Imperial College London

DrSaifHaque

Faculty of Natural SciencesDepartment of Chemistry

Reader in Materials Chemistry
 
 
 
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Contact

 

+44 (0)20 7594 1886s.a.haque

 
 
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Location

 

164bChemistrySouth Kensington Campus

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Summary

 

Publications

Publication Type
Year
to

131 results found

Tachibana Y, Haque SA, Mercer IP, Moser JE, Klug DR, Durrant JRet al., 2001, Modulation of the rate of electron injection in dye-sensitized nanocrystalline TiO2 films by externally applied bias, JOURNAL OF PHYSICAL CHEMISTRY B, Vol: 105, Pages: 7424-7431, ISSN: 1089-5647

JOURNAL ARTICLE

Biswas AM, Haque SA, Lutz T, Montanari I, Olson C, Willis RL, Durrant JR, Nelson Jet al., 2000, Charge recombination and transport in dye sensitized TiO2 photovoltaic devices, 28th Conference Record of the IEEE Photovoltaic Specialists Conference (2000), Pages: 796-801

CONFERENCE PAPER

Haque SA, Tachibana Y, Willis RL, Moser JE, Gratzel M, Klug DR, Durrant JRet al., 2000, Parameters influencing charge recombination kinetics in dye- sensitized nanocrystalline titanium dioxide films, Journal of Physical Chemistry B, Vol: 104, Pages: 538-547, ISSN: 1089-5647

JOURNAL ARTICLE

Haque SA, Tachibana Y, Willis RL, Moser JE, Gratzel M, Klug DR, Durrant JRet al., 2000, Parameters influencing charge recombination kinetics in dye- sensitized nanocrystalline titanium dioxide films, Journal of Physical Chemistry B, Vol: 104, Pages: 538-547, ISSN: 1089-5647

JOURNAL ARTICLE

Tachibana Y, Haque SA, Mercer IP, Durrant JR, Klug DRet al., 2000, Electron injection and recombination in dye sensitized nanocrystalline titanium dioxide films: A comparison of ruthenium bipyridyl and porphyrin sensitizer dyes, Journal of Physical Chemistry B, Vol: 104, Pages: 1198-1205, ISSN: 1089-5647

JOURNAL ARTICLE

Tachibana Y, Haque SA, Willis RL, Mercer IP, Moser JE, Klug DR, Durrant JRet al., 2000, Modulation of the rate of electron injection in dye sensitised nanocrystalline TiO2 films by electrolyte control of the semiconductor conduction band energetics, Journal of Physical Chemistry B, ISSN: 1089-5647

JOURNAL ARTICLE

Bach U, Tachibana Y, Moser JE, Haque SA, Durrant JR, Gratzel M, Klug DRet al., 1999, Charge separation in solid-state dye-sensitized heterojunction solar cells, Journal of the American Chemical Society, Vol: 121, Pages: 7445-7446, ISSN: 0002-7863

JOURNAL ARTICLE

Haque SA, Tachibana Y, Klug DR, Durrant JRet al., 1998, Charge recombination kinetics in dye-sensitized nanocrystalline titanium dioxide films under externally applied bias, Journal of Physical Chemistry B, Vol: 102, Pages: 1745-1749, ISSN: 1089-5647

JOURNAL ARTICLE

Haque SA, Tachibana Y, Klug DR, Durrant JRet al., 1998, Charge recombination kinetics in dye-sensitized nanocrystalline titanium dioxide films under externally applied bias, Journal of Physical Chemistry B, Vol: 102, Pages: 1745-1749, ISSN: 1089-5647

JOURNAL ARTICLE

Durrant JR, Tachibana Y, Haque SA, Klug DR, Moser JE, Gratzel Met al., 1997, Interfacial electron transfer in dye sensitized TiO2 photoelectrochemical solar cells, Photoelectrochemistry, Publisher: Electrochemical Society, Pages: 120-125

CONFERENCE PAPER

Westbrook RJE, Haque S, Sanchez-Molina I, Marin-Beloqui JM, Bronstein Het al., The Effect of Interfacial Energetics on Charge Transfer from Lead Halide Perovskite to Organic Hole Conductors, Journal of Physical Chemistry C, ISSN: 1932-7447

The control and optimization of interfacial charge transfer processes is crucial to the design of efficient perovskite solar cells. Herein, we measure the yield and kinetics of hole transfer across the methylammonium lead triiodide perovskite|polymeric hole transport material heterojunction, as a function of the interfacial energy offset, ∆E between the highest occupied molecular orbital of the hole transport material and the valence band of the perovskite. A combination of steady-state and time-resolved photoluminescence, along with transient absorption spectroscopy revealed that only a small driving energy (∆E~0.07eV) is required to induce highly efficient hole transfer. The findings of this paper suggest that further improvements in the open-circuit voltage, and so the power conversion efficiency, of perovskite solar cells could be achieved by incorporating hole transport materials that provide an interfacial energy offset in the range 0 < ∆E < 0.18eV.

JOURNAL ARTICLE

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