Photovoltaic cell

Details Photovoltaic cell Photovoltaic cell

1996-09-11

1999-03-23

Nguyen, Nam

Batteries: thermoelectric and photoelectric

Photoelectric

Cells

136255, 429111, 257 40, 257 43, H01L 310256

Patent

active

058853685

ABSTRACT:
A photovoltaic cell having a charge transport layer comprising a hole conductor material is disclosed and claimed. The photovoltaic cell comprising a light absorbing layer having a semiconductor material with a bassed gap of at least 3.0 Ev, the surface of the semiconductor having a roughness of >20, optionally a sensitizer layer, a charge transport layer comprising one or more spiro compounds of the formula (I) as a hole conductor material ##STR1## where .PSI. is C, Si, Ge or Sn, and

REFERENCES:
patent: 4212932 (1980-07-01), Calgari et al.
patent: 5026894 (1991-06-01), Tour et al.
patent: 5536588 (1996-07-01), Naito
Database WPI, Section Ch. Week 9423, Derwent Publications Ltd., London, GB; AN-186208.
Chem. Rev. 1995, vol. 95, pp. 49-68 entitled "Light-Indusced Redox Reactions in nanocrystalline Systems" by Hagfeldt et al.
Chemie in Unserer Zeit pp. 94-95, vol. 2 (1995).
Physik in unserer Zeit, 1990, vol. 6, p. 237 ff.

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