It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that your raising of the hands is an innovation; the Prophet (peace and blessings be upon him) did not extend his hands beyond his chest.
Hadith Referenceمسند احمد / مسند المكثرين من الصحابة / 5264
Hadith Gradingحکم دارالسلام:إسناده ضعيف ، بشر بن حرب الأزدي ضعفه ابن معين و أبو زرعة و النسائي و أبو حاتم .