1. INTRODUCTION
2. DATA DESCRIPTION AND SAMPLE CONSTRUCTION
2.1. Parent quasar samples
2.2. Herschel Data
2.3. Herschel-detected quasars
3. DUST EMISSION MODELING
3.1. SED ﬁtting using MBB model
3.2. SED ﬁtting using starburst templates
3.3. Dust mass and gas mass
4. RESULTS AND DISCUSSIONS
4.1. IR luminosity
4.2. Dust temperature
4.3. Relation between dust temperature and IR luminosity
4.4. Dust mass and gas mass
4.5. Fraction of IR-luminous quasars
4.6. Contribution to luminosity density
4.7. Two quasars with increasing FIR SEDs
5. CONCLUSION AND SUMMARY