Photoconduction in porous TiO[sub 2] sensitized by PbS quantum dots

Hoyer, P.; Konenkamp, R.
January 1995
Applied Physics Letters;1/16/1995, Vol. 66 Issue 3, p349
Academic Journal
Reports photoconduction in heterogenous thin films with porous nanocrystalline titanium oxide matrix and adsorbed quantum size lead sulphide clusters. Demonstration of novel effects in luminescence, absorption and electronic transport; Indication of photoelectric sensitization of lead sulphide; Improvement of photoresponse.


Related Articles

  • The Effect of Ga Doping on the Physical Properties of Lead Sulphide Thin Films. Radhakrishnan, Reshmi; Rahman, Hiba; Dhanya, S.; Geethu, R.; Karim, Nafsia; Faseela, K.; Sreenivasan, P. V.; Pradeep, B.; Philip, Rachel Reena // AIP Conference Proceedings;10/20/2011, Vol. 1391 Issue 1, p755 

    Lead sulphide nanostructured thin films were grown on soda lime glass substrates by chemical bath deposition. The films were then doped with gallium using vacuum evaporation technique. Optical absorption studies in conjunction with photo sensitivity measurements indicated the suitability of the...

  • Photoconducting nanocrystalline lead sulphide thin films obtained by chemical bath deposition. Kotadiya, Naresh; Kothari, Anjana; Tiwari, Devendra; Chaudhuri, Tapas // Applied Physics A: Materials Science & Processing;Sep2012, Vol. 108 Issue 4, p819 

    A chemical bath deposition method of preparing photoconducting nanocrystalline lead sulphide (PbS) thin films at room temperature (RT) is described. The aqueous bath of lead acetate, thiourea, and ammonium hydroxide produce films of about 100 nm thicknesses in 45 minutes. X-ray diffraction (XRD)...

  • Growth and characterization of PbS deposited on ferroelectric ceramics. Pintilie, I.; Pentia, E.; Pintilie, L.; Petre, D.; Constantin, C.; Botila, T. // Journal of Applied Physics;8/1/1995, Vol. 78 Issue 3, p1713 

    Investigates the growth and properties of lead sulphide chemically deposited on bulk lead titano-zirconate ceramics. Use of scanning electron microscopy; Findings of the Hall measurements performed at room temperature for the thin films; Measurement of the dark resistance of the films on...

  • Electrodeposition of PbS multilayers on Ag(111) by ECALE. Fernandes, V. C.; Salvietti, E.; Loglio, F.; Lastraioli, E.; Innocenti, M.; Mascaro, L. H.; Foresti, M. L. // Journal of Applied Electrochemistry;Nov2009, Vol. 39 Issue 11, p2191 

    Lead sulfide (PbS) thin films were grown on a single crystal Ag(111) substrate by Electrochemical Atomic Layer Epitaxy (ECALE) method, i.e., by alternated underpotential deposition (UPD) of lead and sulfur. The electrochemical analysis includes the investigation of the underpotential deposition...

  • Microstructural and nonlinear optical properties of silica-titania sol-gel film doped with PbS... Martucci, A.; Fick, J. // Journal of Applied Physics;7/1/1999, Vol. 86 Issue 1, p79 

    Presents a study on the microstructural and nonlinear optical properties of thin silica-titania sol-gel films doped with different concentrations of lead-sulfide (PbS). Experimental procedure; Results and discussion; Conclusions.

  • Saturation of absorption by lead sulfide nanoparticles in the main absorption band region. Malyarevich, A. M. // Journal of Applied Spectroscopy;Mar2006, Vol. 73 Issue 2, p216 

    The spectral dependence of the degree of bleaching of glasses with PbS nanoparticles (average radius from 3 to 4 nm) has been studied in the main absorption band region. It has been established that the level of residual absorption in the bleached state decreases from 0.70 to 0.02 as we go from...

  • Preparation and Characterization of the Lead Sulfide Nanostructured Thin Film. Ghamsari, M. Sasani; Radiman, S.; Yarmo, M. Ambar; Hamid, M. A. A.; Bananej, A. // AIP Conference Proceedings;5/20/2008, Vol. 1017 Issue 1, p184 

    lead sulfide nanostructured thin film was prepared from colloidal lead sulfide nanoparticles with natural deposition technique. The size of PbS nanoparticles has been determined in the base of optical absorption spectrum. The influence of preparation method on the film surface morphology was...

  • Realization of PbS thin films by reactive evaporation technique for possible opto-electronic applications. Abhilash, A.; Aparna S.; Nair; Rajasree, S.; Rahman, E. Hiba; Pradeep, B. // AIP Conference Proceedings;2015, Vol. 1665, p1 

    Stoichiometric Lead sulphide (PbS) thin films were successfully prepared on glass substrates by reactive evaporation technique. Elemental evaporation of lead and sulphur taken in different sources onto substrates held at temperature of 400±5K employed in the present study. The structural as...

  • Optical properties of PbS thin films. Akhmedov, O.; Guseinaliyev, M.; Abdullaev, N.; Babaev, S.; Kasumov, N. // Semiconductors;Jan2016, Vol. 50 Issue 1, p50 

    The complex dielectric function of PbS thin films is studied by spectroscopic ellipsometry in the spectral range from 0.74 to 6.45 eV at a temperature of 293 K. The critical energies are determined to be E = 3.53 eV and E = 4.57 eV. For both energy regions, the best fit is attained at the...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics