NANO LETTERS

DENG B, HSU PC, CHEN GC, CHANDRASHEKAR BN, LIAO L, AYITIMUDA Z, WU JX, GUO YF, LIN L, ZHOU Y, AISIJIANG M, XIE Q, CUI Y, LIU ZF, PENG HL

RSC ADVANCES

LU ZY, CHEN GC, HAO WB, SUN GX, LI ZJ