From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001 From: priyanka Date: Wed, 24 Jun 2015 15:03:17 +0530 Subject: initial commit / add all books --- 2792/CH11/EX11.5/Ex11_5.sce | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) create mode 100755 2792/CH11/EX11.5/Ex11_5.sce (limited to '2792/CH11/EX11.5') diff --git a/2792/CH11/EX11.5/Ex11_5.sce b/2792/CH11/EX11.5/Ex11_5.sce new file mode 100755 index 000000000..b060bb287 --- /dev/null +++ b/2792/CH11/EX11.5/Ex11_5.sce @@ -0,0 +1,33 @@ +clc +A= 1 +disp("A= "+string(A)+"cm^2") //initializing value of diode area +Na=5*10^17 +disp("Na = "+string(Na)+"cm^-3") //initializing value of p side doping +Nd=10^16 +disp("Nd = "+string(Nd)+"cm^-3") //initializing value of n side doping +Dn = 20 +disp("Dn= "+string(Dn)+"cm^2/s")//initializing value of electron diffusion coefficient +Dp = 10 +disp("Dp= "+string(Dp)+"cm^2/s")//initializing value of hole diffusion coefficient +Tn = 3*10^-7 +disp("Tn= "+string(Tn)+"s")//inializing value of electron minority carrier lifetime +Tp = 10^-7 +disp("Tp= "+string(Tp)+"s")//inializing value of hole minority carrier lifetime +kbT = 0.026 +disp("kbT = "+string(kbT)+"eV/K") //initializing value of kbT at 300K +IL = 25*10^-3 +disp("IL= "+string(IL)+"A")//initializing value of photocurrent +e = 1.6*10^-19 +disp("e= "+string(e)+"C")//initializing value of charge of electron +ni = 1.5*10^10 +disp("ni = "+string(ni)+"cm^-3") //initializing value of electron density of ionisation electron for silicon +Ln = sqrt(Dn*Tn) +disp("The electron diffusion length is ,Ln = sqrt(Dn*Tn)= "+string(Ln)+"cm")//calculation +Lp = sqrt(Dp*Tp) +disp("The hole diffusion length is ,Lp = sqrt(Dp*Tp)= "+string(Lp)+"cm")//calculation +Io = A*e*(ni)^2*((Dn/(Ln*Na))+(Dp/(Lp*Nd))) +disp("The saturation current is ,Io = A*e*(ni)^2*((Dn/(Ln*Na))+(Dp/(Lp*Nd)))= "+string(Io)+"A")//calculation +Voc= (kbT)*log(1+(IL/Io)) +disp("The open circuit voltage is ,Voc= (kbT)*log(1+(IL/Io))= "+string(Voc)+"V")//calculation + + -- cgit