskite solar cells

Cui

Yuan

et al. 2015

Science and Technology of Advanced Materials

104

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The efficiency of perovskite solar cells (PSCs) has been improved from 9.7 to 19.3%, with the highest value of 20.1% achieved in 2014. Such a high photovoltaic performance can be attributed to optically high absorption characteristics and balanced charge transport properties with long diffusion lengths of the hybrid lead halide perovskite materials. In this review, some fundamental details of hybrid lead iodide perovskite materials, various fabrication techniques and device structures are described, aiming for a better understanding of these materials and thus highly efficient PSC devices. In addition, some advantages and open issues are discussed here to outline the prospects and challenges of using perovskites in commercial photovoltaic devices.

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Section: Introductionmentioning

confidence: 99%