Highly ordered photoluminescent self-assembled films based on polyoxotungstoeuropate complex Na9[EuW10O36] - Feng, Wei.; Li, Tie Jin.; Liu, Xin Li.; Lu, Ran.; Xue, Peng Chong.; Yao, Jian Nian.; Zhang, Hong Yu.; Zhang, Tie Rui.; Zhao, Bing.; Zhao, Ying Ying.