I think you'd better google/wiki for this kind of question. Anyway, Tang used this compound for the milestone paper in OPV:

http://scitation.aip.org/content/aip/journal/apl/48/2/10.1063/1.96937

Another paper using CuPc in OFETs:

http://scitation.aip.org/content/aip/journal/jap/101/9/10.1063/1.2734077

Daer Shamjid,

I attache some topics of helpful articles. I think you will find answer of some questions by studying them.

Transport properties of copper phthalocyanine

based organic electronic devices, arXiv:1003.6094v1 [cond-mat.mes-hall] 31 Mar 2010.

Ultralong Copper Phthalocyanine Nanowires with New Crystal Structure and Broad Optical Absorption, ACSNANO, VOL. 4 ▪ NO. 7 ▪ 3921–3926 ▪ 2010.

Optical properties of metal phthalocyanines, J Mater Sci (2010) 45:4013–4020.

Electronic transport through electron-doped Metal-Phthalocyanine Materials, arXiv:cond-mat/0401036v3 [cond-mat.other] 14 Feb 2006.

Thank you very much Jaafar Jalilian. I hope this type help from you in next time

I agree with @Hung Phan. You can get extensive material if you search yourself in google.

Some recent articles

Journal of the Association of Arab Universities for Basic and Applied Sciences (2013) 13, 52–56

Sensors and Actuators B 190 (2014) 157–164

Organic Electronics 14 (2013) 1281–1290

Some recent reviews

Chem. Soc. Rev., 2013, 42, 4963

Chem. Soc. Rev., 2010, 39, 2577–2632

Chem. Soc. Rev., 2013,42, 8895-8999