Is There Real Upconversion Photoluminescence from Graphene Quantum Dots?

Synthesis and photoluminescence of fluorinated graphene quantum dots

(2013) Qian Feng et al.   APPLIED PHYSICS LETTERS

Nonlinear Photoluminescence Imaging of Isotropic and Liquid Crystalline Dispersions of Graphene Oxide

(2012) Bohdan Senyuk et al.   ACS Nano

Upconversion and Downconversion Fluorescent Graphene Quantum Dots: Ultrasonic Preparation and Photocatalysis

(2012) Shujuan Zhuo et al.   ACS Nano

Comment on “Upconversion and Downconversion Fluorescent Graphene Quantum Dots: Ultrasonic Preparation and Photocatalysis”

(2012) Dezhi Tan et al.   ACS Nano

Reply to “Comment on ‘Upconversion and Downconversion Fluorescent Graphene Quantum Dots: Ultrasonic Preparation and Photocatalysis’”

(2012) Mingwang Shao et al.   ACS Nano

Surface Chemistry Routes to Modulate the Photoluminescence of Graphene Quantum Dots: From Fluorescence Mechanism to Up-Conversion Bioimaging Applications

(2012) Shoujun Zhu et al.   ADVANCED FUNCTIONAL MATERIALS

Tunable Photoluminescence from Graphene Oxide

(2012) Chih-Tao Chien et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Observation of Multiphoton-Induced Fluorescence from Graphene Oxide Nanoparticles and Applications in In Vivo Functional Bioimaging

(2012) Jun Qian et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Synthesis and upconversion luminescence of N-doped graphene quantum dots

(2012) Ming Li et al.   APPLIED PHYSICS LETTERS

One-pot green synthesis of optically pH-sensitive carbon dots with upconversion luminescence

(2012) Xiaofang Jia et al.   Nanoscale

Graphene quantum dots with controllable surface oxidation, tunable fluorescence and up-conversion emission

(2012) Shoujun Zhu et al.   RSC Advances

Temperature-dependent photoluminescence properties of porous silicon nanowire arrays

(2011)   APPLIED PHYSICS LETTERS

Mn2+-Bonded Reduced Graphene Oxide with Strong Radiative Recombination in Broad Visible Range Caused by Resonant Energy Transfer

(2011) Z. X. Gan et al.   NANO LETTERS

Water-Soluble Fluorescent Carbon Quantum Dots and Photocatalyst Design

(2010) Haitao Li et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Facile preparation and upconversion luminescence of graphene quantum dots

(2010) Jianhua Shen et al.   CHEMICAL COMMUNICATIONS

Hydrothermal Route for Cutting Graphene Sheets into Blue-Luminescent Graphene Quantum Dots

(2009) Dengyu Pan et al.   ADVANCED MATERIALS

Blue Photoluminescence from Chemically Derived Graphene Oxide

(2009) Goki Eda et al.   ADVANCED MATERIALS

Long luminescence lifetime in self-assembled InGaAs/GaAs quantum dots at room temperature

(2008) Zhangcheng Xu et al.   APPLIED PHYSICS LETTERS

Upconversion-induced fluorescence in multicomponent systems: Steady-state excitation power threshold

(2008) A. Monguzzi et al.   PHYSICAL REVIEW B