Modeling of electrical transients in the semiconductor/electrolyte cell for photogeneration of charge carriers in the bulk

被引:21
作者
Schwarzburg, K [1 ]
Willig, F [1 ]
机构
[1] MAX PLANCK GESELL, FRITZ HABER INST, D-14195 BERLIN, GERMANY
关键词
PHOTOELECTROCHEMICAL CELLS; PHOTOCURRENT TRANSIENTS; SURFACE RECOMBINATION; ELECTRODES; INTERFACES; GAP;
D O I
10.1021/jp962726g
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Firstly, the time-dependent diffusion of minority carriers occurring in picosecond-nanosecond windows and, secondly, recombination losses occurring in microsecond-millisecond windows were modeled with differential equations. The latter were incorporated as properties of active sources that were embedded into an equivalent circuit that had been tested previously. The shape and magnitude of the electrical response created by illuminating the photo-electrochemical cell were measured in the external circuit and were fitted quantitatively to the minority carrier diffusion model and to the recombination loss model operative in the respective time windows.
引用
收藏
页码:2451 / 2458
页数:8
相关论文
共 25 条
[1]   THE PHOTO-ELECTROCHEMICAL KINETICS OF P-TYPE GAP [J].
ALBERY, WJ ;
BARTLETT, PN .
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, 1982, 129 (10) :2254-2261
[2]  
Bard A. J., 1980, ELECTROCHEMICAL METH
[3]   SURFACE STATES AND RECTIFICATION AT A METAL SEMI-CONDUCTOR CONTACT [J].
BARDEEN, J .
PHYSICAL REVIEW, 1947, 71 (10) :717-727
[4]   PICOSECOND TIME-RESOLVED MEASUREMENTS OF FAST RECOMBINATION LOSSES IN THE PHOTORESPONSE OF SEMICONDUCTOR LIQUID JUNCTION CELLS [J].
BITTERLING, K ;
WILLIG, F ;
DECKER, F .
JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1987, 228 (1-2) :29-44
[5]   CHARGE CARRIER DYNAMICS IN THE PICOSECOND TIME DOMAIN IN PHOTOELECTROCHEMICAL CELLS [J].
BITTERLING, K ;
WILLIG, F .
JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1986, 204 (1-2) :211-224
[6]   STIFF ODE SOLVERS - A REVIEW OF CURRENT AND COMING ATTRACTIONS [J].
BYRNE, GD ;
HINDMARSH, AC .
JOURNAL OF COMPUTATIONAL PHYSICS, 1987, 70 (01) :1-62
[7]   ALGORITHM 573 - NL2SOL - AN ADAPTIVE NON-LINEAR LEAST-SQUARES ALGORITHM [E4] [J].
DENNIS, JE ;
GAY, DM ;
WELSCH, RE .
ACM TRANSACTIONS ON MATHEMATICAL SOFTWARE, 1981, 7 (03) :369-383
[8]   DEPLETION-LAYER PHOTOEFFECTS IN SEMICONDUCTORS [J].
GARTNER, WW .
PHYSICAL REVIEW, 1959, 116 (01) :84-87
[9]  
Gerischer H., 1981, Photovoltaic and photoelectrochemical solar energy conversion, V69, P199
[10]   THE TIME-RESOLVED RESPONSE OF SEMICONDUCTOR-ELECTROLYTE INTERFACES TO SHORT PULSES OF ILLUMINATION [J].
GOTTESFELD, S .
BERICHTE DER BUNSEN-GESELLSCHAFT-PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 1987, 91 (04) :362-369