The effect of air exposure on the photocurrent in a conjugated platinum poly-yne

被引:30
作者
Chawdhury, N
Younus, M
Raithby, PR
Lewis, J
Friend, RH
机构
[1] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
[2] Univ Cambridge, Chem Lab, Cambridge CB2 1EW, England
[3] Univ London Imperial Coll Sci Technol & Med, Dept Chem, London SW7 2AY, England
关键词
D O I
10.1016/S0925-3467(97)00115-8
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We present photocurrent spectra. of an ITO/Pt-poly-yne/Al photocell under vacuum after annealing and also after exposure to air. We find that air enhances exciton dissociation. Wt also Find that a low energy photocurrent tail appears after exposure of the cell to air. Thr enhancement of the photovoltaic response to air is found to be reversible after annealing under vacuum, (C) 1998 Elsevier Science B.V.
引用
收藏
页码:498 / 501
页数:4
相关论文
共 16 条
[1]   Spatial extent of the singlet and triplet excitons in transition metal-containing poly-ynes [J].
Beljonne, D ;
Wittmann, HF ;
Kohler, A ;
Graham, S ;
Younus, M ;
Lewis, J ;
Raithby, PR ;
Khan, MS ;
Friend, RH ;
Bredas, JL .
JOURNAL OF CHEMICAL PHYSICS, 1996, 105 (09) :3868-3877
[2]  
CHAWDHURY N, IN PRESS
[3]   Electric field-induced photoluminescence quenching in molecularly doped polymer light-emitting diodes [J].
Deussen, M ;
Bolivar, PH ;
Wegmann, G ;
Kurz, H ;
Bassler, H .
CHEMICAL PHYSICS, 1996, 207 (01) :147-157
[4]   EFFICIENT PHOTODIODES FROM INTERPENETRATING POLYMER NETWORKS [J].
HALLS, JJM ;
WALSH, CA ;
GREENHAM, NC ;
MARSEGLIA, EA ;
FRIEND, RH ;
MORATTI, SC ;
HOLMES, AB .
NATURE, 1995, 376 (6540) :498-500
[5]   Analysis of the photocurrent action spectra of MEH-PPV polymer photodiodes [J].
Harrison, MG ;
Gruner, J ;
Spencer, GCW .
PHYSICAL REVIEW B, 1997, 55 (12) :7831-7849
[6]   CHARACTERIZATION OF LIGHT-EMITTING-DIODES AND SOLAR-CELLS BASED ON POLY-PHENYLENE-VINYLENE [J].
KARG, S ;
RIESS, W ;
MEIER, M ;
SCHWOERER, M .
SYNTHETIC METALS, 1993, 57 (01) :4186-4191
[7]   THE PHOTOVOLTAIC EFFECT IN A PLATINUM POLY-YNE [J].
KOHLER, A ;
WITTMANN, HF ;
FRIEND, RH ;
KHAN, MS ;
LEWIS, J .
SYNTHETIC METALS, 1994, 67 (1-3) :245-249
[8]   Enhanced photocurrent response in photocells made with platinum-poly-yne/C-60 blends by photoinduced electron transfer [J].
Kohler, A ;
Wittmann, HF ;
Friend, RH ;
Khan, MS ;
Lewis, J .
SYNTHETIC METALS, 1996, 77 (1-3) :147-150
[9]  
LHOST O, 1993, SYNTHETIC MET, V55, P4525
[10]   THE PHOTOVOLTAIC RESPONSE IN POLY(P-PHENYLENE VINYLENE) THIN-FILM DEVICES [J].
MARKS, RN ;
HALLS, JJM ;
BRADLEY, DDC ;
FRIEND, RH ;
HOLMES, AB .
JOURNAL OF PHYSICS-CONDENSED MATTER, 1994, 6 (07) :1379-1394